Revision of the Tachinidae of America north of Mexico : a family of parasitic two-winged insects

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Title:
Revision of the Tachinidae of America north of Mexico : a family of parasitic two-winged insects
Series Title:
U.S. Dept. of Agriculture. Division of Entomology. Technical series ;
Physical Description:
156 pages : ; 23 cm.
Language:
English
Creator:
Coquillett, D. W ( Daniel William ), 1856-1911
Publisher:
Govt. Print. Off.
Place of Publication:
Washington
Publication Date:

Subjects

Subjects / Keywords:
Tachinidae   ( lcsh )
Diptera -- North America   ( lcsh )
Diptera   ( fast )
Tachinidae   ( fast )
North America   ( fast )
Genre:
federal government publication   ( marcgt )
non-fiction   ( marcgt )

Notes

General Note:
Originally issued with 154 p. A corrected index was issued in Dec. 1897.
Statement of Responsibility:
by D.W. Coquillett.

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
oclc - 05035557
lccn - agr09003099
ocm05035557
Classification:
lcc - QL537.T28 C6 1897
System ID:
AA00026348:00001

Full Text



Technical Series No. 7.

U. S. DEPARTMENT OF AGRICULTURE.

DIVISION OF ENTOMOLOGY.









REVISION OF THE TACHINIDE


OF



AMERICA NORTH OF MEXICO.


A



FAMILY OF PARASITIC TWO-WINGEI) INSECTS.


BY


D. W. COQUILLETT.


















WASHINGTON:
GOVERNMENT PRINTING OFFICE.
1897.



















LETTER OF TRANSMITTAL.



UNITED STATES DEPARTMENT OF AGRICIULTIRE,
DIVISION OF ENToMOLOGY,
lVashiugton, 1). C.. June 2, 19i.
SIR : I have the honor to submit for publication the seventh of the technical series of bulletins of this I)ivision. It has been prepared by Mr. D. W. Coquillett, of the office force, and consists of a revision of the species of the parasitic flies belonging to the family Tachinida, which occur in the United States and Canada. The desirability of such a revision of these economically important flies has been apparent to all workers in economic as well as systematic entomology fir many years. They are amojig the most important enemies of many of our most injurious insects, and their characters are so obscure that workers have had the greatest difficulty in separating one species from another, and the result is that the literature of economic entomology in particular contains manity wrong determinations and absolute misstatements based upon such erroneous names. 1)uring the last eighteen years many species of Tachlinide have been reared at this office from injurious insects which were being studied. It has been heretofore impossible to record the results of these rearings on account of the confusion which existed in this family, and in its original conception this study of the group was undertaken in order to enable us to record the results of this biologic work. The records are now iveln in the shape of two tables-onme of parasites and hosts and the other of hosts and parasites-and a glance at these tables will be instantly convincing as to the important and beneficial rt^e which these insects play. With the clear and systematic diagnoses of the genera and species which Mr. Coquillett has prepared, any economic entomologist should be able to determine just wlat species of Tachina flies are assisting him in his work against injurious insects.
Respectfully, L. 0. HOWARD,
i ntoinoloqis't.
Hon. JAMES WILSON,
Sccrctary of Agriculture.
3



































CONTENTS.
Pago.
N ature n d scope of the w ork ----------------------------------------------- 7
H abits of the fmiiiily -------------------------------------------------------- 7
Tachinid Ilies and their hosts -----------------------................... ------ 9
Parasites and their hosts ----------------------------------------------- 9
Hosts and their parasites ---------------------------------------------- 22
Classification -------------------------------------------------------------- 27
Terms used in describing rachinid ---------------------------------------- 29
Table of genera ------------------------------------------------------------ 30
Systematic irrangeiment of the genera --------------------------------------- 40
Synopses of the species ---------------------------------------------------- 42
Index to genera and species .....................................- ........... 149

















REVISION OF THE TACHINII). OF A:MERICA
NORTH OF MEXICO.



NATURE AND SCOPE OF THE WORK.

The present paper is the result of several years' study. and is based upon the large series of specimens contained in the National Museuin collection, mainly received from this office, supplIIelented by those inl my own and those received for study aid i(lentifi(ation from various correspondents, among whom may be mentioned: Mr. C. W. Johllsonl, Dr. Garry deN. Ilough, Mrs. A. T. Slossoin, D)r. W. A. Nason, Mr. Charles Robertsoin. Mr. Theodore Pergande, Mr. F. H. Chittenden, Prof. I. E. Wee(d, Mr. R. WV. D)oane, and L'Abb Bgin. The series in the National Museum collection is especially valuable, containing as it does a large numi)er of bred specimens, which. more than anything else, enables us to correctly judge of the extent to which the various specimens of the same species will vary among themselves. This collection also contains a duplicate set of a series of specimens sent to Brauer and Bergenstamm, of Vienna, Austria, ill exclange for a named series of Europ)ean forms, and the latter have been very valuable for comparison with our own genera and species. These authors returned names, principally generic, of the series sent to them, and in the following pages I have indicated these identifications as "in litt." MAr. C. II. T. Townsend kindly seit to the Museum cotypes of many of his new species, and Mr. Charles Robertson generously donated specimens from the same series as those from which Mr. Townsend described several of his new forms. The region covered by this paper includes all of this country north of Mexico, but does iot take in any of the West Indies. When the faunas of these two regions have been carefully compared with our own, many additional species will no doubt be foumd to inhabit two or even all of these regions.

HABITS OF THE FAMIILY.

Among the fifty odd families into which the D)iptera of this country have been divided, the Tachinida is by far the most beneficial, Iudged from the standpoint of an agriculturist. The oily other family that at all competes with it for this honor is the Syrphida,; but in this family







only a comparatively small number of genera are directly beneficial by preying upon plant-lice, and even in this respect their services could in most instances he dispensed with, since, as a general rule, the plantlice are held in check by the larvae of ladybirds assisted by several kinds of internal parasites belonging to the hymenopterous families Braconidae, (Cynipida,, and Chalcididale.
So far as at present known the Tachinid~e prey upon living insects only, and by far the greater number of these are the leaf-eating caterpillars of butterflies and moths, a group that contains a large number of our most injurious insects; and the numbers of these destroyed in a single season l)y these pa),rasites is almost beyond computation. Unlike the parasitic I lymenoptera, each species of which as a rule confines its attacks to a single group which in some cases is restricted to one genus, it not infrequently happens that the same species of Tachina fly attacks several different families of insects, while quite a number are known to attack two and even three different orders of in sects--Lepidoptera, I ymenioptera, and (' oleoptera. This has been observed not only in our own country but also in Europe.
At present, only live diflt rent orders of insects-the three above mentioned and the ()rthoptera and I lemipltera-are known to be attacked by the Tachinidae in this country, but in Europe several cases are reported of their also attacking Diptera of the family Tipulidae. The Lepidoptera, 1lymenoptera, and Diptera are preyed upon in their preparatory stages only, whereas it is usually only the adults of the Orthoptera, Ilemiptera. aind ('oleopl)tera that are attacked.
The tachinid eggs are attached by a viscid substance to the surface of the host, and the full-grown larvae usually (el iter the earth to pass through their transfirmatiois. Thel larv, are of the usual maggot form, large and truncated at one end and tampering to a point in the opposite direction. Pupation takes place in the hardened skin of the larva, which assumes a nearly eylindrical form with rounded ends, and is known as a puparium. In issuing, the adult fly breaks away the entire end of the pupariumn. It was formerly supposed that any caterpillar upon which one of these flies had fastened an egg was doomed to certain destruction, but actual observation has shown that this is not always the case. since in many instances the caterpillar, by molting or casting off its skin, rids itself of the egg before the latter has hatched out and the young larva made its way into the body of the caterpillar. In this respect the parasitism of these insects is not so certain as is the case with those hymenopterous parasites which puncture the body of their victim and deposit the egg within.
In regard to the possession and exercising of that faculty commonly termed instinct, the Tachina flies appear to be far behind the parasitic Hymenoptera. The latter seem to be able to ascertain by a touch of their antennme whether or not an insect has already been parasitized, and only rarely insert an egg in the body of an insect that already





9

contains an egg or larva of a parasite nor has one of them been known to consign a greater number of eggs to an insect than the number of larve which that insect can maintain. On the contrary, a Tachina fly has repeatedly been known to attach to a caterpillar three or four times as many eggs as the number of larvae the caterpillar can maintain. Owing to this act. a great many tachinid larve must necessarily perish for want of food, while several which have barely had a sufficient quantity to keel) them alive will be considerably dwarfed in size, as compared to their more fortunate brothers, and thus it will sometimes happl)en that some of the adult flies will be only one-half; and iii rare instances even only one-third, as long as others which were the progeny of the same parent. Certain systematic writers, who have had no experience in rearing these flies, lay great stress on a difference in size as indicative of a distinct species; but our b)recdinlg records have abundantly delnolistrated the fact that one specimen may be fully three times as lorig as an other a(nd yet both belong to one and the same species.
TACHINID FLIES AND THEIR IIHOSTS.
The following is a list of the Tachiiia flies that have been bred by this Division, together with the hosts from which they were bred. By ftr the greater lumber of these were reared in the departmentt insectary, in charge of Mr. Theo. Pergaii(lde. A few additional species, speciimens of which have been studied by the writer, are included in this list. Of the published re(.ords, only those are included where the flies have been bred from other hosts thanii those froimn which this l)ivisiou and its corresp)ondeiits have reared them; such species are indicated by asterisks (*) ini addition to the names of the persons who reared them and to the published references. A few of the breedifig records, which are evidently erroneous, are preceded by a mark of interrogation ( ).
The list is in two parts, arranged alphabetically:
I.-PIARASITES AND THEIR HOSTS.
Parasites. Ifost insects.
Acemyia dentata Coq ...........----------- Chortophaa viridifasciata DeG Bred by T. Pergande June 26, 1877, from an adult collected June 11 at St. Louis, Mo.
Admontia denmylus Walk-------........Lophyrus abhotii Leach. Issued June 24, 1882,
from a larva collected by E. A. Schwarz, in Maryland.
Laphyrus lecontei Fitch. Issued May 6, 1886, from a larva collected by T. Pergande in Virginia, October 19, 1885.
Admontia retiniv Coq ..........---------Retinia sp. Bred April 17, 1888, by A. Koebele,
Alameda, Cal., from a caterpillar found in a bud on 1inus insignis.
Amobia distincta Toun -------......... Acronycta dactylina (rote. Issued March 24, 1881,
from a caterpillar collected )by A. Koebele at IHolderness, N. II., September 26, 1883.






1(0

Apbria ocypterata Town -----Carneades inessoria Hlarr. Bred by C. V. Piper, Pullman, Wash.
Arcbytas an al is Fttbr--.--------Cli,-iocanipa Cal ilornica, Stretch. (Gillette, Trans.
I Amer. Ent. Soc., Vol. XXII, p. 70.)
Archytfts aterrima IDest --------- Acronycta occidentalis U. & R. Issued Augutst 13,
1883, from a chrysalis collected July 10 by A. Koebele in Virginia.
Acronyeta ovata Grote. Issuedl May 13, 1886, from a Cate rp illIa r received fronid. G. Barlow, Cadet. Mo. Cerura sp. Bred by 0. Lugger April 11, 1874, from a Caterpillar received from G. W. Letterman, October 12, 1873.
Lagoa crispata Paclk. Issued June 5, 1885, from a cocoon received October 22, 1884, from .J. M. Shaffer, Keokuk, Iowa. Another issued February 15, 1890, from a cocoon collected in Washington, 1). C., in September, 1889.
Belvosia bifasciata I'abr --------Citheronia, regalis J'abr. Issued .1uly 17, 1873, and June 24, 1881.
1)ryocampai riibicnnda I'ahr. Bred August 15, 1872, by 0. bigger, at St. Louis, Mo., from a, Caterpillar collected.Jifly 3.
Hemilenca, sp. Bred in 1889 by A. Koebele, froni a caiterpillar found at Lancaster, Cal. Belvosia ti asciata, Desi .......Leucan ia llfliJIct; Iftirr. Br-ed iii 1896 by M V.
SI inger i t Ithaca, N. Y. Bionivia -coi-g[i Rr~. J, Perq --- Calosomi;t calidut Fabr. Bred by A. F'. Burgess .June 28, 1896, fromt a beetle found .Junie 6 at Amhierst, MaIss.
( 'alosoina pere--grinator ("it' Bred by the writer .1J111 2,57 1888, at Los Angeles, Cal.; the tachinid pulma~' Nvere found in a dead beetle.Jutne 17. Blephaipezwa adiista 1,oeiv ...... Araemn is picta Pack.
'lisioc:it pa constricta, Stretch. Bred in .January anid Fbur, 189, by A. Koebele from caterpillars collected at St. Helena, ",~al. Clisiocampa thoracica Stretch.. tBred in 1890, by A. Koebele, frot Caterp~illars collected at Glen Ellen, Cal.
Ilnlisidota edwI~aidsfi IPack. Bred by the writer at Los Angeles, Cal.
Leut.arctia icrnt-a I)rurqr. (If. Edwards, in Loew's Dipt. Amner. sept. indig., Cent. X, No. 67.) Brachyconia davidsoni C'oq. --Bombiis fervidus liabr. Bred by Dr. A. D)avidson, Los Angeles, Cal.; the tachinid larvce fed onl those of the Bombus.
Celatoria diabroticai, Shinier --.- Diabrotica 12-punctata O1ir. Issued August 3, 1889, from adult beetles collected by T. Pergande, in Washington, D. C.
Diabrotica soror Lec. Bred by the writer .July 5, 1888, at Los Angeles, Cal.; the tachinid larva issued from an adult beetle .June 21. Another issued A ugust 15 and was changed to a fly August 28. Other flies issued August 29 and 31. Also bred in June, 1889, by A. Koebele from an adult collected in Santa Clara County, Cal.









Celatoria diabrotic,-v Shimer- -Diabrotica vittata Rib. Bred.Tuly 21 and Autrust 57 1897, by F. 11. Chittenden fi-oin -in adult collected at llrookl,-xiid, Md. ChzvtoL,.vdia crebra 1% (7. 11 ------- Aorotis sp. Bred.,July 11, 1888, by the writer from
,t caterpillar foutid, Jilue 2 it Los Angeles, Cal. T.aeniocanipa rufula 6rotc. Bred July 29 ', 1888, by tho writer from a caterpillar found. Tune 9 at Lo's Angeles, 0,11.
Chwlocrwdia monticola Bigot .... Carnemles sp. Bred by W. C'. Wait, Kailua, N.
Kona, Hawaii.
Peridronia saucia Hiicb. Tssue4l fuue 1.1 '. t895, frout br -s,ilis receivetl AM iy 13 from William Cbappelow, _Afollrovil, C"al.
Pyr,,tineis eirdui 1.ioin. Bred bY the writer ot Lo.; Aiioeles, Cal.
Cistocraster imumeiihita M(wq uu ipinicta Hair. Jorbes, Psyche,
Cr Issued Mireb 23, 1893,
vptolueigcilin thelitis 11 ilk- -L.iclitiostertia iii-versaRor)i.
from in wbilt hectle collected bN, T. Pergande, in Mav 1892, :it, Visliimjou. 1). C. Ec1iinomyi.i aliens JVicd -------- fAeMt li(,,iiic(Aor Giwn. (Gillette', Trins. Amer.
EMt. Soc., Vol. XXII, p. 70.) griuiyia florideusis Toirn ---- Nodia, sp. l1red by 1'. P. A. Cockerell, Afesilla, e x.
Euphorocent claripeuni,; _11(te(j. _Acrouyeta limiumulis Giien. IssuedAugust 8, 1882, froin a caterpillar collected July 237 by A. Koebele, in VirIgillia.
Agrraul is vai i ill,(- Lbi ii. Bred September 12, 1893, by Dr. A. Davidson, Los Au-cles, (_'al. Aletia arl(Oll,,icea Riicb. Issiied August ill 1879. Auisovt seilatoria S. & -1. Ts.sited June 13, 1880. 'Ap.itura celtis Bd.-Lec. (Rilev, iii Scudder's Buttertlies of New En(rhand, Vol. Ill, p. 1922.) Apatura clyton Pd.-Lec. Bred by, 11. A. Morgan, Ilatoii Vouge, La.
Arctia docta Milk. Bred June 261 1883, by the writer at Analiefin, C'al.
Ceratoinia catalpw Poisd. Tssiied January 7 and. October 5, 1894, and Jauuary 5 and 26 and February 20, 189,5.
Chrysoin el.a in i i I tip line tata Say. Bred.July14,1872, by 0. Lugger froni a larva foinid, July 1 at St. Louis, Alo"'
Clisioe,,anpa disstria Hiieb. Bred by C. 11. Fernald, Amherst, 'Mass
Crocot-triibiciiiidari,,tffit( b. Issued October.95,1882, from a caterpillar collected March 15 by A. Koebele at Archer, Fla.
Datana contract If-alk, Bred An(rust 30 1886 by F. M. Webster, Lafayette, Iiid.; one caterpillir bore 1151, another 131,a third 213, and a fourth 228 effffs of the Ttchina fly.
EmpretiastimuleaClevi. Issued-July24,1885,fron-i, t a cocoon received. September 1884, from J. B. Smith, 2Iouticello, Ind.






12

Eupborocera clnripeniiis JI'arq. -Epil achiia borealis Fabr. Bred by Di% Riley, September 10, 1871, fi om a lai va collectedAugust 18 in New Yoil;, or'Now JerseN. Euboliiia? sp. BnA b-v k- Koebvle fmin a catei-pillar foundon 1)),o8opisj0i.11o?-a lit PanamiiitY.illey, Cilifornia-1 in 1891.
FeltMberilisGrote.
fi-ont caterl)ill,u-s -i-ecel\ed -\I)ril 13 from W. D. KIcn)1f, J:ickson, Tenn. Also Juiie 6, 189.5, fi om a c:iterlillLii- i'eccivc(I'May 8 front S. -Merrill, Miiie LI MottC7 A10.
IssiiedAngust24,1896,
froni a c.itei-pill.iv received August I from L. Col(111 C'III M lla)-ris. 1ssu(,dhme2Gand27, 18911 hoin i (,:it(,rj)l1lar received Jtiiie 13 ftom F. W11"on. Pwilwi, G'ra.
ai-teitils Pack. liss tied A I)ri 1.30, 1894, fi-om a c:itei'l 'llai, i'ece'vc(I hine G, W):), fvoiii T. D. A. GiCkevell, Las Cnives, 'N. Alex. licni'ili iw:i clectni 1)red Ju-ne 25, 1887, by
the writer, fi-()m a c.itei-I)i1lar colb-cted April 12 Cal.;-the tachinid larva issued

sp. Issue(] Oviober il, 1878. L(q)hvl-lis -;]I. ls"Ilc(l Wll-ell '5' 1889 ftoiii a, larva 1'ecelve(I Sej)tcnilwi, 28, front G. W. Ahi-tiuy Tcilil.
M micti-,t Poll. Brvd Jiily 4, 187 G, by r.
Pci-'-,iii(le fiwn t c.itei'j)illar i-cccivcd hine,8 I't-oln ATL G. (,;lilt, hil-l "vil le? MO. Issiied Nm einl)ev 17 wid 18, 1,,- ,Sll, i'l-oni ;I c itcij)illnr colle(,fed October 12 1 14. 11m\,ii'd iii, W ishliigton, 1). (11.
4,011(linna S. f- -1. l)i-ed Augu8t 23, 1876, 1) v T. l'c]',('-:III(1o froul :1, C:1,ei'pilhir received Aufp'ust 16 Imin .)()bit Mirritt, E;i,4t C:intoii, Alo.
letic()stI1-nw S. & A. Issiied Sel)ternber 21, froin ;I clir ysalis vollected SelAcinber 6; and '- cj)tembei- 23 f 0III It, cbrys:ills collected Septem1wr G; ;iii(l 'Septeniber 24 froui caterl)i1hars collected SelAcin1wr 4, 7, aud 11; and September 30 ftolll I c:Itel-j)*i1l:ir collected SCpteTTiber 11, 1895. Also issiwd April 16 md in -hily, Is96. All were from ()I-()'v]:IS collected :it W.1"11111(rtou, 1). C. l'b;isI;In:1 1Iej)t;it:i Cire)). Hi'ed -Jiil.N 2, 1886, by the wHter it Los An-cles, Cal.; the tachiijid larva issued Jtiu(, 2.
1V,,tnes,,.i :intloj)a Liitv- (Dinintock, in Scudder's Butterflies of New Eii-l:tn(l Vol. 111, p. 1922.) Eutrixa iiiasurhi TFOA ----------- Lachnosterjii arcit:&i Sinith. Issued Marcli 12, 161
flnd 23, 1895, frout an adult beetle collected in W:ishiiigton, D. C.
Exori.sbt, affinis FW1 ------------ Arotia? tip. Issued December 16, 18, and 19, 1889,
ftoiti a caterpilbir stated to be Europe, A tin, received
December 2 from 0. Lugger, St. Anthony Park, Minn.






13

Exorista blauda 0. S ----------- Eticlet cippus Crmit,, Issited June 21, 188-1, from a
caterpillar coliccted October 9, 188,31 by A. Koebelel in Virgini.t.
-Nisoili.t(les brizo Bd.-Lec. (Scudder, Butterflies of ew Eiiglaiid. Vol. 111, 1). 1919.) PVMJIWIS cardiii Lhm. (Rilev, ('aii.idimi Ento111010()-Ist, Vol. XIX, 1). 163.) Exoristi bo;trmit- Coq ---------- Bwrmi.t pmipintrii Guev. Issued Septeluber 12,
from i citerpill;tr received Augjist 1:)' front J. B, SjIiitII7 ('0011(t, NLts-'. Loxoste(re similalis GI(cil, 1"ssued JuIv IG, 1886 frout i cbrys-zilis received froni W. F. Avent. Ctm4 d(JI Ark.
Exorista cenitonlia- --------- Ccr.itomit miditlosa Walk. Bred M;tv 28, 1,- 75, by
])I-. Riley, from :I caterpillar fouii(l October 2, I S71, it St. Louis, Io.
()mphaloce ;i c triosa Lcd. ksued Jul v 2, Is92, fi olli a caterpillar received fwin W. S. Newloil ()swego Kaiis.
Pellipch'i 'sp. 28, fr(mi i catei-pillir
f6mid 1).\ 11-Aliison on a tree iii Octobel.. :J FO)l Worth 1ex.
I 'Y 1% t I i (I. lss ited hi September, 1890, from i caterpillar found ()it poison ivy by J. G. Barlow, Cadet,
-N I o.
Exorista clielouia. It"wid ----------- knichilis picia PIc/'-. Utred in 18842 by t1je 'writer at
Altaltellity ("al.
Alchadocta, fhtlk. Bred.ltin(326, bythe writer
tt AtiaheiitiX al. tit(- tachiiii(I lai-vaissiiedbme 17. Exorista coufluis Fall- Chrysoplmmis aiithoides JIVfl. Eiito11)0]o,-jca] -News, Dercitilier. 1). I)eiidrobimis ho\%,irdi byar. lsmed April 20, V 95 fiom :t cat(,vpillar i-eceivcd April 10 fr(im J. W. Twimey, Tiw,- (m, Ariz.
Lycvila e.ulis Bokd. 11red bY T. D.A. Covkvrell, Las C r I I c c s. -N. I e X.
I'Vew11:1 pseudar-iolus Pd.-Lc c. (Scudidei-, Butterthes of En.,,jaitd, Vol. 111, 1). 1920.)
Lyc;1 11'1 sp. Issited 'May 24, 188G, ftom a e;tterpillai fmilid on a hichory ti ee ALiy9, by T. Per-ande, iii ',!w District of Coilimbia. niccLL C.11.11111S HIO 7). (Satti-t(ters, Can. 1,11tollioloi t. V (J. X I X 1 (1)(3).
Exorista endryv. Tuicii ----------- Acroji vct t li.miamelis Giie)i. Isstied Aii ,-ust 1"2,
froilt a catt-i-pillar fOUnd by.;k. Koebele, J it IY 23, in

Aci-ouve-ta litteicoina G. ( '- It'. Bred by Dr. Riley December .)1, 1871, it St. Louis, Mo. Aci ouycta sp. Bi cd April 11, 1871, by 0. Lugovr, froin a caterpillar collected April 5, 1, 73, at St. Louisl Mo. Issited J itIN 24, 1882)froina caterpillar found by A. Koebele, JnIv 9 mi ,in oak tree at Hyattsville, '\Id. Another issued -Alay 10, 1883, front a caterpilLir foutid on mt mik tree. A,rotis ypsilon Pott. Issited I'ebrLt,',IrV 15, 1875,






14

Exorista eudrya. Townt ------ Alypia, octoniaculata IHueb. Issued June 2, 1884, from a caterpillar received from M1issouri. Eudryas unio Huieb. Bred by H. S. Jewett, Dayton, Ohio.
Heterocampija inartliesia ('ram. Bred by 0. Lugger, at St. Louiis, Mo.
Ilyperchiria io FO)b. Issued May 31, 1895. IPyraineis atalanta Linn. Bred by P. S. Sprague, Boston, -Mass.
Exorista Ilavirostris v. d. 1I ..... La;goa opercularis S. & -A. Issued June 30, 1880, from a cocoon received Mal~rch 4, from R.S. Turner, Fort GWeorge, Vi'a. Also January 21 and 22, 18891 from a caterpillar received from T. M. Mec.1eekin, 1c-leck in, Fia. AloDcme n ,18,from
a ctrilrreceiv-ed fromn Dr. Neal, IFlorida; and July 31, 18S93, from a cocoon received from E. W. Roger,. 'Jenining-s, Va. Bred May 11, 1891, by 11. E. Wced, Agr-icultnral College, Mississippi. lsscdJune 2, 1896. from caterpillars collected Novembet'- 25-. 18 95, by E. A. Schwarz, at Victoria,

Exor'ist: fultiliS 8) S------ CT'lSIMcIiip11a thoracica Stretch. Bred in 1890, by A.
KNwcl(, at (ilen1 E"llenl Cal. I 1;adena ap1ai iI f)irm Is Grote. Issued M.\ay% 16, 1884.
-lP.\rmi- atalanta Linn.. (Harris and Scudtder, ('a. EtomlogstVol. XIX, p. 162.) Exorista riseomicazis r. d. ]ell )ry~ costa 1.. 11: Abb. lIssued July- 17,11896, from11 a cocoonl collected Ill Dahnto,. C. Exorista isa', Coq --------------isa ilwnornata G. '4 1'. Issuedl Junie 16, 1886, fromi a
cateri-jllar collectedI September 29, 1885, by).) Lugge -)-r.
Exorista lobelia' ('0q ------------Xcrmin'\-cti bimatnainli (cn. Issued Augu*,-ist 8, 1882,
from a caterpi)llar collected by A. K'ocbele in VirAcron eta lobelia'(hcn Isisued April 21, 1885. Acr-onx'*cta, sp. Issued~ July 28 and 31, 1882, from a catlerpillar found on an onk tree in Maryvland,. July 2, by' A. Koclwele.
Orgia i;ctiii S. &' A. Issaue(l. July 21, 1897, f'iu a cocoon collected in W\ashingrton, 1). C. Exorista lwtiolat&1 (q----------Lopqh rus sl) Issued June 2.3, 1883, from a larva
collected .Junie 3, by 1)r. Rtiley, in Virginia. Exorista IpYste Wolk ------------I lyponoiiicittta iitipunetella (Umni. Issued Jimoe,
20 and 2,3,1 184, fronti a caterpillar collected J iie 1, b~y A. Koebele, in) Washington, D. C. Mine(Oa iiidIiginella Zell. Issued July 9, 1886, froti a1 caterllar- receiv-ed frvom 0. S. Roberts, Oxford, Ind. And4 -Juiie 18, 1897), from a caterpillar roceived June 10, front W. A. Fisher, Moselle, Mo. Pyralid. Issued June 22, 1886, from a caterpillar found MAa y 9, on a hickory tree, by T. Perg-andle, at Washington, D. C'. Also October 6, 1896, froml a caterpillar found August 10, on cabbage, by H.L M. Simnons, Charlestoiu, S. C. 'Thecla auntolyis Edwr. (Belfrage, in Scudder's Butterflies of New England, Vol. 111, 1. 1921.)






15

Exorista pyste Walk ........... Tortricid. Issued June 26, 1889, from a caterpillar
found June 21, on a cedar tree by H. T. Fuchs, Tiger Mills, Tex.
Exorista vulgaris Fall---------..........- Pieris rape Linn. (Lintner, Can. Entomologist,
Vol. XIX, p. 164.)
Pyratista penitalis Grote. (Forbes, Pysche, June, 1893, p. 467.)
Frontina aletite Riley ...........Aletia argillacea Hueb. Issued November 23, 1878.
Also bred August 21 to 31, 1880, by i. G. Hubbard, at Centerville, Fla. Cerura sp. Bred by A. Koebele from a caterpillar found on willow at Los Angeles, Cal. Dasylopha anguina S1. 5- A. Bred by E. Burgess, Beverly, Mass.
Hlalisidota maculata Harr. Bred in February, March, and April, 1889, by the writer at Los Angeles, Cal.
Halisidota tessellata S. 4 A. Issued August 11 and 15, 18'6, from a caterpillar received from L. Collins, Brooklyn, N. Y.
Lagoa opl)ercularis S. 1. Issued November 27, 1891, from a caterpillar received November 12 from I. Stevens, Brazaria, Tex. Orgyia leucostigina S. A. Issued September 18, 1895, from a caterpillar collected September 7; and September 20 from a caterpillar collected September 5, the tachinid larva having issued Septemher 9. Also September 23 from a cocoon collected September 6. Also September 30 from a caterpillar collected September 13; the tachinid larva issued September 18, 1895. Also issued in January, Febaryry, and .July, 1896. All were from Orgyia collected at Washington, D). C. Frontina archippivora ill-.....---Agrotis ypsilon Rott.
Clisiocampa constricta Stretch. Bred by D)r. A. Davidson, Los Angeles, Cal. Clisiocamnipa pluvialis Dyar. Bred by C. V. Piper, Pullman, Wash.
DIanais archippus Fabr. Bred by C. WV. Johnson, Philadelphia, Pa. and C. V. Piper, Pullman, Wash. Laphygma flavimaculata Har'. Issued May 29, 1897, from a caterpillar received May 17 from S. A. Pease, San Bernardino, Cal. Pyraimeis cardui Linn. Bred by the writer at Los Angeles, Cal.
Pyrameis carye H ieb. Bred February 20. 1888, by A. Koebele, Alameda, Cal.; also bred by the writer at Los Angeles, Cal. Frontina armigera Cog ......... Heliothis armiger Hueb. Bred June 14. 1888. by the
writer at Los Angeles, Cal.; the tachinid larva issued June 1.
Frontina frenchii Will---------..........Anisota senatoria S. A. Issued in August, 1879,
and June 21, 1880. Also July 7, 16, 18, and 22, 1896, from caterpillars collected by F. C. Pratt at Lake.land. AId., September 2' 1895.






16

Frontina french ii Will ------An isota virgin jensis Dritry. Issued May 27 and Juue 7, 18741.
Attacus cecropia, Linn. Bred March 17, 1890, by G.
Valentine, Harainontowit, N. J. Attacks sp. Bred June 21, 1891, by the writer, from a Cecropia-like cocoon onl Cea iothis sp)., near- Los Ang-eles, Cal.; the tachinid lairva. issued Mlay 26. Bonibus sp. B3red from a niest; Canada. Ceratom.ni catalpa' Poi,,d. Issued in August, 1890, fromt a caterpillar collected in the District of Columtibia.

Clisiocamipa ;miericaa Hfarr. Issued July 17, 1893, firoin a cocoon received J1uly 14 front G. B. King, Lawrn1ce, Mass.
('lisiocanIpa). caLlilornica S tretch. Bred iii May, by A. 11,oebelc, Alamedal Cal. C11isiocaitpa cotistricta .AftD eth. I red .1uly 5, 1889, by t fhe5 \v ritcer, froit caterpillar collected 'May 5 neal' I msAures Cad.
*('1ilsl,iampa dtisstria Iueb. (I arvey, Psyche, May, 11 1, p). 85-.)
C'I IocItIpa thoracica Stretch. Bred ini 1890 by A.
]\ochele from iuu caterjpillair found at Glen Ellen,

lDa,v loplia awuiguna 8. 4,A. Bred by E. Burgess,

I ).tmii mimi- a IDrury. Issued iAlay 2, 21, 2,5, and 3,4), 187 1. Also Septemberwi 11, 189, and Jutly 17 anH01 us 6, 189-11 froiii caterpillars received .)II y 21, 18!):) fromu A. NV. I butler, Brookville, Lid. I )at uI I i I.1s sue Ma t N1y 28, 18 75, froin a cate rp illar 1,o1111d onl aI irch tree.
l~i~steia iroliia, finn. Three were bred April 22, 18 74, by 0. Lugger, fromt adults collected at St. ILouis, Mo., the previous year. I )ryocaznpat ril~icunda, F'ubr. Issued June 30, 1896, fromu a caterpillar collected by F. C. Pratt, July 11, 189, lat La:kelaud, I\Id.


I tel jotlik irmi-ger Huicb.
IlyperchiriaL io Futbr. BredI Octob~er 11, 1879, by G. It. French, C:Irboidale, 1ll. Hlpsoropha horuuos lueb. Issued July 18 and 23,
1 184..
I(lthyara inclusa Ilueb. Bred March 11, 1875, by 0. Luggvier, from a caterpillar collected at St. Louis, 'Mo., tlhe. previous year. Also bred in 1889 by F. M. Webster, Lafayette, Ind. Issued July 27, 1893, fromt a cocoon received July 18. Orgyia leuicostignia S. 4- -1. Issued in July, 1896, from caterpillars collected at Washington, 1). C. "JPaj)ili() timrmus Liun. (Scudder, Butterflies of New England, Vol. Ill, p. 1923.)







17

Frotitina frenchii Will.........--Pyralid. Issued April 28 anti May 8, 1883, from caterpillars found October 290, 1882, on tan. alder tree ill Vriiby A. Koelbele. Pyranieis carduii finti. Bred by F., M. Webster; Townsend in~ lit.
Schizuia tin icornis AS.f 4 (F. A. Marlatt, Psyche, December, 1891, p. 187.)
Siiicriiitliui cerisyi Kirby. Bred by A. Koebele, ill 1887, front a caterpillar found1( at St, Helena, C al. Telca poly1)benims ('rum. Issued -November 13, 1882, and -May 3a, 1884t. Also bredI by S. Baldy, Catawissa, Pa.
Froiitiria irrerfuieta Wfalk-----lapilio thoas Litn. Issued February 23, 1880, from a chrysalis received .Janu ary 27 from Prof. J1. H. Comjstock, Jacksonville, Fla. Frontiiia violenta huldk------1hilainpeliis vitis Liaii. Bred October, 8, 1884, by T. Perg-anide, at Washington, 1). C. Vaness~a alitiopa, Lim. (Riley, in S cudder's Nitterilies of 'New EIi&gland, Vol. 11 1, 1) 1924. ) (>onlia, capitata I)C(; ------------ ladena devastatrix Thu (cc. Bred July 29, 1890, by
c( 1) G(i lette, Amec"S, Iowa.
Laphgiia frgiprda ~ I Hed inIi880 by Lyii Sta'liigSuiinysidle. A rk.
l'eridroina sauicia, Hutck Issued June 14, 1895, firom a caterpillar received M~ay 13 from AV tit. ('halpelow, -Monr-ovi, C'al.
Ililarella fnlvicornis CJoq --------Acridiidid. Issued March 4, 188-i, from a pn})arillIn toind aion(,- locuist 4Z("("8 at lloscowen, -N. H. September 14, 188 y ;k Koebele. I lyphantrophaga, hyphantria'
Town-------------------Ecatrvavariaria (;ote. (Townsend, Psyche,
April, 1892. p). 2,58.)
HyphIantria cnna, MItry. Bred by C. H. T. Townsendl, Sep~teiiber 1, 1891, at Las Ciruces, 'N. Mlex. Vanessa iniherti (;odt. (GUillette, Trans. Amer. 1Pu1t. Soc., Vol. XXJI, p. 73.) Hypostena barbata C'oq --------('Coptocycla, elavata' Fab)-. Bred fr~oi a larva, iiIJ July, 1897, 'by IV. ()'..John1son. College, 'Md. D isonycha xanthoineluna Dl Bred J1une 26, 1897, by F. 11. Chittenden, froin anl adult beetle collected at 'Washing"ton,D.C Hypostena tiorideusis Jc'wn----Blastobasis nutbilella, Zell. Issued June 26, 1895.
Schtizocera, ebena Norf. Issued August 19 andl Septeiiiber 19, 23, anti 27, 1887, from larva, received August 18 fronti C. AWerckle, Ocean Springfs,Mis Hypostena tort ri('is coq ---------Toi-tricid. Bred August 15, 1890, by the writer from.l
a caterpillar found Juily 26 inl a nest of leaves on Solanion don glasi at Los Angeles, Cal. Hyposwina, variabilis Cowi----Carpocapsa pomonella, LbInt.
Sy raus ta penitalis Grote. Issuled Augrust 15, 1883, from a caterpillar collected August 1, by A. Koebele, in Washing'ton, ID. C. Tenthredinid. Issued May 27, 1884, from a larva found on. an aldier tree; also August 20, 1896, from a larvit found ou lJpoiQma pauwliralu i M1









Juriiiia iiietallica IDesi ----- Eepantheria scribonlia Stoll. Bred .Junel10, l8SO, by 1)1-. Turner, Fort (6eorge, Fla, Lesk ioiuiiia Ieiwra lVie.d----Pyralid. Issued .July 3, 1885, from a caterpillar found by T1. Pergan~de, May 30, on a fern ini Virl11nniiii1Nia cmnila F(11l----- Agrotis ypsiloii Rof(. Bredl July 19, 1887, by the writer froin a vaterpillar received Julie 7 ftomn
-Mrs. -. St rNapa (Aounty, Cal.; the tacliiiid lairva; is!-uedl J1 ulv 1.
Carn-1e;des nIlessoria Ilairr. Bred by U. Y. Piper,

IN avqwii t ia irist is l~a 1k ----- lklisidott airgentatai Pack. Issited .Julie 21 11S9 frmi t ta ctepillar received May 18 fromn A. Koobele, Auirorai Mills, O reg.
i1.iiiiacodies sp). (CoiiistocLk, Psyche. June, 1892, 1). 27.5.)
.\Iasicera; vii litelhia' Tlcti------Eut itchia ribearia Filch. (Gillette Trans. Aller.
Ett. ''o.,Vol. XIX, p. 2871.) Ilyphauntria cyinea Drury. (Forbes. P'sychie, June,

.\lasi-crai iii voida' Jt- :i~ai oblujuata- G. 4'It. Issuedl May 12 and 13,
18*-82, nd .June 21, 1884.
liYdnvcia iitutela Clifen. Issued July 26, 1890, from a caterpillair received July 25 from F. A. Brown, FEv\erett M.-Aass.
MatSicera t enth red iidarin
T,,n --------------------Ientitrcelinid. (1Iarrington, TIrans. Allier. lEnt.
Sol.., V(d. XJ.X, p. 280.)
Mkicrophtlialina d isj uctt II -ied-Lach uosterna arc uatai Smith. Issued October 15, 181frimil a1 puipariium found in the skin of' a larv~a Augut 12 byT. Pergaiide,. at Washing-ton, D. C. M jopilhasli ainea 11';ed. --Balaiiiiiiis niasiclis Say. issued July 22, 1895.
Chalcoderinus sp. B3red by It. A. Morgan, Baton

Cow)t ra cheluR juglaiidis Lec. issued July 16, 1886, frq(,inia lar'va found by U. lPerganue in Washington. Also -Jiiuie 29 andI 30, 1896, f'romn a larva received Jiie 2 from .J. G. Barlow, Cadet, Mo.
(?)Leucania iinipuncta flaw. (Forbes, Psyche,
*June, 1893, p. 467.)
Splienophorus parvulusi Gyll. (Forbes, loc. cit.) MyViophaisia robuista Coq-------)li eiiojphor1is robustus Hforn. Bred in October, 18S86, by A. Koebele, from a larva found at Los Angeles, Cal.
Ocyptera caroliuia Iuct---------- Acridiidid. (Forbes, Psyche, .June, 1893, p. 466.)
(?)Leucauia linilpuneta flaw. (Forbes, loc. cit., p. 466.)
Pach)()ltalu~ vorien
lawci -----------------------Ilsodonta eleg(,ans Sm. Bred by Dr. A. Davidson,
Los Angeles, Cal.
I elopawns cementarius Dru!ry. Bred by the writer in October, 1891, 14 specimens from a nest found November 11, 1890, near iRincon, Cal. Also bred .July 28, 1892, by D~r. A. Davidson from thle ne-st of a burrowing wasp at Los Angeles, Cal. Issued July 27, 1897, from a nest received that day from, A. ()en 1r, Wilmington Island, Ga.






19

Pachy0plithalmil" floridensis
Town ------------------------- TrypoxNlon polibini Say. (Webster, Piill. Obio
Exper. Station, Technical Series, Vol. 1, No. 3, p. 158.)
pachy oplitlial 11 lus 8 i (-'] 1, ctil's Ile, ig op.1 us ceinentaritis Dritry. Bred by 11. G. lhibZ-1
bm-(17 Aiigiist 14, from a nest collected it Centervillel Fla.
Trypoxylonsp. l,'i-e(I.JtilyS,1(' 96,I)yl .A.SchNv.irz, from i nest fomid it Berkeley, W. V(i. Pinzeria penitalis Coq ---------- Pyr.iusta penit.ilis Grote. Bred June 1, 1876, byDr.
Rile y, at St. 1,011i"I Mo., froln .1, c.1terpill.11. collected the previous yeir. Also bred ll.iv 15, 188,-, by Miss M. E. A-1 tirtfeldt, K i rl woo(l, Mo. Panzeria radi-cum F(tbi ---------- Hypliintria ctinea 1),rio-y. Bred April 13, 1874, by
tl-5 In -I t from :1 cocoon follild
0. Lu(-er, , t. l"Ollisl 'Nlo.1 October 26, 1873. Also issited from i c.iterpill.ir Collected in W.Ishili(14011 1). C. llyphautri.i sp. Issued Mirch 26 ind 30, 1896, from citerpillirs collected Aiigtist 18, 1895, on i persimmon tree at Riverview, Md., by T. Pergindc. Phorichwta seqiiax Will ---------- Noctwi feimica T(Utsch. (Cooli-, 'Notes on Injilrious
insects 1884.)
Noctni(l. Bred in hilY7 1888 by A. Koebele, frollia cttterpillml- Collected it S11111111it, C'11. Phorocera conistocki Will ------ I Lopbyriissp. (Forbes, Psyche, Juno, 1893,1). 467.) I\le(,(ith 1874
1 1 ymLis Yumv Pd.-Lcc. J')r(-'d Abreli 1-1, 1) (). Lumer from i ptilmritim received from
South Giroliim. lssiied .1hrch 21 ind 267 181921 from a c.i t(-rp ill. i r rece i ved from J. H.Mellichzimp, Bliffl'ton, S. C
-.' Pyr.msta peniblis (Irote. (Forbes, PsYche, Jitne .189C3, p. 467.)
Phoroccra dorypliorw Rilcy 1)oryphora 1()-Iiiiei ta Stty. Issited July 0, 1897
from a Jarva collected by Fnink Bcmibm at BerWY117 Md.
V.Inessa .111tiopa Liml. Bre(l, by Dr. Rliley, It St.
Louis, Alo.
Phorocera lencania-, Co(j -------- Leucmia unipuncta 1hav. Tssited June 4, 1,K)Gj from a c.iterpill.ir received lby 4 from J. C. Mtckev, Ripley, Tenn.
loxostel(,,,-esiiniltlis(lite t. lssiied.hily7an(19,1888, from caterpillars received fi-om W. F. Avera, Cam(1011, Ark.
-v, 111' -ix citrana Ferv. 1'rvd bv the writer \1av 13
Phorocera pai t Pigot ------ orti I 1 2
1-87, from a caterpillat- collected Api-il 28 at Los An-eles' Cal.
Phorocera saundersii Will -------- Ar-ymiis cybele, I,(tb)-. (Riley, in Sctidder's butterflies of New Eiiglandl VoI. 111, 1). 1922.) Phorocera tortricis Coq --------- Tortricid. Bred by C. 11. Gillette, from a caterpillar found on a cherry tree in Michigaii. Plectops inelissopodis Coq _LNfelissopis latiferreana Wlshw. Issued July 19, 1892.
Also bred July 20, 18! 3, by Miss M. lj. 11iii-tfeldt, Rirkwood, Mo. lssiied11,ay 5, 21, 25, and 28, 1894, from caterpillars collected in April by T. Pergande in. Washin-ton 1). C.






go
AW

Pseudocha-ta argentifi-ons (',t)q _-Boutlyyvid. Bred by the writerMay '13, 21, .ITld 30) 1890, from a caterpillar found -.NIaN- 20 feeling on liclicus on III apple tree at S:mta l)arliara,, Cal. I'seudw, I I; f, t a 1) yr; I I i (I I S Co yralid. Issued March 24, 1860, Cnmi a caterpillar found iii a n(-,.;t of leaves oil aii mik tree. ;eliot;llilia ti-ilineat'l, 1% d. 1j'_ ?).1'elic;Illia unipimeta Hau% (Forl)es, Psyche, .Jume L 93. p. 467.)
Sphecilis SMICI.01_li 1890
us britry. Issue(l. August 7) from a found All"list 15 by T. Pergande, in

Siplioll't plusia. Caq ------------ Plusizi californica Spellcr. Bred by the, 'writer July
2. 1,,,:!12, at Los ;kiivrele s, Ca L ; the taciiiiii(I laiwa issiwil June 18fi-wn a eaterpillarcollected.J 1111e 17. ,Spallaw ;mia Ii e-sperida 1 11 it) Will. -' FtI41:11111i"; fit\ mis F(ibr. (Ilari-is, in Sciiddei-'s ButIci-11Ws (if Nc%\ Eii-land, Vol. 111, p. 1917.) Still-illia albill-oll's Walk. Ecliwithcria scrihotiM NMI. Bred by 11. G. Hub411.(1. ;It Celiten IIIc, 11"la.
;wr;t-:i Drury. 1)rc([ kno 2.5 md July h) I)I-. R'lley, front :I c;if-vipillar i-cceived '1111le I I fi-mil A. 1). Butiel" Colinubia, S. C.
Nlan-h 20 an(l 26, 18,'- 31, from a cocooil i-o(.elvell )klrch ') fi-oill Mrs. A. 1.. I"Itblil 8:111 Jose, ('A. -kl,4) brc(t by Nh ,. NV. S c I ig e r, I I a I, t f *() 1- (1 Iss-;ucil June 16, 1,s,,- 5 from a cocool.i reC01\c1l fi0iii Mmphy Bi-oihers, Paris, Tex. l'ut(iji:11,ce 1-ch'JI.S 1 1 1880 by
dist Mcla 111fl). Bac'd 3uue 11 1

Protop;trce jmnmceiisis Biol. Bred Seplembei. 7) P-o-Of, 1) \ C 11. T T ()Nv1IS( II(IY K ill"Stoll, ');11I);1IC;I. Spli i I ),-,i (I. kslw(l Nh v It, 1889, fi-oill a (.;iterpi11'I1foun(l oii ;m ;ish tj,(,4) by 11. '11atli:iNvzi y, I)MvsHitc, Tc\. Ak() November 21, IS 13' :1 Cato,V111,tr rcc( '\ e(l 1'i-om the ,anie som-ce. Stui-ni'a Imn-Isiii.v Coq ---------- 1..I;i rris'n;t i nwi-icaua Harrix. lssiw(t October 7, 1886.
6turuila inquinata t% (I. It' ------- Cei'at"Ilda amyntor Hiteb. Issued May 28 aud 31, 1" 1.
C(Tat(itylit. undulos;i Walk. Bre(I )larch 11, 1875) 1)y ])I-. Viley. A -t. 1,01lis, Mo., from a caterpillar C(111ccled t1w previousseason. klso issued July 27 aml 281 IS88.
Dcilcphila lHicAa Fabi-, J)red October 1, 1892, by Batoll Umlgel L.i.
I h-miletica iimia Dritry. Issue(I September 25. Phi);tmpehis acliemmi 1)rttry. 1S specimens Nvei-e la(,(l from oiie cbrYs;ilis Octol)cr 18, 1881, 1) MiSS "I -kwood' Ah).
M. 1'. Martfeldt I I
Protoparce carolina Liwi. Bre(I May 17, 1880, by G. H. Freiich, Carboiidale, Ill. Also issued
December 2,'- 1891, from a chrysalis collected No v v mber 2 11 by I)r. Riley, in Colorado. Prot oparce celeu s 1111 (4) Bred in April, 1871, by Dr.
Riley, at -4. Louis, Mo.
Protoparce cin',_,,ulata Fabr. Issued January 26 and 271 1882, from a clii-ysalis received December 17, 1881, froia J. C. Neal, Archer, Fla,








4iirinia phyciodis Co(t ---------- Ph codes sp. Issued Oetober T 1889 from ,i caterpilkir collected September 15, 1)y T. Pergande, it Pinev Point, 11d.
Stm-mia scIj;znrv Co,,. _Schizura jpomo-w Dmibl. l'red i i i \ 1. 1 v, 1, 9 -), 1) C.
1'. Piper, Pullmaii, Wasli. Twhina mella Wai -------------- \crODycta popnli Riley. Issued September 26 tind
flecember 7, 1ST4.
Arctia phvllir.i Dritry. Issued Npril T, 1882, from a c.iterpi iar collecte4l March 15, by A. Koebele, at i-ebei- FLI.
Clisiocampa disstria 1h(eb. (11,,trvev P,;vclie .Nf ay, 1891, 1). 84.)
Clisiocampa sp. Issued Jill v 10, 1888, from a c.iterpil hi r recei ved froni E' vmston I W vo. AlsoOctober 21 from one received June 251. frmn T. 1). A.
Coch(,rell, Avest Cliff, Colo. Bred b v flie writer from a, c.,iterpillar fonrid on an oak tree ne.-ir Los Angeles, (',-it.
Cli, ioc.impa thoracica Streteh. Bred in 1890 by A.
Roebele, from i cattrpilbr fomid it Glen ElleD, ( ',11.
Lencarctia acrw.i Dritry. Bred July (1), T, and 8, bN F. F. Crevecoeur, Oimiga,, Kans. Ori-Yia lcucos;f i. ,,ma S. '- 1. Issne(I September 16, 1 495, from i cocoon r,-(,)Ile(,te(I Septenilwr T, it W.1811ington, 1). C. Also issued in.July, 1,896, from caterpillars collected in the saine PorthetriadislmrLh ii.
I). 118T.)
Pvri-harctiaisabella S. Issited June 14. 11red
I i i i i e 10. 1892. 1) v W. I1r()die roronto, C.';j nada. Taebina, robust,% Tmrii ---------- A-rolis epsilon Roft. Isstied April 12. 1ST3.
Clisim -,-i i i i pa s 1). Bred by A. Roelwlc front caterpillars collected in Sorionia, Comity, Cal. T.icbina rnstic.i Foll ------------- 1 Tenthredinid. (Mirring-ton, Trans. Amer. Ent.
soc., N-4d. XIX, p. 285.)
Trichopliora miscelli Coq ------- Adi-soplianes miscellits Grote. Brvd in 1886, by A.
Koebele, it lo,, Angeles, Trit'llopoda pennipes Fabi ------- Amisa tristis DeG. Issiied SeptentLer 12 u)(1 1,11 40 IS911, froiti. an m1ult, received from M. 1'. Mirnard,
Kennett Square, Pa.
Tricliopoda phimipes Fabi ------"0, P K, from :in adnIt collected ,it St. Helena, CaL Wintlieinia -1-pistulata Fab ..... Alypia octoin,,wiihita Ififeb. Issiied Jitly 98, 1897, from a caterpilhir receive(l July 13 froin C. G. C*riswold, Brooklyn, N. Y. Att:ww, cecropia Linii. Bred liv Dr. L"iley 'It St.
Lollis, -Ato.
lIoinbyt-id. Issue(I October 21, 1882, front a c:iferi Mar found on a birch tree. Datana ministry Dritry.
'Deilephila lineata, Fabr. (1-Ziley. ('.in. Entoinolo-ist VoL XIX, 1). 165.)
Fe I t ia lierilis Grote. Issued hine G, 189-51 fi-mil a, caterpi received Alay 8 front sSpencer Alerrill, Aline I'l Alotte 110.






22

Fabr---- ffalisidoti tessellate. 8, & A. lqsyie(l August 14, 1896, from a caterpillar received August 1 from L. Collins, Brooklyn, N.Y. Hemaris ditti-nis Boiqd. (Forbes, Psycbe, June, 18931 P. 467.)
Lapbygm.a frii-iperda, S. A. Leucania unipimeta Haw. Issued June 12, 13, 14, aml 18, 1879, fi om caterpillars collected by Dr. lfowaiA iwar 'Portsinmith, Vi. Also, Augiist 12, from a ea-L-erj)iIIar received August 2 from 1). A. Ayres, Stillville, Va. AlsoJime 21, 22, an(l I 189.1, from caterpillars received June 7, front 11. 1). 1 htcber, Cbester, Pa. Aud July 23, tS!)(;y ftom a c:itcrpilhar collected at A(rawam, Mass. Also bred in by M. V. Slingerland, Itbaca,,
N. Y.
01-1-rN- ia, lelleogti (rma S. & A. Issued i n October, 1895t awl AI)ril 14, 1896, from caterpillars collected it Washill'('ton, T). C.
Peridi-oma saiwin, Hitch. IssnedJune 10, 1872. Protol)arce ce:ens 11ne.b. Bred inApril, 18-1, bY Dr. fkile.v! I'vom a caterpillar collecteJ tho previmiH IvV:I I. at, "- t. 1,011 is, Af ().
Teloa pol\'Idiemns Cram. Issued)[ay 0-9, 1882, from a (.:Itcrj)iIIav collecte(l Septe m be i --), 1881, by B. P. MaIIIII ilL Washill-ton, D. C.


TL-110' TS AND THFAR, PARAsirii's.

wiiiiiiA in this partof thebm,.]

Pant'siff's.

I I )' I V, N () I "FEN A.

Bombs fervidiis Valo ----------- llracliyeoma davidsoili Coq.
BmIlblis SI) --------------------- Frontill;I fl-viwliii W ill.
Isodonta, Smilh ---------- Micli-volditImImus floridensis Town.
Lophyrus ildmtii Ica(h -------- k.Immltla (Temylus Walk. Lophyrus Ircontel --------- A41montia dem.\Ins lf'(ilk.
Lophyrus Ii ------_----------- EtiphorOCer.L claripemlis Macq.
E.\oi'lsta petiolata Coq.
Phorocera comstocki Will. Pelopwils com, .11tarills Drury. Pach vol)1itImImus florideusis Town.
P:Ich v0plithallims sil-flatils J16y. Schizoc( ra cheiia Yort ---------- Hypostena Iloridensis Town.
Spheclus sjwciosus Dritry __ -Seiiotaiiiia, trilineat'a r. d. W. Tenthi-ediiiid ...... ...... ...... Ilyposteita, variabilis Coq.
".Masicera tentbrediiiidarum Town. Tachitia. rustien I'all.
Trypoxylon politum Say ----------- Pa(-byopbthaMiiis floridensis Town.
Trypoxylon sp ------------------ Pachyophthalmus signattis Meig.

I IE' ATI PTERA.

Anasa tristis I)c ---------------- Trichopoda pennipes Fabr.










Acridiidid --------------------- Ilil.trelht fnIvicornis Co(j.
Tricholictla, pluinipes F(tbr.
Ocvpter-t etrolinw I)csv.
-ij-i(lifas(,iat-t J)cG i.
Chortoplin tra N T_,jk(-emN dentata Coq.
Dissosteira (,aroliiia Linu -------- Fronfina frenchii ff Dissosteira ventista Stal -------- Trichopoda, pliumpes Fahr.

COLEOPTENA.

Balanimis misictis Say_-- wnea lf*ie(7.
yia -eorgi;v Br. P(,rfj.
Calosonta caliduni Fab) ---------- Bi om r zlCalosoina peregrinator BioniN-ia Pr. Bery.
Cbalcodermus tip ----------------- Nlyiopliasia vnea Wied.
Clirysoiiielaiiiultipiin(-tataS(ty-.Eiiplioro( ei--(t claripeimis Macq. Conotrachelitsjuglandis Lee ---- A.1yiophasia wnea Wied. Coptocycla clavata 1'((b)- Hyposten a b.trbata Co(j.
Diabrotica, 12-pum-tata Oliv Celatoria (I i,-tl)roti(-,(- Sh imer. Diabrotica soror _Lcc ------------ Celatoria di.tbrotica- Shimer.
Diabrotica, vittata Fabr. - - _. -Celatoria diabrotiew Shimer. Disonyclia, xantbomelwiia DOnt-Ilypostena I)arbata CO(J. Porypbora 10-linetta Say. - _. P orocera doryphorw Piley. Epilacbna borealis Fabi ---------- Euldiorocera claripennis Xactj.
Lachilosterua arcuata, Smith .... Entrimi masiiria Walk.
icroplithalina disjuncta 11"td. 114chiiosterna inverse Iforn Crvptomci go'ell ia thentis Wa lk. Sphenopborus parvfflus (;yll---- -Myioplmsia t iwa [Vied. Sphenopborits robustus Horn ..... lyioplutsia robusta C(P(j.

IJI' NDO PTEIIIIA.
Acronycfii dictylina Orote ...... Amol)i.i distinct(i Town. Acronyeta linumnielis Gucn. ._Euphorocera cliripennis .11acq.
E\orist;t eudry(v Town.
Exorista lobehw Co(j.
Acronyeti lobelke GUCII --------- Exorista lobelia v Co(j. Acronyct.i luteicoma G. s'- R __Exorista eudryw Town. Acrouyet.i occidentalis G. '- IL-Arebytts aterrima Pcsr. Acronycta ovita Grote .......... Archyt.is aterrinia, Dcsv.
Acronyefit popith _Riley --------- Tachina mella If-Ok.
Acronycta sl) ................... Exorista endry;i- Town.
Ex0ristn lobe iw Co(I.
Adisophmes miscellms Grote ---- Trichopljor;i iniscelli Agratilis vanillo, Linn ---------- Eiij)liorocent claripennis 31(tcq.
Agrotis sp ---------------------- Chwtog.rdia vrebra r. d. IF.
Pboricbvt;i sequax Will.
Agrotis epsilon Rott ------------ Exorista ei('rN-,v Town.
Froutina irehippivora Will.
-iI)IIwmyia Coulta, F(tll.
Tachina robusta Town.
Aletia argill.ice:t Ifiteb ---------- Eul)horocera claripennis Macq.
Fiontina alethu Riley.
Alypia octonwenlatn Ifueb ------ Exoriti endryw Town.
Will C!vInia .1-pustilhkta Fahr. Anisota, seiiatoria A ........ Euplioroeera elaripennis .11acq.
Frontina fretichii Will.






21

Anisota virginiensis Dritry ------ Frotithia frenchii [Vill. Apatura celtis Bd.-Lec- - __ 'Euphorocera claripeimis .11(tcq. Apatura cli-ton Pd.-Lcc ---------- Euphorocen claripenni, ; Jlacq.
Araclinis picta Pack ------------ Bleplinripeza ndusta Loeic.
Exorista clieloiiiw Rond.
Arcti-a docta 11"Ok -------------- Euphorocera claripennis Jracq.
Exorista cheloidw Rond.
Arctia phyllim, Drury ---------- Tneliina inella If-alk.
Arctia 81) ----------------------- Exonsta affillis Fall.
Argynnis cybele Fabi ------------ Phorocent saundexsfi Will.
Arzalli'l, Ohliquata G. 0'- It -------- Masicera in void:ta Per.
Aftnens cecropia Livit ---------- Frontina, frendiii Will.
Wintbeiiii.a 4-pustulaia 1"ahr. Attacius sp --------------------- Froutiu.t frenchii Will.
Blastol .i,,i.s nubilella Zell ------- I I yposteim 11,aidensis Town. Boarmia pampinaria ('r'UC11 ------ Fxoi-ista boirmiw Coq. Bombycid ---------------------- Pscudiwbwta ar,-entifroils ('Oq.
Fabr.
Carueades messoria Harris ------ Aphria ocyptenita Towo.
Linn:tm vi:1 comto Fall.
cnrnend(- ";p ................... C11;1A0. _';1'dl;1 111011ticola Pigot.
Girpocapsn ImmomAla Linn- .__.1JN-pOst4,ii;i v:1rl.11)l1iS Coq. Ceratomm :1111viltor 1111cb 1% d. 11'.
Ceraton&i.catallw- Bmsd --------- I'll pllorocel';' clarlpeimis Macq.
Frolitilui frem-11ii Will.
Ceratomia midtflosa 11'(i7k ........ Fx0risi;i ceratonihe (""Oq.
Sturmi't implill"Af:1 r. d. 11'.
Cernra sp ...................... Arcli vt;is Aej-rinm 1 )C81'.
Y'row ill;( Rile.q.
Cbrysoplialms \:mt11o111vS 'Exorlst.i conlims FOL
Citheroni.i re.-,th, Fob .......... Bejv('sla bif;isei'lt'l Fabr.,
Froutlim frciicbli Will.
Clisiocampa americaim Harr ---- Fi-onlInafrenebii Will,

Frontina fteiicllil Will.
Clisiocampa eonstrict.a Sh-cich. M c pli aripeza a d I I ,, ta Toew.
Fl-ontilm arellipivora If-ill.
Fronfinafrenchil' 11'171.
Cliiocampa dis,- tria Ibicb ------ Euphorocera chripellilis Maeq.
'Froutimi frenchil [Vill.
'Tacbiim melln Walk.
Clisiocampa pluvi:dis Dyar. _Fronthia ai-chippi vOra Will. Clisiocampa sp ----------------- Tachilm melka 11'alk.
Michina robwt:i Town,
Clisiocampa t1joracica Nfroch. __1')Jepbnripeza adusti Lociv.
Exorista futilis 0. S.
Frontina frenchii If-ill.
Tachimi mella Wall,%
Crocota rubienudaria ITneb. _-Eupborocera claripennis Macq. Daimis archippus F(tbr --------- Frontina archippivora IIT,'I.
y1opha angina S. t A ------ Frontina aletiw 1iley.
Froutina frenchii Will.
Dat:inm contract Walk --------- Euphorocera claripenuis Macq. Dat;kna ministry Drary ......... Frontina frenebfi lFill.
WhAbernia 4-p-listulata Fabr. Datam-L sp ---------------------- Froutina. freuebii I'Vill.






2 1' 5

beileplifla lineata Fetbr- Sturmia inquiliata 7'. (7. fl-.
Whitbeinio 4-piistulafia F(thr. Deudrobinus howardi Dyar ----Exoi-ista. confines Fall. Dryocampa rubicunda J,((bi-- Belvosia bifasciata Fabr.
Frontina frencliii Will.
Eepantheria scribonia Stoll -Jurinia metallica Desr.
Sturmia albifroms Walk.
Empretia, stimulea Clem -------- Euphorocera claripennis -Haol. Eubolina? sp ------------------- Eupborm-era claripennis 3facq.
Encaterva variaria 6rof( -------- 'Jlypljantroplla(ra hYphanlri:v 7oulu. Eneba-tes egle Dritry ------.----'Frontiua froucbii Mill.
Euclea -cippus Cravi ------------- Exorista bLaDda, O.S.
Eadamus tityrus Fab), Spallanzaiiia besperidarum Will.
Endryas unio Ifi(eb ------------- Exorista eudryv l7own.
Enfitelda ribearia Fitch --------- '- Masicera eulitch iw 7own.
Feltia herilis Grote ------------- Euphorocera claripenilis Macq.
lVinthemia -1-pustnInta Fabr. Hadena aptamiformis Groh ------- EXorista filtilis 0. S. Hadenta de-vastatrix Bra e ------- Gonia capitIta DcG. Hadena lignicolor G'uen ---------- EcIiinoruvia agents lialisidota argentala Pwk ------- laequartia. pristis 11alisidota edwanlsii Pacl -------- lAepharipeza aditsta Loelf.. Halisidotainaculam Ilarr- --Frontina aletiw Riley. I I al isidota vessel lata S. 4- A E' u phorocera cln ri pei i i i i s lIa(,(I.
Frolitilla aletio, Ril('y.
Wintbeinia, 4-pngtulata Fabr. Harrisina unericana Harr ------ Euphorocera cliripennis 31itcy.
,4011-mia luarrisinw CoqHellothis arnii1ger ffiteb --------- Frontina armi (fera CmI.
Frontina frenchii Will.
Hemaris diflinis Boisd ------------ WiTIthemia 4-ImstiiIata F(ibr.
Hemiletica artemis Pad --------- I'luphorocera clarlpennis Hemileuca electra Wrighl ------- I'lujohorocent claripellflis Hemiletica maia, Dowy --------- Sturmia inquinota r. d. 11 .
Ilemilenca sp ------------------- Eelvosin bifi-isciaH Fltbr.
Ileterocompa marthesia Cram - Exorista eudryw 7'olru. Hydrweia iiitela Giten ----------- Ahsicern myoidw.i Desr.
Hyperebiria io Fabi ------------- Exorista eudryw 70111P.
Fronthm, frencbii Will.
Hypliantria cimea Driwy -------- Tly plin ntroplin g.i hypliantria- l7own.
Alasicera emfitcbiw 7'own.
Panzeria 1-mliclull F(Ibr.
yphantria sp ----------------- Ponzeria rodicum Fetbr.
flyponomenta multipunctella
Clem -------------------------- Exoristo pyste IJ-(t7.-.
Hypsoropba bormos Ilueb ------- Frontima frcuchii Will. lebtliptra inclusa llneb ---------- Fronfiria, frellellii Will.
Isa inornata G. & R ------------ Exorista, isw (,'0(/.
Lagoa, crispate Pac -------------- Arclivtns nterrinia Dcsr.
Lagoa opercularis S. (Y,- A Exorista fla virostris r. d. TV.
Frontimn aletiw Riley.
1,-qc,0(a sp ----------------------- Euphorocern cloripellilis Arac(l.
L,,il)hy(riii,,tflkvim.teiillt.I Harr-Frontina irchippivora Will.
Laphygina frugiperda Clonia en I) it-, i f-a I)C('
Wliith(- iiiitt-ptisttil.tt.t Fabr.






26

Leucania. unipuncta Haw ------- Belvosia ninifasciata, Dcsl,.
*(?)Ciistogaster immiculata 31acq.
*(?)Myiophasia enea Medk.)Ocypterm carolimv Desr.
Phorocera lencanita, Co(j.
*(?)Se11Ot:1ini,1 trililleata r. d. IV. Winthemia 4-pnstulitn Fabr. Leucarctia, ocrvi I)ritry --------- *111epb.irlpeza -idust:1 Loew.
Sturmi.i Abifrons Walk.
T;whlivi niell;i 11'alk.
1, i m. i codes sp ---------------------- M;tcquartla pristis Walk.
Loxostege similalis Gi(en ------- Exorist;i bwirm1w Cofl.
Phorocen p.-irv;i Bigot.
LI-C k-11:1 eXilk Boi., d ............ E\orista confines Fall.
Lvcwu i psend.-irgiolus Bd.-Lec__ FxOrisN contims Fall. LYc-,in;t sp ---------------------- E\orlst.i confinis Fall.
Mainestra trifohi Roft ---------- Euphoroceni daripennis Macq.
At egathy I I ills Ylleca, --- Phorocent comstoel i Will. Alchssopiis latiforreana IVIshm-Plectops melissopodis Coq. 'Mineola indi,-inella ZrIl --------- Exorista pyst(, Walk.
'Nisoniades brizo B(I.-Lec -------- *Exoristn bland;i (). S.
Noctua fennic;i I'Misch Phorlch;t ta sequax Will.
Noctuid ------------------------ Phorich;i4a seyinx Will.
(Edclimsia concinna S. A ------ Euphorocera cLirlpennis Macq. Oinplmlocera c:iriosa Lrd ....... E.\orist;i ceratoinio, CoqExorista flavIrostris r. d. ff'. Onrvia Itme4osti-ma S. 4- A ------ Euphorocera claripennis Macq.
Exorista g-rigeomicans r. d. 11. Exorista lobelia Coq.
Frontina, alet]:i- Riley.
Vrontina frenchil Will.
Tachina inella Walk.
Wintlwmia 4-pustulata Fabr. Papilio thoas Linn .............. Froutina irnquicta Walk,
Papilio turns Linn ------------ Frontijm frenchii Will.
1"'empelia sp -------------------- F\orista ceratorlINI, Coq.
Peridroma sancia Hueb --------- Chatogwdia monticola Bigot.
Gonia capitata I)e(;.
Winthemia 4-pw,.;tn1ata Fabr. Phasi.Maneptata Guen --------- Euphorocer i claripenilis .11acq.
Philatapt-his acheinon Drary _-Sturmia inquinat.1 1% d. W. Philampeltis viti,; Linn --------- Frontina violent Walk. Phyciodes sp ------------------- Stm-inia ph3-ciodis Coq.
Picris rtp;t, Linn ----------------- Fxorlsta vid,"aris Fall.
Plusia califorlliC,'L Speyrr -------- Siphona plusiw Coq. Plod i. t s 1) ----------------------- Epi,,,rmiNia floridensis Town.
Porthetrita di-spar Linn --------- *Tachina mella Walk.
Protopan-c carolina Linn -Sturrida intininata r. d. W.
Protoparce celems Hueb Stnrmia distinct Wied.
Sturmia inquinata v. (I. W.
Winthemhl 4-pustulata Fabr. Protoparce cin(ralata Fabr ...... Sturinia inquinata r. d. It'. Protoparce jamaicensis Butler- Sturinia distinct IFIed. Pyralid ------------------------ Exorista ceratoralw Coq.
Exorista pyste Walk.
Frontina frenchil Will.






27

Pyrali(I ------------------------ Leskiomima tenera, lFied.
Pseudoehwta pyralidis Coq.
Pyranwis atalanta I Exorista eudi-yw Tolvil.
"Exorista futilis 0. S.
Pyrameis cardid Ltim ---------- Ch.etol(,wdia monticola, Bigot.
'E'xorista blanda 0. S.
Frontina archippivora, lFill.
-.'-Frontina, frenchii lVill.
Pyrameis curve Ifueb ------------ t'roll till a, 'an-hippivol-a Will.
yrallsta penitalis rote Exorista vullgaris Fa It.
I I ypostena variabilis Coq.
Panzeria, penitalis Coq.
Tborocera comstocki Hill.
Pyrrharctia isabelha S. I Tachina mella I'Valk.
R.etillia sp ----------- kdtiioutia retina, Coq.
Schizima ipouiuw Doitbl ---------- ;turniia schizurw Coq.
Schizura unicornis S. 1'- .1 ------- Fmitina freucIlii Il'ill.
Suicrinthus verisyi Kh-by -------- Fmitina frenchii 11-ill.
Splihigid ----------------------- disthicta H'ied.
Taoniocampa, ruluht Grote Cliwtog-wdia crebra r. d. IV.
Telea polypheinus (.Yam --------- Froiitima I*miclili lVill.
Whitlieniia 4-pustulata Fabr. Theclamitolycus E'dw. Exofista ppste fG11k.
Tliecla calanus Jbieb ------------- Exoi-i,,4a cotifinis F01.
Tortrix citrIan.1t Fer)o ------------ Pboi-occra parvL Bigot.
rortricid ------------------------- Exorista pysto lValk.
llypostcua tortricis Coq.
Pliorocera tortricis Coq.
Vanessa, intiopa Liwyi ----------- *Eupltorocera cl.iripenili's 31(tc.q.
Frontina violejifit H'alk.
Phoroccra dorypltorw Riley. Vanessa milberti Godt ........... Ityphantroplial(,ti hyphantrhe Town.

CLASSIFICATION.

Probably iio sillo-le family of Diptera has received greater consideration in. Eurcllw Ulan the Tacbini(la,7 -and yet, strangre.A. ; this may seem, iio o 'lier family at the preseiit time is in L)-reater disorder. Several authors accord theni only subfi-imily rank, but it appears desirable to consikler tbein as a distinct family, .11thou(ji their relationsbil) to the Dexid,e and Sarcopliagid,( is ,,t very intiiiiate one. They iii-iy be recognized by the bare, or at least never pluniose, anteiiiial arista. They are coniinonly divided into live subfainilies, and these have by one or two writers even been 1tecorded family rank. The characters employed in separating them are as follows:

Abdomen destitute of stout niacrochvtw:
With only four abdominal seolmellts ---------------------------- Gymnosoillhue.
With five or six abdomimil segmeiits -------------- ------ as w.
ZI) _____P 1, in
Abdomen bearing, stout niacroch-wtw:
With oifly foiir abdominal segments ---------------------------- Tachiiiinw.
With five abdomitial segmejitsAbdomen not clavate ------- -------------------------------- P11"111ili'v.
Abdomen clavate, narrow at the base ---------------------- ()cypterin,







This, o1assiflcatlon looks y "iCe (M Paper7 bnt when we under01 -.(, to appl it to the specilliells flielli'selves, t1lell tile difficulty arise's. lit tlie first qd.we' ill sj)ccivs the maeroo-b-,etw -ire so reduced iii size tliat it is no easy matter to dedde as to whether they should be considered as macrocbata' or simply as bristly hairs. Theii again, the males of -,;evcnil species have five visible abdominal se(nileilts, while their fcitiale, li.ive only four; and, converselN, the females of a feNNspeeieg 11,1ve alld their males only four. This diffe-i-euce, is due to the (rre.tter or less developmeii t of ivliat. in those, witli only four abdomMal is I'lle first se-.1lielit of, tile cr aild as this varies
ill size iii the different sl)ecles, It i's ]lot 0,1SY to decide :-ls to wbetlieir to regard it as belot)(Jiip to the o'cintalia or a,-, forming a. distillCt (11)(1011liMll 14" -'Il lell t. Ill ;It lea".4 olle (11cilly(I'O, flie f0iii-th abdomimil sel(rinent is so vedticed ill size is to appear as a, I)art of the, geidt'alii. md thus flicre arc.ippareiitly mily f-hi eea[.)domiim1 sep-tients. Tliese differeitees, therefore, are fl(welopmeiit.il rather than structural. If tilcre were diflcrelices ill litbits betwecii fliese subfamilies there Would tilcl) I)c sollic re.tson fiw retaliiiiig divisions, Imt the differg o1it fluit tliv\ fiardlv either into tl)is, coitsideiation. Tlms- the Tachhiiimare known toittacl'. tile Ilymeml)tera, Lepidoptera, I) i I) ter, 0 te r: 1. 111(1 ( )rt I io I) ter;i, I) lit not the 11 ein j I) tera ; tlie. P I ia,411.1. and OcYptei-ill [' -Itt-m-k tlie Coleopteni, Ortllol)tei-a, aiid I lemij)tera': the the I leillipter.l. oilly, "I'lid fliel"llaiiiiiw tlieColeol)tera. Tt will thiis Nseen that '111 of' these. Silbl"I miles, Witli file exceptioll of file GN-111110SO111111,1" att-m-11-. Coleopter'l; fliat ,ill excel)t the Taclihilim, I Ild pn_ Ylll)()ii Ilie 11citill4ent while die Tachim lilt,
is the only cme 11-MoNvil to attack the 11N-Il1('1lol)tei'a,, LepidolAer.-t. :md I )iptera. Til Iwilit of lillillbers the 'I"wilillill'o outiluillber all of tile otlier slibfillilillie.s plit lo. '-etllcr bY It h"I"t fifteell species to olle, a Ild to this f,.A,(,-'t alone is al)pareiitl. due tile gi eater (LN-ersit 0'ard to t1wil. bosts.
The itiost recent atteml-)t if I cl- Issific:ltioil of tile Tocllillid(v of tile
-\vorld is by 11nmer and Bergviistimm, ot' N'lemial Aiistria. These antliors, who are liew worl\('ns ill tills field, had access to tho types of 1110stof the sj)ecics described Wledemami, Sc1iMerRoi)danl,
J ae-ii nicke. mid sevei-,d bly _Macqu:irt. mid their figures aial redes-'el-ij)tions of maiiy ol'the spvcics c:in iiot hiit lwove to be great aids toftiture studelits of this groilp. lit the first part of their work' they threw together in ()lie inass tile ffi-c families: (E.strid.c. Tachiiiidv, Dexid-e, Sarcopbawi(b,, md Ahiscldw, mid out ol'this cliaotic mass tileN- elected fifty "re families, i\-hieh Nvere duly given I'aillily names; but tliis classification did not prove satisfactory to tlje alitliors, so in the third or last part of their systematic work theY a,_),'ant t'llrew all flie families into one and divided it itito sixt!j groups, w1iiell, they call sections.
...... ... ..
'Publislied in the J-)enkselirit'ten (ler
derKaiserlieben Akadenlie der Vissensebiften for 1889.








So far as our own fauina is conceeiied, the species, are too nearly related to one another, -both structurally and also in, recrardl to their habits, to perinit of being separated into stnai~er groups with any degreee of satisfaction.
TERAIS USED I-N DES,,-CRIBING TACIiN~I)-A,.
Only a Feaw terms employed in the p~resenlt wokwill require all explanation, since iii most cases the terms used ini des44utatig the various parts of the speciniens are the same, as, those emptloyedl iii the therL departments of t' omllolgy. The terniin w((UFo~vh ( is 15 sed to designate the stout bristles which arise from a ('onvex anid usually polished1 base; ibey a-re reguflrl arrang~ed in. pall's rows, Or otherwise, and. affor-d excellent specifics. anid s muetimes even, Ueieric characters. Tple frontal bristles are coiipsed of two 1-()\\- of suc(11 il.,leroclul'tiU which (descend fioIu the very t op ()1 t lie hlead to o)I below the insert ion ()t the( antenna.e. The o(.llaI' hriN/lrs 'Ire comit llw 4)f a pair. otf 1lcr)ch(1eta. placed anioiig the ocelhi, but thiey are ab sen t in seve ral species. The or-biti bristles are two ori more pairs o)f h*6rw. rdly d 1irer-ted miacrocliativ, situated, between. the fronital brnistle,, an~d the eyes; they are itsually p~resenit ill female specimens, and sm illetilInes also) ill the Itiales. B1enleath t"He afInteiiiiv is a cavity kiiow\ii as the fa1*cialdcrcsin bounded oil. the sides by the lawi ridy(,8; at the lower ends of the rogsis a pair of nuaroocha't ;i called the vih,'88sa'. The c-hcr(ks are between the lower elids of thie eyes and tile opening of the mouith. Tfle an ten KU,
-is well as their two) arista',, -ire t],NaYs coiliseol of three Joints, but sometimes the basal Jollit is extrml 1II1YShort.
)it the thorax the two rows of inacroichaet ill the middle ofr the dorstun. ,are kniowni as5 (ros/i('ha/ anid the next two rows" are, the (lorsal, auIthoug-h these lout' rows are-(, sometimes called the (l0,so-t-('(als.; these rows usually extendi the entire length of the thorax, those inl front of the transverse sttre being~ called the prwsthral and those behind it thiepostslltural; but when. tie latter terin is used iii the accoinpanyin gr pag-es it applies to those in, the outer rows only. The row onl either side~ of these four is called, the inira-alar; this row sometimes extends1 ill front of the transverse suiture by a single macrochieta which has received the niamte of the prws U t( d iut ra -ala r bri stle. (-)ne Eu-tropean author, Mr. Girschmer, proposes to separate the Tachnda' into two groups according to whether- this bristle is p~resenlt or ab~sent, but in somne of our species it is present in some specimens but absent iii others thiat belong to the samiie species; this character, therefore, is not of specific, much less of subfamily, import-ance. The stern~opleiral inacrocliaeta- a,.re situated on. the upper part o)f the transverse, imore or less triangular, piece located on the sides of tile thorax between the front and i(I dle coxa-1; when only one is present, this is the lposterior; when. two, these are, the anterior anol theplosterior: when three, two are in front and one b),hind ; andi~ when fo)ur, these are ini a dlowniwardly curving row.
Tihe macroehmtw ou the dorsumti of' the abdomen are called discat





30

when situated near the middle of the length of the segment, and marginal when located near its posterior margin.
The veins and cells of the wings are called by the same terms as inll the other families of D)iptera, except that the first posterior cell is commonly called the apical, alndl the portion of the fourth vein beyond the bend is sometimes termed the ((pical crossrcin.

TABLE OF GENERA.

The only attempl)t at publishing a synoptic tabl)le, comprising all of the genera repl)orted as occurring in North America, is that by Mr. C. I. T. Townse md, in the Proceedings of the Entomological Society of Washington and in the Transactimons of the American Entomological Society.2 That in the former publication is a reprint of the table given by Dr. Schiner,3 and that in the latter a reprint of the one by F. M. van der Wulp, both modified so as to comrise only the North American genera. As the author did not have access to specimens of many of these genera, and as the characters he uses are in many cases nit of specific, much less of generic, value, the result is not altogether satisfactory, and I have therefore constructed an entirely new table,
which, however, includes only those genera from America north of
Nexico of which I have examined representatives. A list of the remaining genera reported Ifrom this region is given at the end of the table.
In some cases doubt will arise as to which section a given genus should be referred, but in such cases, at least so far as they occur to the writer, the genus is placed in both sections:
1. Abdomen provided with true macrochet: ................................... 8.
Abdomen dlestitute of macrochatw, apical c.ll ending at or near the extreme
wing tip.................................................................. ---------------------------------------------------------- 2.
2. Upper side of abdomen very convex, abdomen subhcmiispherical, sides of face
bare ...................................................................... 3.
Upper side of abdomen flat, or the abdomen elongated amd cylindrical--....... 4. 3. Antemna not reaching lower third of face-----------------.................... (p. 42) Ci8togaster.
Antenmna reaching lowest lifthli of fice, or even lower ........ (p. 43) Gymnosoma. 4. Hind tibiw outwardly not ciliate with scales...... -------------------.......................... 5.
Hlind tibia- ciliate with nearly erect scales, sides of face bare..(p. 47) Trichopoda. 5. Sides of face bare........................................................... 6.
Sides o fa te bristly, third and fourth veins almost equally converging toward
their tips, which meet or almost meet each other.-......(p. 149) (ynnophania. 6. Proboscis at most slightly longer than the head, geniculate near the base onIl,
antennw at most reaching slightly below miniddle of face, apical cell closed, the petiole at least twice as long as the small crossvein------------------....................--- --.... 7
Proboscis bristle like, almost as long as the body, geniculate near the base and
also near the middle .....................................----------------------------------... (p. 49) Eusiphova.

IVol. II, pp. 92 to 99; April 2, 1891.
Vol. XIX, pp. 134 to 141; June, 1892.
Fanna Anstriaca, D)iptera, Vol. I, pp. LXX to LXXI; 1862. Biologin Centrali-Aminericana, Diptera, Vol. II, pp. 5 to7, and 41 to44; 1888 and 1890.







31

7. Sides of front hairy except a narrow space along each eye .....(p. 44) Alophora.
Sides of front bare except two or three rows of hairs along each side of the
frontal vitta-----------------------------------------...............................................(p. 43) Phoranlha.
8. Palpi present, well developed ...........................................-----------------------------------------.... 17.
Palpi absent or rudimentary, facial ridges never bristly on more than the lowest
fourth, first vein bare ..................................................----------------------------------------------.. 9.
9. Eyes bare, or with indistinct, short, sparse hairs............................ ---------------10.
Eyes distinctly hairy, apical cell ending far before the wingtip, sides of face
bare, upper edge of third antennal joint concave ..........(p. 86) Linnwrmyia.
10. Face on the sides bearing hairs or niacrochaette. -------------------------- 11.
Face on the sides bare ..................................................-----------------------------------------------... 14.
11. Head at the vibrisse as long as at base of antennau, apical cell ending far before
the extreme wingtip ..................................................... 12.
IHead ait vibrisse much shorter than at base of antenn e, sides of face bare except
the row of three or four macrochaetie on each; apical cell ending close to the extreme wingtip ......................................----------------------------------(p. 126) Atrophopalpus.
12. With one or more stout macrochtette on each side of face near lower end of the
eye..................................................................--------------------------------------------------------------.... 13.
Without such macrochaettv, body very robust .................---------------- (p. 145) Epalpus.
13. Each side of the face bearing one macrochaeta, body slender.- (p. 139) Trichophora.
Each side bearing two or three macrochaette, body robust --....- (p. 140) Cuphocera. 14. Proboscis at most only slightly longer than height of head----------------.................. 15.
Proboscis over twice as long as height of head, head at vibrissie longer than
at base of antenme, apical cell ending close to the wingtip .....(p. 73) Bcskia. 15. Horizontal diameter of head at the vibrissae as long as at base of antennme...- 16
IHorizontal diameter of head at vibriss;e much shorter than at base of antennme,
apical cell open, ending considerably before the extreme wingtip.. (p. 66) Erria. 16. Apical cell open, ending at the extreme wingtip ................ (p. 67) Apinops.
Apical cell closed, its petiole longer than the small crossvein, ending far before
the extreme wingtip------------------------------------.........................................(p. 86) )cyptera.
17. First vein bare .........................................................------------------------------------------------------... 30.
First vein wholly or partly bristly, two or more pairs of frontal bristle below
base of antenna, vibrisswe nearly on a level with front edge of oral margin, antenne reaching at least to lowest fifth of face.......................... ---------------18.
18. Eyes bare or with indistinct short sparse hairs .............................------------------------- 20.
Eyes distinctly hairy, head at the vibriss;a noticeably shorter than at base of
antenna, sides of face bare, apical cell open.............................. ---------------------------19.
19. Facial ridges bristly on more than the lower half, third vein bearing from one to
three bristles near its base.......................... -----------------------------....... (p. 65) Hypochawta.
Facial ridges never bristly on more than the lowest fourth, third vein bristly
more than halfway from base to the small crossvein ...... (p. 90) Exoristoides. 20. Diameter of head at vibrissa- as long as at base of antenne ................ --------------26.
Dl)iameter of head at vibrissai noticeably shorter than at base of antennae .... 21. 21. Tip of apical cell far before the extreme tip of wing....................... --------------------23.
Tip of apical cell at or close to the extreme tip of wing.................... --------22.
22. Penultimate joint of arista over three times as long as broad, facial ridges never
bristly on more than the lowest fi th----------------------.........................(p. 57) Plectops.
Penultimate joint of arista not, or only slightly, longer than broad, facial ridges
bristly on at least the lower half----------------------..........................(p. 59) Chatophleps.
23. Apical cell open ........................................................-----------------------------------------------------... 24.
Apical cell closed and long petiolate.....................----------------------..... (p. 126) Afetach('ta.
24. Sides of face destitute of rows of macroch;t;e ............................. 25.
Sides of face each bearing a row of macrochat-e which descends almost to the
lower end of the eye .................................. (p. 127) Ch(ttoplagia.









25. Bend of fourth vein furnished with at long appendage, hind crossveiu unusually
oblique, lowest front bristles directed downwvardl, proboscis thick, fleshy,
label --arg-------------------------------------------- (p. 78) Plagia.
Blend of fourth vein destitute of an appendage, hind crossvein nearly at right
angles to the fourth vein--------------------------------- (p. 118) Houghia.
263. Fourth vecin ending at or close to the extreme tip of wing ----------------- 27.
Fourth veini ending less than hialfwaiy froul tip of second vein to thle extreme tip
of 1\illg, proboscis slender, labelLi vecry small, lowest frontal bristles directed
---w-rd -------------------------------------------- (p. 78) Siphoplagia.
27. Th'lird vein bristly at least ahuiiost to the small crossvein, proboscis at most only
slightly long-er thimi high-t of hecadl----------------------------------- 28.
Tllrd vein br-istl v on less than one-third of the (listanco from its baise to thle
sinall crossveilI, proboscis twice as bugn as hecight of' head -(p. 74) 'pigriiut. 28. Arista pubescenit, tile longe-(st srIl al s long, a~s th reatest diameter of
t le arista -------------------------------------------------------------- 29.
Arista bearing -short hairs, tile longest of which are slightly longer than its greatcst dliaimeter-------------------------------------------- (p. 67) LeskLima.
219. Virontal \-i tta next the( -mctrvn~uiearl y four tines as wide as either side of the
front, third vein zwNver bistlY to time suiall crossvein, scutelluln bearing only twvo pair)f long, uaginalnmaroch;atta-------------------(p. 59) Lasioneura.
rentala vitta next the :1ntenia'i ait umiost twNice as w\ide( ,is either sidle of the front,
third vein b)ristly aluuost to its, ip,1 scutelitm beailng three pairs of long mnarginial niucrocha'ta' --------------------------------------------- (p. 58) A ctihI
.W1. [ace onl time lower half )If its sidec bare -----------------------------------79.
Falce b~earling- nzcoh )tL r lbristlY hairs on at least a portion of the lower half
of its sides------------------------------------------------------------ 31.
31. Tipk of1 apical ce, ll' arbefre the- extre ip of wing [)f 11r-----------------------40.
Tip) of ap1ical cell ;it or loeto theejrell tip of 'wing, p)roboscis beyond the
haisal articulation aIt ioit only sliglitly longer tbain height of head --------:32. :32, Abdomien stboame)i11, p):irtly- ori wholly covered w ith grayish p)ollen---------.33.
AJhdOllnen ;lrgely oItr wholly siing ;11I ( e~tituto of - ii(p. 50) A Pyiophu~ia. 33. EyeN-(s batre, or- %\ ith indistinct, short, sparse haiis---------------------------34.
Eve-s i st in ct Il hairy, anitennai ;11S long as the face, facial ridIges never b)ristly
on1 mo1re thani tile lowest I'ommtli----------------------------(p. 52) Euia8ioua.
3-1. FrontA l)ristlcs to the, number or froi one to three paiirs Leneath base of antenna' ; ntnA'a least three-fouirths as lozig ais thme f'ace-------------------..37.
Frontal bristles not detsceniuig lwmmeatli baise ol' a utenna' ; antenuma' less than ltw othirds ais long aIs fae h~eek twov-thirdls ais abroad ais eye-heighL (p. 51) Phyto.

3)7. irlst posterior Cell openi, o)r, if' closedl, short petiolate------------38.
First posterior cell clo(sed andi~ lonig petiolate, the petiole as long as the hind
crossvein, third vein lbristly\ ailiiiost to the small ('rossvein..- _. (p. 51) Mauromyia. 38. ThirdI veini never bristly on itiore thamii one-fourmth of the distance from base to
small Cr-os.svein, iics o)f Thee de(stliute of iwacrochuetw ---------------------39.
Third veini bristly at least three-fourthis of distance from base to the sniall, crossvein, s~des of face bearing xnacroch-,taz- -------------(p. 52) Ceratwmyiella.
39". Face in profile strongly conivex, orbital bristles usually present in both sexes,
front tairsi of feinale generally'% dlahted---------------------- (p. 53) Adinwntia.
Face in profile concave, orbital bristles wanting iii the male, front tarsi slender
in both sexes---------------------------------------- (p. 52) Cryptomeigenia.
40. Eyes bar'e, or with indistinct short sparse hairs ----------------------------49.
Eyes distinctly hairy -------------------------------------------------- 41.
41. Sdso aebaigsotnarcaa,~tlatna oe n fec y 5
ti~les of fajce destitute of uacroehawt&.....................,,... 42.




4

33

42. Macrocha~tw of second segment of abdomen covering more than its apical half. 44.
Macrochete of second segment, when present, confined to the typical fifth of this
seg(rment ..............................................................----------------------------------------------------------... 43.
43. Cheeks over one-third as broad as the eye-height----------............. (p. 50) Myiophasia.
Cheeks less than one-sixth as broad as the eye-height-------........(p. 124) Winthemia.
44. Third joint of the anteniin;e almost straight on the front edge, the apex subtruncated .................................................-------------------------------------------(p. 145) Bombyliomyia.
Thirdjointstrongly convex on the front edge, the opex rounded.(p. 147) Jurinella. 45. Posterior end of hind crossvein nearer to the margin of the wing than to the
small crossvein ...............................-----------------------------------.......................... 46.
Posterior end of hind crossvei at least twice as far from the margin of the wing
as from the small crossvein, third joint of autennw less than three times as long as the second--------------------------------................................. --..... (p. 78) Cyrtophlwba.
46. Facial ridges never bristly on more than the lowest fifth ................------------------... 47.
Facial ridges bristly on at least the lower half, third joint of antenmne about
three times as long as the second, apical cell open .......... (p.136) Gwdiopsis.
47. Last joint of antenne at least live times as long as the second.............. 48.
Last joint scarcely longer than the second, penultimate joint of arista broader
than long .................................---------------------------------............. (p. 125) fMuscopteryx.
48. Penultimate joint of arista at least three times as long as broad, third joint of
antenname of male divided lengthwise into two parts, two pairs of orbital bristies in both sexes .......................................------------------------------------.... (p. 137) Dic.tocera.
Penultimate joint at most slightly longer than broad, third joint of antenum
entire, male destitute of orbital bristles.............---------------... (p. 126) Paradidymnta.
49. Ocellar bristles present-----------------------------------------------.................................................... 55.
Ocellar bristles wanting ................................................... 50.
Ocellar brsls-atn------ ---------------------------------------50
50. Vibrissa inserted near lower edge of face............................ ------------------------------...... 51.
Vibrissaw inserted near the middle of the face, cheeks broader than the eye height.
(p. 138) Microphthalmna.
51. Sides of face destitute of macrochata ....................................----------------------------------... 52.
Sides of the face each bearing two or three stout marochatwa on the lower part.
(p. 140) Peleteria.
52. Second segment of abdomen never bearing more than six marginal macrochetas.
(p. 141) Archytas.
Second segment of abdomen bearing at least twelve marginal macrochatie.. 53. 53. Palpi gradually thickening from the base outwardly, proboscis shorter than
height of head.....................................................------------------------------------------------...... ----54.
Palpi thickened on the apical three-fourths, proboscis beyond the basal articulation at least one and one-third times as long as height of head.. (p. 146) Dejeania. 54. Outline of abdomen subquadrate, the apex deeply emarginate.
(p. 146) Paradejeania.
Outline of abdomen conical, the apex not distinctly emarginate.. (p. 146) Jurinia. 55. The ocellar bristles directed obliquely fobrward.........................---------------------------..... 57.
The ocellar bristles curving backward, very robust.......................... -----------------------56.
56. Front opaque, the vitta deep brown or black .............. (p. 134) Spallanzania.
Front shining, largely semitranslucent yellow, the vitta light yellowish.
(p. 132) Godia.
57. Apical cell open, or, if closed, the petiole less than two-fifths as long as the hind
crossvein ................................................................ 58.
Apical cell closed, the petiole at least two-thirds as long as the hind crossvein.
(p. 126) Phorichawta.
58. Last section of fifth vein less than half as long as the preceding section ...... 61.
Last section of fifth vein almhnost as long as the preceding section, hind crossvein
nearly midway between the small and the bend of the fourth ............. 59.
3359-No. 7-3






34 "

59. Sides of fe destitute of stout macrochat ie ................................. 60.
Sides of face hearing one or more pairs of stout, downwardly curving macrochutie
below the lowest frontal bristles, arista thickened on the basal three-fourths.
(p. 77) Paraplagia.
60. Arista thickened almost to the tip, third vein bristly nearly to the small crossvein....................................................------------------------------------------------...(p. 77) Metaplagia.
Arista never thickened to the middle, third vein bristly less than halfway to thei
small crossvein .......................................------------------------------------....(p. 76) Heteropterina.
61. Facial ridges bristly on less than the lowest fourth ......................... 63.
Facial ridges bristly on at least the lower half-.............................. 62.
62. Penultimate joint of arista over twice a; long as broad, bend of fourth vein
destitute of a distinct appendage ........................ (p. 137) Cha~togwdia.
Penultimate joint of arista shorter than broad, bend of fourth vein with a distinct appendage--------------------------------------...............................................(p. 127) Araba.
63. Antenna' reaching only slightly below middle of face ...................... 64.
Antenna' reaching to or below the lowest fourth of the face ................ 72.
64. First posterior cell open .................................................. 65.
First posterior cell closed, the petiole as long as the small crossvein, cheeks twothirds as broad as the eye height, facial ridges nearly parallel, sides of the face at narrowest part each as wide as the median depression. (p. 132) Etthyprosopa. 65. Abdomen subopaque, partly or wholly covered with pollen ................. 66.
Abldomen shining, destitute of pollen---------------------........................ (p.50) Myiophasia.
66. Vibriss+v inserted at least the length of the second antennal joint above the
oral m argin ............................................................. 67.
Vibrisse inserted half the length of the second antennal joint or less above the
oral margin ............................................................. 70.
67. Frontal bristles not descending below base of antenna .................... 68.
Frontal bristles, at least two pairs, situated below base of antennae, vibriss,
near middle of face, cheeks broader than the eye height.(p. 138) Mficrophthalma. 68. Cheeks less than one-half as broad as the eye height, sides of face destitute of
nIacrocih;t .................................................6.......... 69.
Cheeks ahnost as broad as the eye height, sides of face bearing a row of macrocha't- ......................................................... (p. 51) Phyto.
69. Small crossvein beyond the tip of the first vein ............... (p. 80) Senotainia.
Small crossvein far before the tip of the first vein............. (p. 138) Amobia.
70. Third joint of antenma at most but slightly longer than the second, sides of the
face destitute of macroch a. t ............................................. 71.
Third joint more than twice as long as the second, antennae two-thirds as long
is the face, sides of face bearing a row of macrochut ... (p. 131) Brachycoma. 71. Second joint of arista over twice as long as broad .......... (p. 143) Echinomyia.
Second joint at most only slightly longer than broad ........... (p. 138) Amobia.
72. Face bearing inmacrochrte at least near lower ends of the eyes.. ...... ...... 73.
Face destitute of miacrochatr; on its sides ............................... 76.
73. Head at the vibrissa, as long as at base of antennae third joint of antenna less
than twice as long as the second ............. .......................... 74.
Head at the vibrissw much shorter than at base of antenna ................ 75.
74. Hind crossvein much nearer to the bend of the fourth vein than to the small
crossvein ........................ .....................(p. 131) Brachycomna.
Hind crossvein at most only slightly nearer to the bend than to the small crossvein ....................................................... (p. 130) Tricogena.
75. Facial ridges almost parallel, sides of face at narrowest part each nearly as wide
as the median depression. ..-................................. --------------------------(p. 128) Opsidia.
Facial ridges widely diverging below, sides of face each less than one half as
wide as the median depression .. .......................... (p. 127) Metopia.







35

76. Last j.oint of antennae at least twice as long as the second.............. ----------------.... 77.
Last joint at most only slightly longer than the second .....(p. 143) Echinomiyia. 77. Second segmiient of abdomen bearing at most only two marginal macrochieta',
hind tibia, not ciliate.-...............................................---------------------------------------------..... 78.
Second segment bearing at least four marginal macrochteta, hind tibi,, outwardly densely ciliate with tIlattened set ....-------------. (p. 123) Blepharipeza.
78. Diameter of the head at the vibrisse much shorter than at base of antenna,, third
joint of the antennme at least two and one-half times as long as the second.
(p. 128) Hilarella.
Diameter of head at the vibrissie as long as at bas-e of antemine, third joint of
antennte less than twice as long as the second----------............(p. 131) Brachycomia.
79. Proboscis beyond the basal articulation at most one and one-fifth times as long
as height of head......................................................--------------------------------------------------.. 81.
Proboscis beyond the basal articulation at least one and one-third times as long
as height of head, eyes bare ...........................................-----------------------------------------.... 80.
80. Apical cell ending at or close to the extreme tip of wing................... ------------82.
Apical cell ending far before the extreme tip of wing, proboscis geniculhite near
the base only...........................................................-----------------------------------------------------.. 81.
81. Ridges of face bristly on at least the lower three-fourths, apical cell closed, the
petiole longer thanti the small crossvein ...................(-----------------(p. 79) Chtoglossa.
Ridges of face never bristly on more than the lowest tifth, apical cell open.
(p. 85) Aphria.
82. With only one geniculation in the proboscis, situated near its has.---------........ 83.
With two geniculations, one near the base and the other near the middle, facial
ridges never bristly on more than the lowest fourth.......... (p. 75) Sipliphona.
83. Facial ridges bristly on at least the lower half---------------................. (p. 73) lsoglossa.
Facial ridges never bristly on more than the lowest fifth .....(p. 74) Epigrinyia. 84. Abdomen bright green or bluish green, facial ridges never bristly on more than
the lowest fourth, eyes hairy .................---------.......---------------- ...(. 89) Gymnochatta.
Abdomen black or more or less yellowish.
Apical cell ending far before the extreme tip of wing ..................... 85.
Apical cell ending at or close to the extreme tip of wing ................ 129.
85. Last section of fifth vein less than one-half as long as the preceding section.. 87.
Last section of fifth vein almost as long as the preceding section, bend of fourth
vein with a long appendage, eyes bare or with indistinct, short, sparse hairs, ocellar bristles directed obliquely forward ............................... 86.
86. Bristles of facial ridges confined to their lowest third-----......(p. 76) Heteropterina.
Bristles ascen(ling at least to upper third of the ridges.. (p. 77) Plagiprospherysa. 87. Ocellar bristles when present directed obliquely forward .................... 89.
Ocellar bristles curving backward, apical cell closed and petiolate.......... ---------88.
88. Penultimate joint of arista over four times as long as broad, facial ridges bristly
on more than the lower half...............................-----------------------------. (p. 79) D)istichona.
Penultimate joint shorter than broad, facial ridges never bristly on more than
the lowest fifth............ ......------......-......-...........------------------------------. (p. 68) Leucostoma.
89. Eyes bare, or with indistinct, short, sparse hairs......................------------------------..... 99.
Eyes distinctly hairy ----------------------------------.................................. ..----------------.......... 90.
90. Second segment of abdomen bearing at most only three pairs of macrocha-ete in
the middle of the dorsuin...... ........................................-------------------------------------------.. 91.
Second segment thickly covered with macrochtetae on at least two-thirds of its
length ..............................................------------------------------------------... (p. 145) Bombyliomnyia.
91. Facial ridges never bristly on more than the lower half ...................... 94.
Facial ridges bristly on at least their lower two-thirds ..................... 92.






36

92. Front destitute of backwardly curving miacrocharta' outside of the two frontal
rows ........................................ .........................------------------------------------------------------------.. 93.
Front in e.feh sex bearing two or three pairs of backwardly curving macrochaet outside of the regular frontal rows ............. (p. 116) Pseudocheta.
93. Bend of fourth vein bearing a long appendage or distinct fold. (p. 101) iEuphorocera.
Bend of fourth vein destitute of an appendage or fold........ (p. 102) Phorocera. 94. Sides of face at narrowest part less than one-third as wide as the median
depression ------------------------------------------------................................................ ............... 96.
Sides of face more than one-half as wide as the median depression .......... 95.
95. Head at the vibrisse much shorter than at base of antenna', bend of fourth vein
destitute of an appendage............................. (p. 89) Macrorneigenia.
Head at the vibrissae' as long as at base of antenoe, bend of fourth vein bearing
an appendage .............................................. (p. 89) Metaphyto.
96. Diameter of head at the vibrissea much shorter than at base of antennaew, bend of
fourth vein destitute of an appendage................................-------------------------------... 97.
Diameter of head at the vibrissae, as long as at 1)5e of antenl-e ............. 98.
97. Frontal bristles descending at least to last third of the second antenual joint.
(p. 91) Exorista.
Frontal bristle not descending below the base of the second antennal joint.
(p. 64) Macquartia.
9. Base of fourth vein bearing a long appendage; second and third segments of the
abdomen destitute of discal macroclhatta .....................(p. 87) emorawa.
Bend of fourth vein at most with an extremely short applendage, second and
third segments of abdomien bearing dismal mIacrocht ..---.... (p. 88) Panzeria.
99. Antenow reaching at least the lowest fourth of the face .................... 110.
Antennwe not reaching below the lowest third of the face .................. 100.
100. Vibrisse at less than one-half the length of the second antennal joint above
the level of the front edge of the oral margin.......................... ----------------------108.
Vibrissw, inserted at least the length of the second antennal joint above the level
of the 'front edge of the oral margin ................................... 101.
101. Lowest frontal bristles below middle of the second antenual joint........ 13.
Lowest frontals not below base of the second antennal joint.............. 102.
102. Cheeks less than one-third as broad as the eye height, arista never thickened
on more than the basal third ........................................... 103.
Checks almost as broad as the eye height, arista thickened nearly to the tip,
abdomen shining, not pollinose .........................(p. 85) Jfelanophrys.
103. Frontal bristles in two rows ............................................. 104.
Frontal bristles in four rows .......................... (p. 79) PachyophlthamIn8.
104. Diameter of head at the vibrisswv as long as at base of autennw, lower front
angle of the third antennal joint not prolonged in the form of a tooth.
(p. 80) Senotainia.
Diameter of head at the vibrissaw much shorter than at base of antenna, lower
front angle of the third antennal joint prolonged into a sharp tooth.
(p. 115) Acemyia.
105. Ocellar bristles present, directed obliquely forward ...................... 106.
Ocellar bristles wanting ...................................... (p. 81) Belvosia.
106. Hind tibiw not distinctly ciliate outwardly .............................. 107.
Hind tibiae outwardly ciliate with bristles, apical cell open -...... (p. 83) Atacta. 107. Apical cell open ............................................... (1). 81) Biomyia.
Apical cell closed and short petiolate .................. (p. 81) Pseudotractocera.
108. Pair of lowest frontal bristles not below base of second antennal joint.... 109.
Pair of lowest frontals below middle of second antennal joint, frontal bristles
in two rows-------------------------------------------..................................................(p. 83) Atacta.
109. Frontal bristles in four rows----------------------..........................(p. 79) Pachyophtth almus.
Frontals in two rows ....................................... (p. 122) Paraphyto.






37

110. Vibrisse at most only one-half the length of the second antennal joint above
the level of the front edge of the oral margin...... ..................-----------.. 113.
Vibrisste at least the length of the second antennal joint above the level of the
oral margin, frontal bristles descending below middle of the second antennal joint ............................................................-----------------------------------------------------------...... 111.
111. The ocellar bristles present, directed obliquely forward, facial ridges never
bristly on more than the lowest fourth........................... ------------------------------...... 112.
The ocellar bristles wanting, facial ridges bristly on at least the lowest third.
(p. 84) Belvosia.
112. Outer side of hind tibie distinctly ciliate with bristles---------..........(p. 83) Atacta.
Outer side of hind tibie not ciliate------------------------............................(p. 81) Biomyia.
113. Lowest frontal bristles below the base, and usually beneath the middle, of second antennal joint ..............................................-----------------------------------------------..... 116.
Lowest frontals not below base of second antennal joint-----......-...........---------- 114.
114. Facial depression destitute of a median carina .......................-------------------------... 115.
Facial depression with a high median carina, apical cell closed, the petiole
twice as long as the small crossvcin ........................ (p. 120) Euthera.
115. Cheeks about as broad as the eye-height ..............----------------....(p. 85) M[elanophrys.
Cheeks less than one-half as broad as the eye height.
Lower front corner of the third antennal joint produced in the form of a
sharp tooth..........................................--------------------------------------... (p. 115) AJcemyia.
Lower front corner of the third antennal joint not produced in the form of
a tooth.
Head, viewed from in front, broader than high, arista bare, or nearly
so ..............................................-----------------------------------------(p. 128) Hilarella.
Head higher than broad, arista short haired... (p. 117) Vanderwidulpia. 116. Second segment of abdomen never bearing more than four marginal macroch~et................................................................. ---------------117.
Second segment bearing at least six marginal macrocha:etw, hind tibie outwardly ciliate with bristles....................----------.....--------------... (p. 123) Blepharipeza.
117. Hind til)iae outwardly ciliate with bristles ............................... 118.
Hind tibie not ciliate..............................................--------------------------------------------....... --123.
118. Bristles of cheeks covering at least the lower three-ftburths--------------............... 119.
Bristles of cheeks covering less than the lower half.... (p. 91) ITyphantrophaga. 119. Facial ridges bristly at least almost to the middle.................... ----------------------.... 121.
Facial ridges bristly on less than the lowest fourth....................... ---------------------120.
120. Head at the vibrisse as long as at the base of antenme, proboscis slender, rigid,
the labella horny and not thicker than the proboscis.... (p. 83) Siphosturmia.
Head at the vibrissa much shorter than at base of antenna', proboscis robust,
fleshy, the libella soft ...................................... (p. 108) Sturmia.
121. With at least three backwardly curving bristles in each of the frontal rows,
abdomen largely or wholly opaque pollinose.......................-------------------------..... 122.
With only two backwardly curving bristles in each of the frontal rows, abdomen shining, destitute of pollen .......................... (p. 123) Parachwta.
122. Front bearing two or three piirs of backwardly curving macrochete outside
of the frontal rows, the anterior pair midway between the lowest ocellus and base of antenna ........................................ (p. 116) Pseudochata.
Front destitute of such macrochete ----------------------.........................(p. 105) Frontina.
123. Ocellar bristles present, directed obliquely forward....................... ---------------------124.
Ocellar bristles wanting......................................---------------------------------- (p. 84) Belcosia.
124. Bend of fourth vein destitute of an appendage.......................-------------------------...... 126.
Bend of fourth vein bearing an appendage or distinct fold .............. 125.
125. Arista distinctly pubescent, facial ridges bristly on the lower five-sixth.
(p. 117) Prospherysa.
Arista bare, facial ridges at most bristly on the lower three-fifths.
(p. 118) Tachina.
126. Diameter of head at the vibrissa:e as long as at base of antenn.----------.......... 127.
Diameter of head at the vibrisse much shorter than at base of antenna-... 128.






38

127. Ridges of face bristly on at least the lower two-thirds.....(p. 120) Tachinopsis.
Ridges bristly on less than the lowest third .............---------------..... (p. 120) Demoticu8.
128. Lower front corner of the third antennal joint produced in the form of a sharp
tooth ...................................................... (p. 115) Acemyia.
Lower front corner of the third antennal joint not produced in a tooth.
Vibrissae on a level with the front edge of the oral margin. (p. 113) Maaicera.
Vibrisse far above the level of front edge of oral mnargin.. (p. 81) Biomyia. 129. Eyes bare or with indistinct short, sparse hairs......................-----------------------.... 133.
Eyes distinctly hairy, tantennaie reaching at least to lowest fourth of the
face ................................................................... 130.
130. Frontal bristles not descending below base of second untennal joint; abdomen
largely or wholly opaque gray pollinose ................................ 131.
Frontal bristles descending below middle of second antennal joint-........ 132. 131. Cheeks nearly as broad as the eye height-----------------.................... (p. 64) Hfyalurgis.
Cheeks less than one-third as broad as the eye height ....... (p). 64) Macquartia. 132. Body shining, destitute of pollen...- ........................ (p. 64) Polidea.
Body partly or wholly opaque pollinose ........................ (p. 63) Didyma.
133. Frontal vitta opaque, abdomen of four segments besides the very short basal
one ................................................................... 134.
Frontal vitta shining black, abdomen of only three segments besides the very
short basal one .............................................. (p. 73) Iemyda.
134. Apical cell oplen, or with a petiole less than one-half as long as the hind crossvein ................................................................... 137.
Apical cell closed, the petiole almost as long as the hind crossvein ........ 135. 135. Abdomen sub:*ylindrical, nearly twice as long as wide, the second and third
segments destitute of discal macrocht ..... ...... ...... ............---------------------------- 136.
Abdomen subhemiispherical, only slightly longer than broad, the second and
third segments bearing disc:al macrochatt............... (p. 70) Hyalomyodes.
136. The ocellar bristles curving backward, small crossveiu before the tip of the
first vein ................................................. (p. 68) Leucostomna.
The ocellar bristles directed obliquely forward, small crossvein far beyond the
tip of the first veinll ................ ........-----------------......... -------------------...... (p. 69) Sciasma.
137. Palpi subcylindrical, less than one-half as wide as the proboscis.......... ---------138.
Palpi tiattened and unusually dilated, wider than the proboscis, penultimate
jointof arista almost one-half as long as the lastone--------......... (p. 57) Lispidea.
138. Penultimate joint of arista over twice as long as broad-----------------................... 139.
Penultimate joint of arista at most only slightly longer than broad....... 142. 139. Third vein at most bearing four bristles near its base ..................... 140.
Third vein bristly almost to the small crossvein ...........(p. 57) Thryptocera.
140. Arista slender on apical half of the last joint, third antennal joint entire in
both sexes------------------------------------------------------............................................................. 141.
Arista thickened to the apex, third anteniial joint in the male divided leugthwise into two parts ....................................(p. 55) Schizotachina.
141. Hind crossvein nearer to bend of fourth vein than to the small.(p. 55) JMdina.
Hind crossvein nearer to the small thau to bend of fourth vein (p. 55) Cla usicella. 142. Sides of face at narrowest part at most one-third as wide as the median depression, fourth vein entire ................................................. 143.
Sides of face one-half as wide as the median depression, fourth vein obliterated
beyond the bend-----------------------------------........................................(p. 66) Riacodineura.
143. Head at the vibrissw noticeably shorter than at base of antennrme .......... 144.
Head at the vibrissa as long as at base of antenne---------------------....................... 149.
144. Horizontal diameter of the occiput above the neck less than one-half as long as
that of the eye .....................................................--------------------------------------------------... 145.
Horizontal diameter of occiput above the neck as long as that of the eye, antenna
reaching at least to lowest fifth of the face, vibriss:e on a level with front edge of the oral margin .................................. (p. 65) Pelatachina.






39

145. With one or more pairs of frontal bristles below base of the second antennal
joint ...................------------------.----------------------------------------------............................. 147.
Without any frontals below base of second antennal joint................ -------------146.
1416. Occiput at most only slightly convex, body short and robust. (p. 70) (Estrophania.
Occiput strongly convex, body elongate and slender---------..........(p. 72) Eutrixa.
147. Front of male destitute of orbital bristles, venter of abdomen of female destitute
of short spines, third vein bearing at least two bristles near the base.... - 148.
Front in both sexes bearing orbital bristles, venter of female bearing many
short black spines on the second segment, third vein usually with a single bristle near the base .................-----------..................--------------------------... (p. 59) Celatoria.
14-18. Anteine not reaching below the lowest fourth of the face ..... (p. 81) Biomyia.
Antennae almost or quite reaching the oral margin---------...........(p. 60) Hypostena.
149. Arista bare, or very short pubescent .....................................------------------------------------ 150.
Arista bearing hairs which are as long as its greatest diameter, antennae reaching lowest fifth of the face ...................................-------------------------------(p. 66) Leskia.
150. Body short and robust .........----------------------------------------------..........................................- 151.
Body elongate and slender, antennae not reaching below the lowest third of the
face, apical cell closed and short petiolate --------.............(p. 72) Xallthomelana.
151. Tip of antenme not below lowest third of the face, frontal bristles usually not
descending below base of the second antemnial joint.................... ------------------152.
Tip of antenna at or helow lowest fifth of face, frontals usually descendiung
below base of the second antennal Joint ............................... 153.
152. Head over twice as high as long, occiput at most only slightly convex.
(p. 70) (Estrophasia.
Itead about one and one-third times as high as long, occiput usually strongly
convex ...... ................. ....................----------------------------------------- .......(p. 71) ('Clytiomyia.
15:1. Third vein bearing only two or three bristles near the base, head unusually
short.............................................-------------------------------------------------.......(p. 70) (Estrophasia.
Third vein bristly almost to the small crossvein, head not unusually short.
(p. 75) Siphojna.

UNRECOtNIZED (GENERA.


The following genera, which have been reported from America north of Mexico, together with the species referred to them, have not been recognized by the writer, or else the species belong to other genera: Baumhaaeria analis van der WAVulp, belongs to (Chaotogadia. Besseria ( Wahlbergia) breripen nis Loew. Nebraska. Chrysosoma n. sp. Brauer and Bergenstamm, Zweif. Kais. Mus. Wien, V, p. 407;
1891. (eorgia.
Clista americana Townsend is a synonym of Myiophasia olea Wied. Clislomorpha hyalomoides Townsend, Canadian Enitomiologist, Vol. XXIV, pp. 79 to 81; 1892. New York.
Cryptopalpus flaviceps Bigot, Rocky Mountains, and melanopygatus Bigot, Washington, Bulletin Soc. Ent. France, p. 141; 1887. Daocha la hamrceyi Townsend, Trans. Amer. Ent. Soc., Vol. XIX, pp. 97 and 98; 1892. Maine.
Eliozeta americana Brauer and Bergenstanmm, Zweif. Kais. Mus. Wien, V, p. 388; 1891. Georgia.
Euceromyia robcrtsonii Townsend, Trans. Amer. Ent. Soc., Vol. XIX, pp. 115 to 116; 1892. Southern Illinois.
Eucnephalia gonoides Townsend, Canadian Entomologist, Vol. XXIV, pp. 166, 167;
1892. New Mexico.
Eumyothyria illinoiensis Townsend, Trans. Amer. Ent. Soc., Vol. XIX, pp. 121, 122; 1892. Carlinville, Ill.






40

J'u8cLopoliL (lakolcngeis Townsend, 1. c., pp. 123, 124. South Dakota. Eribrissa americana Bigot, Ann. Soc. Ent. France, p.256; 1888. Washington. Ginglyrnia acrirosiris Town-send, Trans. Amer. Ent. Soc., Vol. XIXI p 118, 119; 1892. Constantine,MAich.
Goniochiwta plagioide8 Townsend, 1. c., Vol. XVIII, pp. 351, 352; 1891. Las Cruces, N. Alex.
Hein i tlrixion itw8triformne lirater and Bergenstamm, Zweif. Kais. Mus. Wien, V, p. 357; 1891. Coloradlo.
_llesperornyia erytiorocera Brauer and Bergenstamm, 1. c., IV, p. 114; 1889. Texas. Hirnantostonta sugeiis Loew. Illinois. Hypertrophocera parrape8 Townsend, Trans. Amer. Ent. Soc., Vol. XVIII, pp. :360, 361; 1891. Las Cruces, 'N. Mex.
Illigeria wio1ps Wkebelongs to Beskia; 1'. corytlius Walker, is Xatithoinelania ati-pcniis Say; and 1. kelym 118 Walker, belongs to "Metachwuta. Loewvia ntigrifros, ru 'ficoris, and giobo8a Townsend, appezir to be synonyms of JAfyio.plasia (l'nea Wied.
Lopli asia setigera rhomsn n, belongs to ('lausi celia. M!/qoth yria -a nderii lp ia To wnsend, belong$ to Ilypostena. 2Yeolractoccra anomala Towvnsend, Trans. Am. Ent. Soc., Vrol. XIX, pp. 105, 106; 1892. Las ('ruces, N. Me\I'arallypocliwta 1.eleroiieji a Brau er and Bergenstamm. Z weif. 1(ai s. Mnis. Wieni, V, p. 337: 1891. North America.
Pet eiia slylla Brauicr and Bergenstaum, 1. c., pp. 386, 387. Greenland. P/lasia a tripennis Say, belongs to Xanthomcelana. Podotaclina aimeri cania Braner and Bergrenstaim, is Tahinia mella Walker, and P.
riissata of the samne author-s is Euphiorocera claripeis Macquart.
Jl~linophora ralida and~ mexicania Townisend, Canadian Entomologist, Vol. XXIV, pp. 167, 168; 1892. Las ('ruces, N. 'Mex. Sarcocli'Oa (lakolcuii Towvnsend, Trans. Am. Ent. Sov., Vol. XIX, pp. 122, 123; 1892. South iDakota.
Slerciae Ipics Bigot, is Nan Iii nelana (11cu ala Say. T11ra gillettii Townsend, belongs to I araphyto. Try iplera ameic ana andi~ polldoides, rTovsend(, are synionymis of Polldea areo8 Walker. Nysla didymta Loew. Illinois.

SYSTEMATIC ARRANGEMENT O1F THE GENERA.

A linear arrangement of the genera of the Tachinidw, so as to indicate their iiatural relationship is quite impossible, owing to the fact that in several cases each of three genera is more closely related to a fourth than to any other genus, and in a linear arrangement it is, of course, impossible to place each next to the one to which it is nearest related. The following arrangement shows the relationship of the genera given in the preceding table perhaps as nearly as can be done in a linear manner. By this arrangement, those without strong macrociTtT on the abdomen are placed at the opposite end of the series to those having these macrochqetfe the most strongly developed:

Apical cell ending at or close to the extreme wingtip.
Abdomen destitute of macrochauaw.
Sides of the face bare.
Proboscis sh orter or only slightly longer than the head.
Hind tibi~p. not eiliate: Cistogaster, Gymnosoma, Phorant ha., A loploora.
Hind tibize outwardly ciliate: Trichopoda.
Proboscis longer than the head and thorax united: Eu~iphona.
Sides of face with bristly hairs: Gymnophanila.







41

Apical cell endiDg at or close to the extreme wingtip-Continued.
Abdomen bearing niacrocba t.e.
Sides of face with hairs or inacrocheta, on the lower half: Jfyiophasla,
Phyto, 31aurontyia, Crypto))zeigeitia, Ceratontyiella, E11](18iona, Ad))Iowtia.
Sides of face, on at least the lower half, baxe.
Proboscis shorter or only slightly longer than height of head.
Frontal vitta. opaque.
Vibriss.e on a level with the front edge of the oral margin.
Pentiltiniate joint of arista at least twice as long as broad: Medina, Schizotachina, Cfaitsice7la, Plectops, Lispidea, Thrilptocera.
Penultiniate joint of axista shorter or only slightly longer tlj;in ])road: -Actia, Lasionettra, Ch(vtophle.1m, COatoria, flypostena, Didynta, Macquartia, Ilyaliw.qits, Polidea, ITypochala, Pelatachina, Racodineur(i, Erria, Leskia, Lcskio)0nia,
1pinops.
Vibriss.e distinctly above the front edge of flie oral margin: LeiiC08tonta, Sciasnia, Ifyaloi)iyodes, (Estrophasia, Clytio)iiyia, Eutrixa, Xanthomelmia.
Frontal vitta highly polished: llemyda.
Proboscis at least one-third longer than heiOllit of head: Beskia, fsoylo8sa,
EflAgrimyia, Siphona.
Apical cell ending some distance in front of the extreme wingtip.
Last section of the fifth vein more thin one-half as long as the preceding section: Heteropterina, Plagil)rosphcrysa, Metaphtflia, Paral)1(t.qi(t, CyrtolAI(tba,
Plagia, Siphol)Ia#ia.
Last section of the fifth vein less than one-third as lono- as the preceding section.
Sides of face on the lower lild f bare.
Vibrissa- distinctly al o\-e the front edge of the oral inargin.
Eyes bare.
Penultiniate,joint of arista more, than twice as lomy as broa(I: Distichoiia, Clw'foylo8sa.
Ilenultimate joint of arista shorter or only slightly longer than broad: Pachyol.h habit its, Sciiotabiia, Pseitdotractocertt, Bionlyhr, Atacta, SilAostarmia, BeIrosia, MelanolArys, Aplwia, (kyptera. Eyesdistinctly hairy: Linion)iyia, -Ventor(m, Panz eria, 31-ac)-wileiflenia.
X 7'ibrissa, on a level with the front edge of the oral margin,
Eyes distinctly hairy: (r' )wiochata, MetalAyto, Exori8toidcs, H )hantrophaga, Fxorista, Eaphorocera, Phorocent. Eyes bare: 17ronthta, Marntia, Masicera, Ace)ttyia, Pseiidoch(eta, Prosldtcrysa, Vatideric0pia, Euthera, Hoitghia, Tachbia, Tachitlop sis, Dentoticus, Paral)hyto, Parach(rfa, B1eI)ha)-iI)ez(t.
Sides of face with hairs or inacroch;et.e on the lower half.
Vibrissx on a level with the anterior edge of the oral inargin: Tvbitheniia, Musco teryx, 'Pal-adidynia, Atrophopalpys, Metacha4a, Phoricll(rta,
P
ChtTtoplagia, Meto psidia,.Hilarella, Tricogetia, Brachyconta,
Eathyl)rosopa.
Vibriss.e distinctly above the front edge. of the oral margin.
Head at the vibrissw, much shorter than at base of aDtenna,:
Spallairzania, G(rdiopsis, Chatog(rdia, Dichocera MicrolAiliatnta.
Head at the vibrissw longer than at base of antenme: Jntobia, TrieltolAora, Ct(pliocera, Peleteria, Archytas, EchinomyM, T,,I)aIPIt8, Bombylio))zyia, Dejea0a, Paradejeania, Jurinea, Jarinella.





42

SYNOPSES OF THE SPECIES.
The arrangement of the genera is that given above. In the case of synonyms, the oldest name has been adopted, since this method is the only one whereby a uniform system of nomenclature can be obtained. On the other hand, if we follow the law of favoritism we can never hope to have a uniform series of names, since the German student will adopt the name proposed by a German, thie Frenchman one proposed by his own countryman, and so on. All of the synonymy given inll these pages has been verified by the writer. By a few authors the names of certain genera have been rejected, owing to the fact that the author described under each of them species that properly belong to two or more distinct genera, but this does not at all invalidate the genus, since the name may be retained for one or more of the species and new generic terms applied to the others. Again, certain genera have been rejected on the score that they have been insufficiently characterized, but if one of the species that the author placed in a given genus can be identified with reasonable certainty, the generic characters can readily be ascertained from an examination of the specimens themselves.
General Iounded on characters peculiar to one sex only have not been adopted. The writer is of the opinion that in case the females of any two given species are structurally identical, these two species should not be separated into differejit gene a, no matter to what extent the males of these two species may diffteri from each other. Any classification that will not enable us to refer a single specimen of either sex to its correct genus must necessarily come short of the very object for which it x\ as designed.
The following pages contain references to all the species of Tachinide hitherto reported as occurring in this country north of Mexico and belonging to genera of which the writer has examined representatives. Only the species studied by the writer are tabulated; the others are listed at the end of the tables. Genera of which the writer has seen no representatives together with the species from this region referred to them, have already been listed on previous pages. The localities given are those in which the specimens studied were captured; the published records have not been added, since it was intended to make the present work as nearly original as possible. The color of the halteres has been purposely omitted as of no specific importance. Types of all the new species have been deposited in the United States National Museum.
Genus CISTOGASTER Latr.
Cistogaster Latreille, in Cuvier's Regne animal, Vol. V; 1829. Pallasia Desvoidy, Essai sur les Myodaires, p. 239; 1830. Gymnoclytia Brauer and Bergenstamm, Zweif. Kais. Mus. Wien, VI, p. 157; 1893.
The synonymy of Pallasia and Cistogaster was first pointed out by Macquart, and has been confirmed by Rondani, Schiner, Brauer and Bergenstammi, and others. Our single species is very different in the





43

opposite sexes; in the female the abdomen is black, while in the male it is largely or wholly yellow; in the female the thorax is gray pollinose, marked with two black vittae; in the male it is yellowish pollinose, marked with four black vitte; length, 5 to 7 mm. Grimsby, Canada; Maine; Franconia and White Mountains, New Hampshire; District of Columbia; North Carolina: Tifton, G(a. ; Texas, Colorado, and California. (Dipteres Exotiques, Vol. II, Part III, p. 233(76); 1842. Gymnosoma occidua Walker, List Dipt. Insects, Part IV, p1). 692; 1849. Cistogaster divisa Loew, Diptera Amer. Sept. Indig., Centuria IV, No. 88; 1863. Gymnoclytia divisa Brauer and Bergenstammni in litt.) n immaculata Macq.
Genus GYMNOSOMA Meig.
Gymnosoma Meigen, in I1liger's Magazin fiir Iusektenkunde, Vol. II, p. 278; 1803.
In our single species the abdomen is yellow and marked with a black dorsal vitta or row of spots; dorsumn of thorax of male in front ()f the suture yellowish p)ollinose and marked with four black vitta, but in the female the dorsumin is destitute of pollen except the humeri and narrow lateral margins; length, 5 to 8 mm. (Griimsl)by, Canada; White Mountains and Franconia, N. H.; Maryland; District of ('oluibia; Virginia; Michigan; Agricultural College, Miss.; New (O)rleans. La.; Missouri; Kansas; Green River City, Wyo.; Colorado, Idaho. and California. (Essai sur les Myodaires, p. 237; 1830. (Gymioson(m par Walker, List of I)ipterous Iisects, Part IV, p1). 692; 1849. (Gymnosoma filiola Loew, Dipt. Amer. Sept. In(digena, ('enturia X, No. 66; 1872. Gymnosoma sp., I'rauer and Bergenstamm in litt.) ... .uliginosa Desv.
Genus PHORANTHA Rond.
Phorantha Rondani, Dipterolo)gi Italiew Prodromius, Vol. V, p. 21; 1862.
Our species are black, the palpi and apex of proboscis sometimes yellow; only one postsutural and one sternop)leural mnacroclhata; wings not inarked with brown beyond the base of the discal cell, costa nearly straight:
1. Thorax subshining, almost destitutee otf pollen, not marked with distinct black vittaw; last section of the third vein nearly one half
as long as the preceding section.........................
Thorax opalue, densely gray pollinose, marked with fobuir shining
black vitt,; frontal vitta of female at the narrowest point slightly wider than the distance between the posterior ocelli, last section of the third vein one-foiurth as long as the preceding section, calypteres white; length 7 mm. Los Angeles County, Cal. (Tijdsch. voor Entomologie, Vol. XXXV, p. 185; 1892: Hyalomyia.) .......................... nigrens v. d. W .
2. Calypteres whitish, second and third segments of abdomen thinly
whitish pollinose, frontal vitta of fem ale at the narrowest point less than one-third as wide as the distance between the posterior ocelli; length,2.5 to5 min. Fort NcLeod, British America: Maryland; southern Illinois; Georgia; Nueces, Tex.; South Dakota;





44

Canon City, Colo.; Las Cruces, N. Mex.; Washingtou; Los Angeles and San Diego counties, Cal.; and Allende, Mexico.
(Insecta Saundersiana, Vol. I, p. 260; 1856: Hyalomnyia. Alophora tuctuosa Bigot, Annales Soc. Entomol. France, p. 255; 1888. 1Jyalomyia punctigera Townsend, Proc. Ent. Soc. Washington, Vol. II, p. 135; April 2, 1891. Hyalomyia aldrichii Townsend, 1. c., p. 136; from a, cotype specimen. Hyalomyia robertsonii Townsend, 1. c. Hyalomyia purpuraseens Townsend, 1. c., p1). 137; from a cotype specimen. Hyalomyia celer Townsend, Trans. Amer. Ent. Soc., Vol. XXII, p. 65; March, 1895.
sen, Tans Amr. ut.Soc.
Hlyalomyia riolascens Townsend, Annals Mag. Nat. Hist., Vol.
XX, p.32; July, 1897. lPhorantha sp., Braver and Bergenstamm in litt.) ........................ .......... occidentis W alk.
(Calypteres brown, first three segments of abdomen not distinctly
l)ollinose except along the sides, the fourth segment lightly whitish pollinose and dotted with black, frontal vitta of male obliterated on its upper part, wings with a strong whitish tinge; length, :3.5 to 4 mm. District of Columbia; Potomac Creek, Virginia; Lexington, Ky.; and northern Illinois. Nine males, one taken by the writer in July, another captured by Mr. C. W.
Johnson, May 23, 1896, a third by Dr. W. A. Nason, August 16, 1891, and six captured by Prof. H. Ga'mnan. Type No. 3518, U. S. National Museum...................... calyptrata n. sp.
Genus ALOPHORA Desv.
Alophora 1)esvoidy. Essai sur les Myodaires, p. 293: 1830. HIyaloiyia 1)esvoidy, l tcit., p). 29S.
Schiner I'has already referred these two divisions as subgenera of thle first-mentioned genus, and in this he is followed by Brauer and Bergenstamim. Of the ten species occurring in our fauna, the females of only four are known to me:
1. Wings distinctly marked with brown beyond base of discal cell outside of the costal cell (all males) .................. ........ 6.
Wings wholly hyaline beyond base of discal cell except sometimes
in the costal cell ......................................... 2.
2. Second and third abdominal segments shining or subshiuning.... 3.
Second and following segments opaque, densely yellow gray pollinose; thorax, when viewed from behind, thinly white pollinose along the suture, in front of the scutellum, and along the sides; eyes contiguous; black, the palpi yellow, calypteres white, wings whitish hyaline, costa strongly arcuate, last section of third vein slightly less than one-third as long as the preceding section; length, 5 mm. Eastern Washington. A single male specimen collected by Professor Piper. Type No. 3519, U. S. National Museum -------- ---------------- ----------.opacan. sp.
Fauna Austri eca, Vol. I, p. 402; 1862.
SZweif. Kais. IMus. Wien, IV, p. 149; 1889. Also loc. cit., VI, p. 157; 1893.





45

3. Females; genitalia awl-shaped, directed backward ............. 4.
Males; genitalia tubular, directed forward under the body; black,
the palpi yellow, abdomen with a pronounced brassy tinge, shining, thinly white pollinose; thorax when viewed from behind thinly white pollinose except the front end and two subdorsal vittle behind the suture; eyes separated as widely as the posterior ocelli, calypteres grayish white, wings whitish hyaline, base to tip of second basal cell yellow, costa strongly arcuate, last section of third vein nearly half as long as the preceding sectioni; length, 6 mm. Potomac Creek, Virginia. A single male specimen collected May 23, 1896, by C. W. Johnson. Type No.
3520, U. S. National Museum .....................nitida ni. sp.
4. Frontal vitta at narrowest part less than one-third as wide as the
distance between the posterior ocelli ..................... 5.
Frontal vitta at narrowest part as wide as the distance between the
posterior ocelli; last section of third vein slightly over one-third as long as the preceding section; length, 4 to 6 mm. White Mountains and Franconia, N. H., and Potomac Creek, Virginia.
(Trans. Amer. Ent. Soc., Vol. XIII, p. 296; October, 1886: lyalomyia.) ............................ ...<-weorentris W ill.
5. Last section of third vein over one-third as long as the preceding
section, small crossvein nearer to tip of first vein than to tip of the auxiliary, or midway between them; black, the palpi yellow; thorax, when viewed front behind, subopaque whitish p)ollinose, with indistinct black vitt-e; eyes separated slightly wider than width of lowest ocellus; face white or gray pollinose; abdomen on the last three segments whitish pollinose, the second and third segments with a black dorsal vitta; calypteres whitish or yellowish; wings hyaline, the base to slightly beyond the humeral crossvein yellowish; length, 9 mim. Beverly, Mass. A female specimen collected October 11, 1870, by the late Edw.
Burgess. Type No. 3521, U. S. National Museum..dirersa n sp.
Last section, etc., as above; vitta of abdomen indistinct; length,
5 mm. Two females, one captured at Sherbrooke, C('anada, September 25, 1896, by L'Abbe P. A. Begin, the other taken with the male (see above under 3)..................... nitida nii. sp.
Last section of third vein less than one-sixth as long as the preceding section, small crossvein nearer to tip of auxiliary vein than to tip of first vein; eyes separated about half the width of the lowest ocellus; face yellow pollinose, abdomen wholly thinly whitish pollinose; length, 9 to 10 mm.; otherwise as in dicersa.
Lufkin, Tex. (October 17, 1894; C. W. Johnson), and southern Illinois (Charles Robertson). Two female specimens. TypeNo.
3522, U. S. National Museum ................... grandis n. sp.







6. Thorax destitute of a large spot of yellowish pollen in front of the
s.utellunm -------------- ............................. 7.
Thorax bearing a large spot of yellowish pollen, elsewhere subopaque, the sides and suture gray pollinose; abdomen shining bluish black, the margin sometimes yellow, on the fourth segment grayish pollinose; wings hyaline, brownish costally except at base, the brown color extending to middle of discal cell, sometimes forming a border to the fifth vein and the hind crossvein, and coniitaining hyaline spaces; length, 6 to 7 mm. White Mountainis and Franconia, IN. It. (Annales Soc. Entominol. France, p. 255;. 1888. Hyalomyia sp., Brauiier and Bergenstamm in litt.) -----...... ...........................- ------------------------------.... fenestrata Bigot.
7. Wings destitute of a distinct hyaline spot beyond tip of first vein. 8.
Wings marked with such a spot reaching from near the costa to
middle of first posterior cell, elsewhere brown, with hyaline spies and hind margin; costa excessively arcuate, first posterior cell over half as wide as long; black, the palpi yellow, abdomcii slJiniiig brassy black, thinly whitish pollinose, thorax, when viewed rom 1 behind, subopaque, thinly whitish pollinose, two subl)dorsal vitta, the front end, and behind the suture black; calypteres white; t'ront.l vitta at narrowest part two thirds as wide as distancee between the posterior ocelli; length, 8 mm.
Franconia, -. Ii. A male specimen, collected by Mrs. A. T. Slosson. Type No. 32,)2, 1'. S. National Museum..phasioides n. sp. 8. Abdomen more or less shiningo.............................. 10.
Abdomenll opaque, yellowish gray polliiiose.................. ------------------9.
eins on front and hind edges of discal cell bordered with brown; black. the palpi yellow; thorax, when viewed from behind, thinly whitish pollinose, the front cud, behind the suture, and two subdorsal vitt-, black; frontal vitta at narrowest part half as wide as distance between the posterior ocellii calypteres whitish; wings brown, the base yellowish, the hind margin aid centers of discal and first posterior cells usually hyaline, costCa rather strongly arcuate; length, 4. to 6 mim. Clementon, N. J. (May 10 and 26, 1896), and Potomac Creek, Va. (May 23, 1896). Six male specimens, collected by C. W. Johnson. Type No. 3524, ti. S. National Museum.........................fumosa n. sp.
Veins on front and hind edges of discal cell not bordered with
brown, wings whitish hyaline, the base to beyond the humeral crossvein yellowish, costal margin beyond this to slightly below apex of third vein,last two sections of third vein, and fourth vein beyond the bend bordered with smoky brown, costa excessively arcuated; len gth, 7 mm.; otherwise as in the above description of fumosa. Grimsby, Canada. A single male specimen, collected October 7, 1894. Type No. 3525, U. S. National Museum ......................... ........... pulverea, n. sp.





47

10. Length, 6 mam. or less ; last section o()f third vein over one-third as
long as the preceding section ........................... 11.
Length. S to 10 m m ...... ................................. 12.
11. Abdomen shining brassy black, the margins whitish pollinose,
wings hyaline, the base and a large spot on middle extending
from costa to fifth vein smoky. (See above under 4.)
wneorentris Will.
Abdomen subopaique whitish pollinose, the first segment, a dorsal
vitta on the others, and the hind margins of the second and third black; black, the palpi yellow; thorax, when viewed from behind, suilopaqule, traces of a yellowish pollinose spot in front of the scutellun; eyes sepI)arated slightly wider than width of lowest ocellus, willngs smoky, the hind margin subhyaline; calypteres yellowish; length, 6 nm. Woodbury, N. J. A single male specimen collected June 7, 1896, by C. W. Johnson.
Type No. 3526, U. S. National Museum.... s..bolpaca ni. sp.
12. Last section of third vein less than one-sixth as long as the preceding section, small crossvein nearer to tip of auxiliary vein than to tip of first vein, eyes sel)arated less than width.of lowest. ocellus, wings from base almost to small crossvein dusky yellowish, the remainider brown, calypteres brown, the margin, the lower edge of the front one broadly, allnd of the hind one at its base white; otherwise as in the female (under 5 above).
Lufkin, Tex., October 17, 1896. A single male specimen, collected by (C. W Johnson..................... gra dis n. sp.
Last section of third vein over one-fourth as long as the preceding
section, small crossvein not nearer to tip of auxiliary vein than to tip of first vein, eyes separated one and one-half times width of lowest o(ellus, abdomen with a strong brassy or violaceous tinge, wings from base to beyond base of discal cell yellowish, the remainder brown, the hind margin subhyaline; otherwise as in the female (under 5 above). Beverly, Mass. (October 11, 1870, Edw. Burgess); Oswego, N. Y. (October 4, 1895. (C. W.
Johnson), and Indiana. Three male specimens..diversa n. sp.
Genus TRICHOPODA Latr.
Trichopoda Latreille, in ('uvier's Regne animal. Vol. V; 1829.
Our species have one p)ostsutural and two sternopleural macrochette, apical cell short 1)etiolate:
1. Abdomen partly or wholly yellowish........................... 2.
Abdomen and legs wholly black, the former not I)ollinose; wings
black, not marked with white or yellow, the hind margin subhyaline; lower calypteres brown, the bases white; thorax deep black, the sides, transverse suture, and two subdorsal vittle in front of it light gray pollinose; length, 10 to 14 mi. Florida; Waco, Tex., and Colorado. (Systema Antliatorum, p. 220; 1805: Thiereca.)................................latices Fabr.







2. Without any fascia of gray pollen on the abdomen, which is subshining and almost or wholly destitute of pollen ........... : 3.
With an 6paque, interrupted fascia of yellowish pollen on the second,
third, and fourth segments of the abdomen; scutellum and feminora yellow, thorax shining black, the portion in front of the transverse suture yellowish pollinose and marked with three or four black vitte; wings brown, the costal margin more or less yellow, the hind margin broadly hyaline; lower calypteres yellowish; length, 7 to 11 mm. lDistrict of Columbia; Texas, and Napa County, Cal. (Systems Antliatorum, p. 220; 1805. Therea. Trichopoda histrio Walker, List of Dipterous Insects, Part IV, p. 697; 1849. Trichopoda trifatsciata Loew, Dipt. Amer.
Sept. Indigena, Centuria IV, No. 90; 1863: also Brauer and Itergenstamm in litt.) .........................p----------------------lumnipes Fabr.
3. Lower calypteres wholly yellowish; abdomen bright yellow, the apex
sometimes black; legs black, bases of femora sometimes yellow, hind margin of wings subbyaline .......................... 4.
Lower calypteres brown, the bases white; abdomen yellowish brown,
the fifth segment yellow, legs black, the bases of the middle and hind feinora sometimes yellow; wings brown, a white vitta along each of the first five veins, hind margin subhyaline; length 14 to 17 mm. District of Columbia; Waco, Tex., and Tehuaiintepec, Mexico. (Aussereuropiische Zweif. Insekten, Vol.
II, p. 268; 180. Trichopod(i r(diata Loew, Dipt. Amer. Sept.
Indigena, Centuria IV, No. 89; 1863: also Brauer and Bergenstamni in litt.) ............................... fJ rmosa W ied.
4. Penultimate section of fourth vein of male bordered in front with
whitish, the first five veins usually partly bordered with white, a yellowish spot on front part of each wing of the male; length, 9 to 14 mm. West RLoxhury, Mass.; Districtof Columbia; Virginia; Tifton, Ga.; Biscayne Bay, Florida; Cadet, Mo.; Douglas County, Kans., and Texas. (Aussereuropiische Zweif. Insekten, Vol. II, p. 276; 1830. Therera pennipes Fabricius, Systems Antliat., p. 219; 1805: non Muscapenaipes Fabricius; 1794. Trichopoda a urantiaca Townsend, Proc. Ent. Soc. Washington, Vol.
II, p. 140; April 2, 1891.) ........................cilipes W ied.
Penultimate section of fourth vein not bordered with whitish in
either sex, any of the veins rarely bordered with whitish; wings of male usually but not always marked in front with a yellow spot; length, 7 to 12 mm. Grimsby, Canada; Belmont, Mass.; Philadelphia, Pa.; District of Columbia; North Carolina; Florida; Mississippi; Lexington, Ky.; Missouri; Onaga, Kans.; Colorado; Los Angeles County, Cal., and Mexico. (Entomologia Systematica, Vol. IV, p. 348; 1794: MIusca. Thereva hirtipes Fabricius, Systema Antliat., p. 219; 1805. Ocyptera ciliata Fabricius, loc. cit., p.315. Plhasiajugatoria Say, Jour. Acad. Nat.





49

Sci. Philadelphia, Vol. VI, p. 172; 1829. Trichopodaflaricornis Desvoidy, Essai sur les Myodaires, p. 284; 1830. Trichopoda pyrrhogaster Wiedemann, Aussereur. Zweif. Ins., Vol. I. p. 272; 1830: also Brauer and Bergenstamm in litt.) .... pen n tipes Fabr.

Genus EUSIPHONA, new genus.

The principal characters of this genus may be gathered from the following description of the type species: Front of female nearly one-half as wide as either eye, ocellar bristles directed obliquely forward, frontal bristles weak, disposed in four rows, not descending beneath base of antenum, front, including the vitto, gray pollinose; sides of face bare, gray pollinose, each at narrowest point about one-seventh as wide as the median depression, the latter with a distinct median carina; vibriss.e short, inserted below the level of thle anterior portion of the oral margin; facial ridges bare, nearly parallel and only slightly approaching each other at the vibrisse; cheeks extremely narrow, scarcely apparent; proboscis bristle-like, longer than the entire insect, geniculate in the middle, the apical half folding beneath the basal half; labella absent, palpi clavate, reaching about halfway to the anterior oral margin; antennae four-fifths as long as the face, the third joint nearly three times as long as the second, suborbicular; arista bare, thickened on the basal third, the penultimate joint shorter than broad; eyes bare; thorax lightly gray pollinose, anterior half of middle of dorsum destitute of macrochcte, two postsutural and two sternopleural macroclhut&, the latter near the posterior end of the sterniopleura, no other macrochluet on the pleura; scutellum subtriangular, bearing four marginal macrochliat:e; abdomen and legs destitute of macrochete and of pollen; wings hyaline, veins bare, apical cell open at the extreme wing tip, last section of fourth vein gradually approaching the third, small crossvein near last third of discal cell, auxiliary vein lying close to the first and almost united with it at the apex. Color, black; the second antennal joint, spot at insertion of antenname, and the anterior oral margin yellow; calypteres small, white; length, 5 mmii. Indiana and Colorado. Two female specimens. Type No. 3526, U. S. National Museum. ............ nira n. sp.

Genus GYMNOPHANIA Br. and Berg.
Gymnophania Brauer and Bergenstanim, Zweif. Kais. Mus. Wien, IV, p. 143; 1889. Our single species is black, the antennie and legs tinged with brown; front in male slightly narrower than width of the lowest ocellus, antennae four-fifths as long as the face, the third joint slightly shorter thlu the second, cheeks one-seventh as broad as the eye height; body s!tiAing, not pollinose, only one postsutural and one sternopleural mi.wrochieta, scutellum bearing two marginal pairs, abdomen a l legs destitute of macrochatete; wings hyaline, the costal margin beyond tip
3359-No. 7- 4





50

of auxiliary vein slightly smoky as far as the fourth vein, last sections of third and fourth veins gradually converging, ending a short distance from each other at the extreme wing tip, small crossvein at last fourth of discal cell; calypteres white; length, 4 mm. White Mountains, New Hampshire. Five male specimens, one collected by Mrs. A. T. Slosson and the others by the late H. K. Morrison. (Gymno. phania sp., Brauer and Bergenstamm in litt.) Type No. 3528, U. S. National Museum...................................montana n. sp.

Genus MYIOPHASIA Br. and Berg.
Myiophasia Brauer and Bergenstanmm, Zweif. Kais. Mus. Wienti, V., p). 362; 1891. Phasioclita Townsend, Trans. Amer. Eut. Soc., Vol. XVIII, p. 369; December, 1891. Ennyomma Townsend, loc. cit., p. 371.
The synonymy of the first two has already been given by Brauer and Bergenstamm.' Our two species have three postsutural and two sterno pleural macrochataw; eyes usually bare but sometimes hairy, especially in the male:
Third and other segments of abdomen shining, destitute of pollen;
greenish black, the lower part of the head except oni the occiput, also more or less of the antenue, yellow or brown; bases of the wings yellow; length, 6 to 9 mm. White -Mountains, New Hamp.
shire: Massachusetts; South Carolina; Georgia; Charlotte Harbor, Florida; Colorado; and Santa Fe, N. Mex. (Aussereuropliiische Zweif. Insektcn, Vol. II, p. 298; 1830: Tachina. Clytia atra Desvoidy, Essai sur les )iyodaires, p. 288; 1830. Phasioclista metallica Townsend, Trans. Amer.Ent. Soc., Vol. XVIII, p. 370; Dec., 1891.
En nyom mna clistoides Townsend, loc. cit., p. 371. Loew ia ruficornis Townsend. Canadian Entomologist, Vol. XXIV, p. 77; April, 1892.
Loewia n igrifrons Townsend, loc. cit. Clista americana Townsend, loc. cit.. p. 78. Loewia globosa Townsend, Entomological News, Vol. III, p. 129; June. 1892. MIyiophasia ?wnea Wied., Brauer and Bergenstamin in litt.) ...... ..... ............... wnea Wied.
Third and fourth segments of abdomen, and center of the second, subopaque gray pollinose; black, the second joint of antennae yellow, the frontal vitta and lower part of the head except the occiput brown; front of male scarcely wider than width of lowest ocellus, frontal bristles not descending below base of second antennal joint, antenn afhlmost reaching middle of face, the third joint only slightly longer than the second, arista thickened on its basal fourth, the penultimate joint slightly longer than wide; thorax and scutellum with a bronze tinge, destitute of pollen, scutellum bearing three pairs of long marginal macrochatm; second segment of abdomen bearing a marginal pair, the third and fourth each with a marginal row; pulvilli of front tarsi slightly longer than the last tarsal joint, wings hyaline, calypteres yellowish white; length, 9
'Zweif. Kais. Mus. Wien, VI, p. 192; 1893.







mai. Los Angeles, Cal. A single male specimen bred by Albert Koebele from a larva of Sphenophorus robustus. Type No. 3529, U. S. National Museum--------------------------...........................robusta ni. sp.

Genus PHYTO Desv.
Phyto Desvoidy, Essai suir les Myodaires, p. 218: 1830. Sacia Rondani Dipterologiw Italicw Prodromus, Vol. IV, p. 140; 1861.
This synonymy is given by B3rauer and Bergenstamm. Our species is black, including the palpi, cheeks largely reddish; front in mniale destitute of orbital bristles, in the female bearing two l)airs; three postsutural and three steriopleural macroclita : length, 6 to S mm. Northern Illinois and Missouri. (List of Dipterous Insects, Part IV, p. 757; 1849: Tachina. Phyto setoa ('oquillett, Jourin. N. Y. Ent. Soc., Vol. III, p. 99; Sept., 1895.) ......................... cleside.s W alk.

Genus MAUROMYIA, new genus.

The characters of this genus may be gleaned from the following description of the type species: Black. the palpi yellow; front inll the male one and two-thirds times, in the feniale slightly over twice, as wide as either eye, ocellar bristles projecting obliquely forward, two pairs of orbital bristles in the female, none in the male, frontal bristles descending to base of third antennal joint, sides of face at narrowest point each one-thirdoas wide as the median depression, thickly covered with black bristles, cheeks in the male slightly narrower, in the female broader, than the eye height. vibrissae widely sep)arate(ld, inserted on a line with the front edge of the oral margin, facial ridges bristly on the lowest fourth or third, facial depression carinate in the middle, antenna reaching the oral margin in the male. but only reaching to lowest fourth of face iii the female, third joint in the male six. in the female three, times as long as the second, arista thickened oni the basal half, the penultimate joint slightly longer than broad; palp)i clavate, short, less than half as long as the p)roboscis beyond the basal articulation, the latter slightly over one-half as long as height of lea(1, eyes bare, head in profile nearly quadrai1gular, as long at the vibrissa as at base of antenna, the face slightly concave; thorax gray 1)ollinose, marked with three black vittbe, three.postsutural and two sternopleural macrochaete, scutellumin bearing three long marginal pairs; abdomen shining, last three segments whitish pollinose at the bases, bearing discal and marginal macrochwete; wings hyaline, tinged with smoky along the veins, third vein bristly two-thirds of distance from base to small crossvein, hind crossvein slightly curved, nearly perpendicular, situated midway between the small and the bend, the latter nearly rectangular and bearing a short appendage, apical cell closed and p)etiolate, the petiole almost as long as the hind crossvein; calypteres whitish; hind
I Zweif. Kais. Mus. Wien. VI, p. 237; 1893.





52

tibia' not ciliate, front pulvilli one-half as long as the last tarsal joint; length, 5 to 6 mm. White Mountains, New Hampshire. A specimen of each sex collected by the late H. K. Morrison. Type No. 3530, U. S. National Museum......................................putlla n. sp.

Genus CRYPTOMEIGENIA Br. and Berg.
Cryptomne eita Brauer and Bergenstamm, Zweif. Kais. Mus. Wien, V, p. 311; 1891. Emiphanoptery.r Townsend, Trans. Amer. Ent. Soc., Vol. XIX, p. 120; May, 1892. The above synonymy has already been published by Brauer and Bergenstamin.' Our single species is black, the second jointof the antenuem, the palpi, tibiw, and femora partly or wholly yellow; three postsutural and three sternopleural macrocht ; length 7 to 10 mm. Toronto, Canada; Franconia, N. H.; Beverly, Mass.; Ithaca, N. Y.; District of Columbia; and Illinois. (List Dipt. Insects, Part IV, p. 778; 1849: Tachina. Ta china prica Walker, lot. cit, p. 780. Emphanoptery.x eumyothyroides Townsend, Trans. Amer. Ent. Soc., Vol. XIX, p. 121; May, 1892. Near Pexomyia, Brauer and Bergenstamm in litt.). theutis Walk.

Genus CERATOMYIELLA Town.
(Ceratomyiella Townsend, Trans. Am. Ent. Soc., Vol. XVIII, p. 379; Dec., 1891.
Our single species is black, the palpi, base of anteinnia, and the femora yellow, the tibiae brownish yellow; three postsutural and two sternopleural macrochbatw; length, 5 mm. District of Columbia, southern Illinois, and Tifton, Ga. (Trans. Amer. Ent. Soc., Vol. XVIII, p. 380; December, 1891.).....................................conica Town.

Genus EULASIONA Town.
Eulasiona Townsend, Trans. Anmer. Ent. Soc., Vol. XIX, p. 119; May, 1892. Our species have three postsutural and two sternopleural macrochwtee: 1. Third vein bearing a single bristle near its base, middle tibie each
bearing a single long macrochwta on the front side near the middle, wings hyline, the bases yellowish; length, 5 to 7 mm. White Mountains and Franconia, N. II., and Georgia. (Trans. Amer.
Ent. Soc., Vol. XIX, p. 120; May, 1892.) ....... comstockii Town.
Third vein bearing three or more bristles at the base, middle tibim
each bearing three or more long macrochate on the front side near the middle.........................................------------------------------------ 2.
2. Sides of face each bearing a row of macrochwte; black, the tibia
largely yellowish; front in female slightly wider than either eye, sides gray pollinose, two pairs of orbital bristles, frontal bristles descending slightly below base of second antennal joint, antennm five-sixths as long as the face, the third joint two and one-fourth times as long as the second, arista thickened to the middle, the penultimate joint slightly longer than broad;
'Zweif. Kais. Mus. Wieii, VI, p. 199; 1893.





53

sides of face bare except for the row of macrochetT, cheeks two-fifths as wide as the eye-height; thorax thinly gray pollinose, marked with four black vithe; scutellum bearing three pairs of long marginal macrochette; abdomen subshining, bases of last three segments lightly whitish pollinose, first segment bearing a marginal pair, second with a fiscall and a marginal pair of macrochUte, third with a discal pair and a marginal row, fourth wholly covered except the extreme base; wings tinged with brown along the veins; calypteres yellowish white; length, 7 mm. Fort Wrangel, Alaska. A single female specimen collected by H. F. Wickham. Type No. 3531, U'. S.
-National M useum .--------------------------- spiosa n. sp.
Sides of face each bearing only one or two macroclihet, situated near lower end of eyes; black, the antenna, p)alpi, tip of scutellum and fourth segment of abdomen yellow; front in both sexes one and two-thirds times as wide as either eye, the sides and face yellowish )pollinose, two pairs of orbital bristles, frontals descending to base of third antennal joint, sides of face covered with black bristly hairs, cheeks three-fourths as broad as the eye-height, antennae three-fourths as long as face, the third joint six times as long as the second, arista thickened on the basal third or half; thorax gray pollinose, marked with three black vittae, scutellum bearing three long marginal pairs and a short apical pair of macrochate ; abdomen thinly gray pollinose, subshining, last three segments bearing discal nacrochatae; wings subhyaline, veins faintly clouded with brown; length, 6 to 7 mm. Opelousas, La. Three males and one female collected in March, 1897, by Mr. G. R. Pilate ------------.............setigena nii. sp.

Genus ADMONTIA Br. and Berg. Admontia Braner and Bergenstamm, Zweif. Kais. Mus. Wien, IV, p. 104; 1889.
On page 410 of Part V of the above-mentioned work, a species from "N. Amer." is listed as "Admontia americana n.," but no description of it has to my knowledge been published. Our four species have only three postsutural macrochietse:
1. Wings wholly hyaline, or slightly smoky costally, usually three
sternopleural macroch tT ................................ 2.
Wings whitish hyaline to small crossvein, the remainder brown
except the hind margin, which is hyaline; only two sternopleural macrochete, palpi yellow, legs black, arista thickened to beyond the middle, cheeks one-half as broad as the eye height; length, 7 mm. Northern Illinois. (Journ. N. Y. Ent. Soc., Vol.
III, p. 55; June, 1895.) ............................ nasoni Coq.
2. Legs black, two pairs of orbital bristles in both sexes ......----------..... 3.
Legs and palpi yellow, no orbital bristles in the male, arista thickened on less than the basal third, cheeks one-third as broad as





54

the eye-height, abdomen of female thickly beset with short spines on under sides of the third and fourth segments; length, 8 to 10 mm. Maryland, Dist. Columbia, and Virginia. (List Dipt. Insects, Part IV, p. 779; 1849: Tachina.)..demylus Walk. 3. PU'alpi black, third antennal joint in the male eight, in the female
from five to seven, times as long as the second; cheeks at least one-half as wide as the eye-height, front tarsi of female greatly dilated, abdomen destitute of stout spines on the under side. 4.
Palpi yellow, insect otherwise black; front of male as wide as either
eye, frontal bristles descending to apex of second antennal joint, the pair in front of vertical ones not directed outward, cheeks one-third as broad as the eye-height, sides of face at narrowest part each one-sixth as wide as the median depression, each bearing a row of bristly hairs, vibriss;w on a level with front edge of the oral margin, ridges bristly on the lowest fourth, antennae as long as the face, the third jolt four times as long as the second, arista thickened on the basal third, the penultimate joint as broad as long; thorax gray pollinose, marked with four black vittwe, scutellum bearing three pairs of long marginal and a very short ap)ical pair of miacrocihtae; abdomen thinly gray pollinose, first segment bearing marginal, the others discal and marginal macroclta'; front pulvilli scarcely one-half as long as the last tarsal joinit; wings hyaline, third vein bearing three bristles near the base, calypteres white; length, 5 mm. Alameda, Cal. Two males bred April 17, 1888, from chrysalids of Retinia sp. by Mr. Albert Koebele. Type No. 3532, U. S.
National Museum................. ..... ..retiniw n. sp.
4. Front in the male one and one-third times, in the female twice, as
wide as either eye; the pair of frontal bristles in front of the vertical ones directed obliquely outward, arista thickened on the basal three-fifths, sides of face each bearing numerous hairs not arranged in a single row, the sides yellowish gray pollinose; length, 5 to 8 mm. From the type specimen. Beverly, Mass.; District of Columbia, and Agricultural College, Miss. (Jourin.
N. Y. Ent. Soc., Vol. III, p. 54; June, 1891.) ....pergandei Coq.
Front in the male slightly wider than, in the female one and onefourth times as wide as, either eye; the pair of frontal bristles in front of the vertical ones almost perpendicular, arista thickened on the basal two-fifths, sides of face white pollinose, each bearing a single row of hairs; length, 5 to 6 mm. From the type specimen. Franconia, N. H.; Beverly, Mass.; District of Columbia; Illinois, and Tifton, Ga. (Journal N. Y. Ent. Soc., Vol. III, p. 58; June, 1895: Hypostena.) ....... degeerioides Coq.





55

Genus MEDINA Desv.

Medina Desvoidy, Essai sur les Myodaires, p. 138; 1830. Dgecria Meigen. System. Besch. Europ. Zwei. Insekten, Vol. VII, p. 249; 1838. Amedoria Brauer and Bergenstammi, Zweif. Kais. Mus. Wien IV. p. 106; 1889.
The synonymy of the first two is according to Schiner. Brauer and Bergenstamm state2 that Desvoidy placed in Medina species belonging to Admontia and I)egeeria, but they do not specify which of these species belong to Admontia. Since all of the recognized species placed in Medina by Desvoidy at the time of describing this genus belong to D)egeeria, there would appear to be no doubt concerning the identity of these two genera. The identity of Amedoria with Degeeria has already been acknowledged by Brauer and Bergenstamm." Our single species is black, with a brown tinge. the calypteres yellow, the wings strongly tinged with brown at the base and in front of the fifth vein; three postsutural and three sternopleural macrocleita,, discal mnacrochietze on the last three segments of the abdomen; length. 9 mn. From the type specimen. Mount Washingtoii, New Hampshire. (Journal N. Y. Ent. Soc., Vol. III, 1). 104: Sept.. 1895: Degeeria.)......... waishington)w Coq.

Genus SCHIZOTACHINA Walk.
Schizotachi na Walker, Iniisecta Saindersiana, Vol. I, p). 264; 1856.
Our single species is black, the antenna- sometimes largely, and the palpl)i, yellow; three postsutural and two large and two small sternop)leural mnacrochavta, secon(l and third segments of abdomen bearing only miargirual ones; wings hyaline, third vein bearing a single bristle at the base; length, 4 to 6 mm. Horseneck Beach, Mass.; Waco, Tex.; and Colorado. (Insecta Saundersiana, Vol. I, p. 276; 1856: Tachina. Tachina e.rxul Walker, loc. cit., p. 277.).................con recta Walk.

Genus CLAUSICELLA Rond.
Cla 'isicclla Rondani. Dipterologia, Italiew Prodromus, Vol. I, p. 61; 1856.
Our species have three postsutural and three sternopleural macrochetA, body black, the abdomen sometimes with a brassy or violaceous tinge, bearing only marginal macrocha~ete:
1. Wings wholly hyaline, orbital bristles present in both sexes...... 2.
Wings from base to tip of auxiliary vein whitish, thence to tip of
second vein brown, the apex and hind margin behind the fifth vein hyaline, third vein bearing a single bristle near its base; black, the abdomen with a strong violaceous tinge; front of female one and one-third times as wide as either eye, two pairs

Fauna Austriaca, Vol. I, p. 533; 1862.
2Zweif. Kais. Mis. Wien, VI, p. 232; 1893.
3Zweif. Kais. Mus. Wien, V, p. 356; 1891.





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of orbital bristles, frontal bristles descending to middle of second antennal joint, antenne as long as the face, the third joint three times as long as the second, two and one-half times as long as wide, arista thickened on the basal two-thirds, the penultimate joint three times as long as broad, two-fifths as long as the last joint; vibrissa slightly below level of front edge of oral margin, only two or three bristles above each; thorax gray pollinose, not vittate, scutellum the same, bearing two pairs of long marginal mnacrochaete and a short apical pair; abdomen gray pollinose on bases of the second and third segments, second segment bearing a marginal pair of macrochxt, the third with a marginal, the fourth with a discal, row; calypteres white; length, 4 mm. Natrona, Pa. A single female specimen collected by Mr. C.W. Johnson, July31, 1895. Type No. 3536, U. S. National Museum ...................................... johinsoni n. sp.
2. Third joint of antenna; in the male truncate at the apex, where it is
over twice as wide as at its base, its upper edge nearly straight; length, 3 mm. Southern Califo)rnia; and Owl Creek Mountains, Wyoming. (Konig. Sven. Fregatt. Eugenies Resa, p. 527; 1868: Lophosit. Clausicclla antennalis Coquillett, Journal N. Y. Ent.
Soc., Vol. III, p. 56; June, 1895.) .... ......... setigera Thorn.
Third joint rounded at the apex where it is at most one and onehalf times as broad as at its base ........................ ----------------------3.
3. Last joint of front tarsi of female over four times as long as the
second, third joint of antenna e of male nearly straight on upper edge, noticeably longer than wide; length 3 to 4 mm. White Mountains, New Hampshire; Lakeland, Md.; and Northern Illinois. (Journal N. Y. Ent. Soc., Vol. IIl, p. 56; June, 1895.
New genus near Bigonickheta, Brauer and Bergenstamm in litt.) ........................................... tarsalis Coq.
Last joint of front tarsi of female shorter than the second, third
joint of antenme of male strongly convex on upper side, only slightly longer than wide; black, the palpi yellow; front in both sexes one and one-half times as wide as either eye, two pairs of orbital bristles, frontals descending almost to tip of second antenual joint, facial ridges bristly on the lowest two-fifths to one-half, antenume almost as long as the face, the third joint five times as long on the second, arista thickened nearly to the tip, the penultimate joint two-thirds as long as the last one; thorax gray pollinose, not black vittate, abdomen shining, bases of last three segments whitish pollinose except in the middle; wings hyaline, third vein bearing one or two bristles at the base, calypteres whitish; length, 3 to 3.5 mm. White Mountains, New Hampshire, and New Bedford, Mass. Three males and one female, the former collected by the late H. K. Morrison, the latter by Dr. Hough ........................ usitata n. sp.





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Genus PLECTOPS, new genus.
The characters of this genus may be gleaned from the table of genera given on a previous page and from the following description of the type species: Black, the palpi and apex of proboscis yellow; front in both sexes one and one-fourth times as wide as either eve, two pairs of orbital bristles, frontal bristles descending almost to apex of second antennal joint, cheeks oniie-fifth as broad as the eye height, eyes bare, head at vibrisswe much shorter than at base of antemnna, vibriss'e inserted on a line with front edge of the oral margin, one or two bristies above each, antenna' as long as the face, the third joint in the male three-fifths, in the female two-fifths, as broad as long, five times as long as the second, arista bare, thickened on the basal two-thirds, the penultimate joint four times as long as broad, almost one-half as long as the last joint; thorax gray pollinose, marked with four black vitt e; three postsutural and four sternopleural macrochetae, scutellum bearing two long marginal pairs; abdomen shining, the bases of the last three segments narrowly white pollinose, bearing only marginal mnacrochaAtte; wings hyaline, first vein bearing two or three bristles toward the tip, third vein bearing a single one at the base, hind crossvein nearly straight, midway between the small and the bend, the latter obtuse, not appendiculate, apical cell open. terminating at the extreme wing til)p; calypteres white; last two joints of front tarsi of female dilated, the claws and pulvilli scarcely one-third as long as the last tarsal joint, front tarsi of male not dilated, the pulvilli slightly longer than the last tarsal joint, middle tibihe each bearing a single bristle on the front side near the middle, hind tibhia not ciliate; length, 4 to 5 mm. District of Columbia, and Kirkwood, Mo. Five males and one female bred from Melissopus latiferreana Wism. by Miss Mary E. Murtfeldt and this Division. Type No. 3541, U. S. National Museum ...... melissopodis n. sp.

Genus LISPIDEA Coq.
Lispidea Coquillett, Journal N. Y. Ent. Soc., Vol. III, p. 51; June, 1895.
Our single species is black, with yellow palpi; three postsutural and two sternopleural macrochtae; length 4 to 5 mm. Canada and northern Illinois. (Loc. cit., p. 52.) ......................... palpigera Coq.

Genus THRYPTOCERA Macq.

Thryptocera Macquart, Histoire Nat. Insectes, Dipteres, Vol. II. p. 87; 1835. Herbstia Desvoidy, Annales Soc. Ent. France, p. 184; 1851. (XQon Edwards; 1834.)
This synonymy is given by Rondanil and repeated by Schiner;

Dipterologi Italica Prodromus, Vol. III. p. 12; 1859.
Fauna Austriaca, Vol. I, p. 517; 1862.





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Herbstia is not mentioned by Brauer and Bergenstamm: Penultimate joint of arista twice as long as broad, one-sixth as long ais the last joint, legs black; black, the first two joints of antennaw. palpi, apex of proboscis, of scutellum, and sides of the first two segments of abdomen, yellow; third joint of antenna, brown; head at vibrissa, as long as at base of antennae, front of female one and one-fifth times as wide as either eye, frontal bristles descending to base of third antennal joint, two pairs of orbital bristles, cheeks one-fifth as broad as the eye-height, vibrissae on a level with front edge of oral margin, ridges bristly on the lowest fourth, antenne nearly as long as the face, the third joint five times as long as the second, arista thickened on the basal three-fourths; thorax gray pollinose, marked with four black vittaw; three postsutural and three sternopleural macrochitte, scutellum bearing two long marginal pairs and a very short apical pair; abdomen subopaque gray pollinose, last three segments bearing marginal macrochata; front tarsi slender: wings hyaline, third vein bristly halfway to small crossvein, hind crossvcin midway between the small and the bend, calypteres white: length, 6 mm. New Bedford, Mass. A single female specimen, collected by Dr. Garry deN. Hlough. Type No. 3543, U. S. N national Museum .......................... atripes n. sp.
Penultimate joint of arista nearly one-half as long as the last joint,
femora and tibiim yellow; frontal vitta, face and cheeks yellow, only one or two bristles above each vibrissa, third joint of antennw three times as long as the second, arista thickened on the basal two-thirds, thorax not distinctly vittate, scutellum bearing three long marginal pairs of macrochwttw, third vein bristly almost to the small crossvein ; length 4 mum.; otherwise as in the above description of atripes. White Mountains, New Hampshire. Two female specimens collected by Mrs. A. T. Slosson and the late 11. K. Moisomi. Type No. 3544, U. S. National M useum ....................................... fla ripel s n. sp.

Genus ACTIA Desv.
Actia Desvoidy, Essai sur les Myodnircs. p. 85; 1830. Ceromya D)esvoidy, loc. cit., p. 86.
Gymnopareia Brauer and Bergenstammn, Zweif. Kais. Mus. Wien, IV, p. 103; 1889.
This synonymy is according to Braner and Bergenstaminm. Our two species have four postsutural and three sternopleural macrochtete:
First vein bristly on its apical third only, frontal vitta next the
antennae twice as wide as either side of the front, abdomen and legs yellow; length 5 mm. From the type specimen. White Mountain, New Hampshire. (Journal N. Y. Ent. Soc., Vol. III, p. 50; June, 1895: Lasioneura. Gymnopareia sp., Brauer and Bergenstamm in litt.)...........................palloris Coq.
SLoc. cit., VI, lp. 226 nd 228; 1893.





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First vein bristly on nearly its entire length, frontal vitta next the
antenn scarcely wider than either side of the front, abdomen and legs varying from yellow to black, fourth vein sometimes almost obsolete beyond the bend; length, 4 to 6 mm. White Mountains and Franconia, N. H.; District of Columbia; southern Illinois, and Germany. A female specimen from G(ermany received from Zeller, and by him labeled Thryptocera pilipennis Fall. (Diptera Sueciw, Muscid, p. 18: 1820: Tachina. Thryptocera ofamericana Townsend, Canadian Entoinologist. Vol. XXIV, p. 69; March, 1892. Gymnopareia sp., Braner and Bergenstamm in litt.)........................ ..... ..... pilipen nis Fallen.

Genus LASIONEURA Coq.

Lasioneura Coquillett, Journal N. Y. Ent. Soc.. Vol. III. p). 50; .June, 1895.
Our species is black. the frontal vitta, tirst two joints of antenna, face, cheeks, palpi, coxw, feniora, tibia, and(l sides of abdomen at base, yellow; three postsutural and three sternop)leural mnacrochat-e; length, 5 mm. From the type specimen. Santa Cruiz County. Cal.: and W ashington. (Loc. cit.) ....................... ........ johso1 i Coq.

Genus CHIETOPHLEPS Coq.
Chatophleps Coquillett, Journal New York Ent. Soc., Vol. [II, p. 51; ,Tune,. 189)5.
()ur single species is black, t7he p)alpi yellow: three postsutural and three sternopleural miachrochtw, ; abdomen of female hearing a coimpressed, rounded process thickly be(,set with short spines on the underside of the second segment, and there is a short fifth segment, both of which are absent in the male; length, 4 to 5 mm. Fromln the type specimen. Massachusetts, Maryland, and I)istrict of Columbia. (Loc. cit.)...... .................................... setosa Coq.

Genus CELATORIA Coq.
Celatoria Coquillett, Insect Life, Vol. II, p. 235; February, 1890.
IB)iauer and Bergenstamm, who did not recognize the species upon which this genus is founded, erroneously state that Celatoria is syniymous with "Besseria.' Some of the principal differences existing between these two genera were pointed out by the writer in an article published in Psyche.2 A specimen of ('Celatoria diabrotica' submitted to the above-mentioned authors was by them p)ronouiced to belong to a new genus near Neara. Our two species have three postsutural and three sternopleural macroch-tatw:
Palpi yellow, front in both sexes wider than either eye, front pulvilli
of male about one-half as long as the last tarsal joint; length, 4 to 6 mm. District of Columbia, College Station, Tex., and CaliSZweif. Kais. Alms. Wien, VI, p. 189; 1893.
2 Vol. VII, p. 251; 1893.





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fornia. (Amer. Naturalist, Vol. V, p. 219; 1871: Melanosphora.
(Celatoria cratwii Coquillett, Insect Life, Vol. II, p.233; Feb., 1890.
New genus near Neera, Brauer and Bergenstamm in litt.)
diabroticw Shimer.
Palpi black, front in male two-fifths, in the female two-thirds, as
wide as either eye, front pulvilli of male as long as the last tarsal joint: black; frontal bristles descending slightly below the middle of the second antenual joint, cheeks one-seventh as wide as the eye height, facial ridges bristly on the lowest third, antenna, nearly or fully as long as the face, the third joint two and one-tbfourth times as long as the second, as wide as the latter is long, penultimate joint of arista shorter than broad; thorax nearly destitute of pollen except on the sides, abdomen with a narrow fascia of white pollenii on the bases of the last three segments. venter of female thickly studded with short, stout spines on hind part of the second and third segments; front lpulvilli of the female nearly one-half as long as the last tarsal joint: wings hyaline, slightly tinged with smoky, calypteres of female white, the hind ones in the male strongly tinged with brown except at the bases: length, 3.5 to 5 mm. Franconia and White Mountains, New Hampshire, and Los Angeles County, Cal. Two males and three females, one male from the latter locality captured by the writer in March, the others taken by Mrs. A. '. Slosson and the late H. K. Morrison. Type No. 3555, U. S. National Museum ....................... spinosa n. sp.

Genus HYPOSTENA Meig.
Iyposfena Meigen, System. Ilesch. Eur. Zw eif. Insekten, Vol. VII, p 239; 1838. TachinoplhytoI lownsend, Trails. Amner. Ent. Soc., Vol. XIX, p. 130; June, 1892. 'sudomyothyria Townsend, lo. cit., p. 131. This synonymy is by the writer. Our species have only three postsutural macrochta:
1. Third vein bearing less than six bristles at its base............. 2.
Third vein bristly almost or quite to the small crossvein, hind crossvein near last third of distance from the small to bend of fourth vein; black, the palpi and apex of proboscis yellow; length, 5 mm. From the type specimen. Canada; Beverly, Mass.; Hartford, Conn.; District of Columbia; North Carolina, and northern Illinois. (Journal N. Y. Ent. Soc., Vol. III, p. 54; June, 1895: Thryptocera.) ................-------------------.... dunningii Coq.
2. Apical cell open or closed in the margin of the wing............ 3.
Apical cell closed, its petiole at least twice as long as the small
crossvein; black, the palpi yellow; length, 5.5 mm. From the type specimen. Avalon, N. J., and southern California. (Journal N. Y. Ent. Soc., Vol. III, p. 55; June, 1895: Pseudomyothyria.) ................................. tortricis Coq.





61

3. Femora and tibiae black; three sternopleural macrociuets, but the
lowest one sometimes very small, sternopleural hairs abundant and conspicuous .......................................... 5.
Femora and tibite yellow, abdomen usually yellow, at least on the
sides at base, second and third segments bearing discal macrochatae ........... ...................................... 4.
4. With three sternol)leural macrocluhtwe, face in profile concave;
black, the base of antennae, p)alpi, proboscis, apex of scutellum, coxaw, femora, tibia, and sides of first two or three abdominal segments partly or wholly yellow; length, 8 mm. Los Angeles County, Cal. (Insecta Saundersiana, Vol. I, 1p.:13; 1856: Dexia.
l(sicera euceratait Bigot, Annales Soc. Entomnol. France, p. 263; 1888.)......................................... pedestris W alk.
With only two steriiopleural macrochlute, face in profile strongly
convex; yellow, the apical two-thirds of the arista, upper part osf the occip)ut except in the middle, and the middle of mesonotum black; front in the male two-fifths, in the femitiale threefourths, as wide as either eye, two pairs of orbital bristles in the female, wanting in the male; frontal bristles descending to tip of second antennial joint; cheeks bare, one-sixth as broad as the eye height; antenna almost as long as the face, the third joint six times as long as the second, nearly five times as long as broad, arista minutely pubescenit, thickened on the basal third; thorax grayish pollinose, marked with fti)ur black vitta, scutellum bearing four pairs of marginal miacrocha'tw: venter of abdomen destitute of short, stout spines; front pulvilli of male as long, in the female one-half as long, as the last tarsal joint; wings hyaline, veins in the female bordered with yellowish, third vein bearing two or three bristles at the base; length, 7 to 8 nmn. Franconia, N. I., and North Carolina. One male and female, the latter collected by Mrs. A. T. Slosson. Type No.
3549, U. S. National Museum.................... flatcola n. sp.
With only two sternopleurals; differs from the female of fla rceola as
follows: Black, the second antennal joint and base of the third, palpi, proboscis, femora, and tibiae yellow, sides of abdomen basally sometimes also yellow; third joint of antennam four times as long as the second, nearly four times as long as broad; veins not bordered with yellowish; length, 5 to 5.5 mm. New Bedford, Mass.; Cuimberland County, N. J., and Tifton, Ga.
Twelve females, collected by Dr. G. deN. Hough, Mr. C. VW.
Johnson, and Mr. G. R. Pilate...................gilripes ni. sp.
5. Arista thickened on only the basal third...................... 6.
Arista thickened on the basal three.fourths, third joint of antenna
in the female three times as long as broad, front slightly wider than either eye, face in profile concave, abdomen shining, strongly tinged with bronze, base of second segment narrowly white pollinose. second and third segments destitute of discal macrochtetw,





62

venter destitute of short, stout spines, claws and pulvilli of female minute, the pulvilli scarcely one fifth as long as the last tarsal joint; palpi and entire insect except the wings and calyp.
teres, black; length, 4 nmm. Los Angeles County, Cal. From the type specimen. (Journal N. Y. Ent. Soc., Vol. III, p. 57; JunLe, 1895.) ................ .... ............. .. wnea Coq.
6. Palpi yellow, scutellum bearing three pairs of long marginal and
sometimes a short apical pair of macrochtetta, usually a discal pair oii the second and third abdominal segments ........... 7.
P alpi black .................................................. 8.
7. Third segment of abdomen pollinose on at least the basal two-thirds,
the lpo]len yellowish, abdomen subopaque; length, 4 to 9 mm.
Franconia an(l White Mountainms, New Hampshire; Beverly, Mass.; Maryland; Dl)istrict of Columbia; (,eorgia; Texas; Missouri; northern Illinois; Colorado; and SonoIma County, Cal.
From the type specimen. (Journal N. Y. Ent. Soc., Vol. III, p. 57; June, 1895. A nisi nigrocineta ? v.d.W., Brauer and liergenstamm in litt.).........................variabilis Coq.
Third segment at most pollinose on the basal third, the pollen white,
abdomen subshiing; length, 4 to 9 nm. White Mountains, New laimpshire; northern Illinois; District of Columbia; Virginia; North (Carolina; Tifton, Ga.; Ocean Springs, Miss.; Florida and Jamaica, West Indies. (Tranis. Amer. IEnt. Soc., Vol. XIX, p.
131: ; June, 1892: Tachi( wnophyto. P1eudomyothyria (indecisa Townsend, loc. cit., p. 132. Vibrissina sp., Brauer and Bergenstamm in litt.) .................................... floridensis Town.
8. Second and third segments of abdomen destitute of discal macrochata, gray pollinose on bases of last three segments, third joint of antenna, nearly three times as long as the second...10.
Second and third segments bearing discal as well as marginal macrochata, scutellumni bearing three pairs of long marginal macroclut.r and sometimes a very short apical pair............. 9.
9. Abdomen gray pollinosc on bases of last three segments, front in the
male three-fifths, in the female from three-fifths to three-fourths, as wide as either eye; calypteres white, sometimes tinged with yellow on the minargin; length, 4 to 6 mm. White Mountains and Franconia, N. H.; Beverly and New Bedford, Mass.; District of Columbia; Georgia; Illinois; Tucson, Ariz.; Palm Springs and Los Angeles Co., Cal., and Allende, Mexico. From the type specimens. (Journal N. Y. Ent. Soc., Vol. 111, p. 57; June, 1895.
Hypostena pusillax Coquillett, loc. cit., p 58.)......barbata Coq. 'This is the female of barbata; in the description of the latter, through an error in the printing, the male sign ( ) was used in the place of the femniale( 9), and rice versa. The two females from (C'alifornia under barbala do not have discal imacrochatae on the second and third segments of the abdomen, as erroneously stated in the description; they belong to randerwulni Town.





63

Abdomen wholly shining and destitute of pollen; front in male threefifths as wide as either eye; wholly black, no orbital bristles in male, frontals descending below the arista, facial ridges bristly to the lowest frontal bristles, antennae as long as face, the third joint six times as long as the second, arista thickened on the basal two-fifths; thorax shining, a whitish pollinose vitta in the middle in front of the suture, lateral edges also whitish pollinose: wings hyaline, two bristles at base of third vein, calypteres whitish; length, 4 um. Biscayne Bay, Florida. A single male specimen collected by Mrs. A. T. Slosson.. n itens nii. sp. 10. Front of female only two-thirds as wide as either eye, facial ridges
10 Frn-ffi, eol "
bare, scutellumin bearing only two pairs of long marginal minacroche:ta, hird joint of aintenn-e three times as long as wide; length. 3.5 nmn. St. Augustine, Fla. (Proceedings Acad. Nat.
Sci. I'hila.. p. 313; Sept., 1895.)............... macdulosa Coq.
Front of female almost as wide as either eye, facial ridges bristly on
the lower half, scutellum bearing three pairs of long marginal macrochavt;: basal three-fifths of the last three segments of abdomen. except a dorsal vitta on the first two, gray pollinose; length, 5 mm. Los Angeles County, Cal. (Elntomn. News, Vol.
III, p. 1:1; June, 1892: Mfyothyria.) ........ ratderrulp)i Town.

Genus DIDYMA v. d. W.

Didyma van (er Wulp, Biologi:a ('Cet.-Aniwr., 1)iptera, Vol. II, p. 156; June, 1890.

Our species are black, with at most the palpi and sides otf the abdomen partly yellow, hind tibia, on the outer side ciliate with short bristles:
1. Second, or at least the third. abdominal segment bearing discal
m acroch ete .................... ........................ 2.
Second and third, ab.lominal segments destitute of discal macrochtette, palpi yellow. hind crossvein slightly curved. nearer to the bend of the fburthm vein than to tihe small crossvein; length, 6 mm. Lake Worth, Fla. (Biol. Cent.-Amer., Dipt., Vol. II, p. 163; June, 1890.) ...................... ilncolspicua v. d. W .
2. Hind crossvein ncurved S-shape. nearer to the bend of the fourth
vein than to the small crossvein, palpi yellow; length, 4.5 mm.
Kirkwood, Mo. (Biol. Cent.-Amer., Dipt., Vol. II, p. 160; June, 1890.)..................................... exigua v. d. W.
Hind crossveini almost straight, midway between the small and the
bend, palpi black: length. 5 mm. District of Columbia. (Biol.
Cent.-Amer., Dipt., Vol. II, p. 161; June. 1890.) . timid v. d. W.





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Genus MACQUARTIA Desv.
Macqua-rtia Reavoidy, Essai siir les Myoilairt s, p. 204 130 Aatcdea Desvoidy, loc. cit., p. 207.
Albinia 1)esvoidy, loc. cit., p. 209.
Aporia MaV(uart, Dipte'res Exotiques, Stipp. 1, 1). 168; 1816. (Yon Huebner; 1816.)
Tbi~s~N-iymy, with the exception of the last one, is given by Schiner; I the name of Aporia having previously been employed in the Lepidoptera, the species heretofore placed in this geins may with propriety be placed in Mlactiuartiat, to which genus our' species has been referred by 14auier anid iBergenstanii in lift. Our single species is black, the base of the afntennak, palpi, and apex of pr'oboscis, yellow; three 1)ostsuturil and two sternoLpleural maci' chia~ta,'; length, 8 to 10 mm. Mount Was])illgton, I-N. H.; New Bedford, M1ass.; D~istrict of Columbia; Aurora Mill1s, Oreg., and Siskiyou County-, Cal. (List of Dipterous Insects, P~art IV, p). 841; 18419: Dexia. A4poria. limacodis
TownendPsN-clll V lV, p.275; Jn,1892. ]I1acquartia sp., Brauer and Berg-eustan in lift.)........................... 1ristis Walk.

Genus HYALURGUS Br. and Berg.
IHialure io Bratier awld Bergciista.mii, Zweif. Kais. 'Mus. Nviei), VI, p. 136; 1893.
Our, species, is black the. ba-se of antenna?, palpi, apex of proboscis, sciitelumtl tibi'(?. and tarl.si, yellow: three postsutural and three sternop leu-rill 11mcroch t, last three seg-nients of abdomen bearing discal and marginal niacrochivta?. iniddle tibia each bearing three macrochwtve on the frout side near the middle; length, 7 mmo. Illinois. (Can. Entomologist, Vol. XXIV, p. 81; April. 1892: Mlaequartia.)..joknsoni Town.

Genus POLIDRA Macq.
Hamrrsio Mleigcii S% stein. Besch. Eur. Zweif. Iusekteti, vol. VII, 1). 260; 1838. (Non IDesvoidy; 18;30.)
JPolidei -Macquitrt, Annwiles Soc. Enit. Franc*e, p. 92; 1818. Somoleja Rondani, Atti Soc. Italiaua, Sdi. Nat., Vol. VIII, p. 3.5; 1865.
Polidea wais proposed for the genus Harrisia of Meigen, the latter name having been previously used in the Diptera. According to Brauer and Bergenstaim, Harrisia of Meigen is identical with Somoleja of Rondani .2 Our single species has the body and sides of the front shining black, with a tinge of bronze, almost destitute of pollen; three postsutural an(I three stertiopleural macrochfetwu, last three segments of abdomen bearing discal ones, third vein bristly at least halfway from base to small crossvein, middle tibia? each bearing two or more macroch&ata' on the front side near the middle; length, 5 to 7mm. Georgetown, Canada; White."Mountains atid Franconia, N. H.; New Bedford, Mass.; Fauna Auistriaca,, V'ol. I, p. 528; 1862.
2Zweif. Kais. This. Wien, V1, p. 231; 1893.





65

SOW]) Nvilldsor, Comi.; Cowstaittfiie, Mich.; Nortlierii Illinois,, aml Los "Allgeles Cmulty, Cal. (I.Ji'st of Diptermls 111sects, P-'Irt IX, p. 766; I'S49 : T(( C/I [Im. Tryphcra of lit crica im, Towi)seiid, Claii. Eiitomologist, Vol. xxfv, 1). 78; A-pril, 18192. Tryplt(,ra Imlidoidc,'; Towi)seitd, loc. cit., 1). 79. Pol'idea (tmcricmia Townsend, loc. cit., 1). 8'2: fromi ta cotype specimeii. Smitol Ja sp., 13rauer and Bergeiistamin in litt.). arcos Walk.

Genus HYPOCHIETA Br. and Berg.

,F qpoch(vta l3raiter and Bergenst 1111111' ZW('it*. Kais. Allis. Wien, TV, 1). 93; 18819.
The type species is black, the first tw() alltellIlal'j()illtS' palpi, apex of prol)oscis' alld the tibi'v, yellowish; three postsiltitral aild two sterlioplellial lit acrm"Ilwtw; leii4l',-tli, 5 nim. White Almuitaiiis, N. IL (F,,Iuna, Atistriaca, Vol. 1, p. 524; 1862d: Frir(ddski((.) ----Genus PELATACHINA Meade.
Hyria Desvoi(ly, Ilistoire Natitrelle Diptires, 1). iwo; (_Von I anmrck, 1819;
non Stelil)ens, 1 ,29.)
Pelatachiva -Meade, Entoniolm"ists, N'loilthly .1la-a'Zille, Vol. XXX, 1). 109; 1894.

Tbeabove name was proposed for the (reims Hyria, of Desvoidy, the latter iiame liaviiig beeii previottslY tised ill the Alollmsea, alld also ill the Lepidoptena. Our ,.;imAe species is black, hicludiiig t1w pall)i; front of female aswideaseititei-eye, two pai i's (4* orbital l bristles, -uid I)elifiid the, posterior paira, pai r of oit t w a I dly cm. v i it 4 slightly in frolitof the lowest ocellus; frolital bristles descelldill(I. to basal f'61ti-th ()f the see011dJoint, of the antenitw, ktce. goldeu y(,Ilo\v pollimse, clwek. ne,(irly onethird as broad Its the eye-hei(IJit, oit a, level Nvith front edtl,e of
oral martin rido-es bri-,tly mt tlt(,, lmve,4 fourtli, miteim(k, iwarly as long
-is the filc elthe t1lirdJoint olle and mle-IlAf times -,Is 1:mg:,ts, the second arista thickened ()it the basal. two-fiftlis, the pemiltimate, joint broader thaii long; tlior.tx gray polliiiose, marked with three black vitt,,v, three postsuturtal aiid t1iree sternopletiral macrocluetw, scu tell it in bearing three loug nuarginal pairs al)(Ionteu gra T pollillo.Se and with darker retlectillo. Spots, llairs depressed, first segnieiit bearing a marghial pair
e* zn
of macrocliatze, secoii(I with two,) fiscal aiida, maro-inal pair, third with t1nee, dismal pairs and a margiiial. rmv; middle, tibiZe each bearing three or more oil the front side near the middle; whilo-s liyaline, third vein bearino- two bristles iie;ir the base Fmrtli veiii beymid t1te beiid arcuate; calypteres white, iiarrowly 1111 rcnlied with brown; length, 9 nim. No locality, but evidently from the Uiiited Shates. A shigle, feinale speciwell. Type __No. 3546, U. S. Natimial Aluseum. (Ilyria sp., Brauer and 13'ergeiistatim i in litt.) --------------- --- ------------- pelb(cida it. sp.

'This species is referred by Sebiner to the Tachina longicornis of Fallen, butju(Iging from the description the two species are, very (listinct, a, c(mclusion already reached by Bratier and Ber,.Wustamiii.





66

Genus RACODINEURA Rond.

Rocsclia Desvoidy, Ess; i i sii r bl-s ?N1 yodn i res, 1). 145; 183 W. (Nua l1noblier, 1816.) Racwlinvt nl U4,10,111il Diptenlhwir 1t;d1cx Pro(Tronnis, Vol. IV, 1). 31; 18(;1.
The after tv rm was pi-oposed bv I'Zoii(laiii to take the place of Ittoeseli;I, which 11(ad previoll"-fly becii iii the Lepidoptera. Our sHigle species is the aiitcimt,, lower part of fiace, palpl, fel-11011,A, alld
tibia. yellow: frollt of feill:fle sli(ditly over Ovice as Nvide as either eye, t\vo pairs of oi bital bi-i:-41esl frolltal bristles (leseemilmy to tip of seemid antemial joint; sides of fiace -.It llarroNvest polite each almost olle11,11t, "'Is Nvide as the nle(liml tlliiill\- bristl.y olle-tifth of
di"4,111cc from lo\\-(".;t Irmit.il to the vlbrisszu, the latter oil a level witli fiwit ed,(,le of m-A mar,()-iii: ridges bri.stly oil the lowei. lialf, but the uppel-Illost brlstle'- very short clieel%s slightly over one-balf (as broad
-I,, the e -c hei--fit ; alitemm, ilmost as Imio, as the I*,ace, the tliii d joint five times as bm", as the secoild, arista thicl elwd to the iiii(hile, the pellultililate, Joint broa(lel. th"I'm ]om)-, thorax 1)011111(-)Se marked
with 1 6111. bhlclk vitt;1" kmr poststituril m(l three steritopleimil, mavI scut ell it III be'll.] I I ". 16111. Im ig. 111,11-gillal pa I I -S ; ab(lollw l I op( I (tile,
O)T Iv polfillose. hi-4 t1trec sco-Illelits be lrlll" M111,0111,11 Illm-rovIl'ut'i" illidMe tibi;v cach bearilig Olive or mor( oil the fi-mit sl(le iwar the mid(Ile;
N ill-'s livAille. t1w hlse -ravish. third velli beal-1114-Y I sill(fle bristle lle ll. the b4lseq hill(I cros'.NVOIll 11cal-h- stral(rhtl mldwcav betweeii the sill-fill 'and the bell(l of Ilic foul-th ealvi)teres \011 te; lenotil, 9 Dim. Tiftoll, Ga. A fililmle speclillell Collected October I I 181t)6I by INfr. G. It. PIL11c. 'l, pe -No. -Natimlill. MIISCUIII ...... (tMeFicaim U. 8P.

Genus ERVIA Desv.

1.:rvM I)t-svimi.y. ,ur le, mvmhires, 11. 225: 1,830.
Om- silll(de species 1, bhwk, tile fiace -.110 moreor Jessof tbeantenmrip, felliora. ;11141 t1hi'l., alsothe greiter portioll of the sides ofthe firstfliree scg-111clit", of, the '11)(lomell fit the mlle, yellow; three poststitur-al and t4tree sternopletiral macrochaLt,-;; length, to 10 mm. A01.1-i(mItural colle _,NC, Miss., alld I'lit'lkiii, Tex. (E'jicyclop( die AU,thodlque, Vol. V111, 1). -121'3: 1811: Ocyptcre(.) ........................ triquetra Ofiv.

Genus LESKIA Desv.

Leski(l Pesviold.v$ Essai Sur les .11.voll;lircs, 1). 100; 1830. M/ oil, I loc, cit., 1). 98. NOn I I eydell 1896.)
/ la Desvo*d.\
' oh(ria Desvoidy, AnnAcs Soc. Ent. France, 1). 461; 1848. Orillia De"'voidy, loc. cit., 1). '1 T 4.
A01wica Roudani, Dipterologi;t, Italica., Prodromus, Vol. IV, p. 8; 1861. Pyrrosia Rondaiii, loc. cit., p. 48.
Rond-ani proposed the iname, Anthoica for Myobla, which is preoccu41P
pied in the Aracbnida, and erected the genu-s Pyrrosia to include Leskia, Solieria, -.1ind Orillia. Brauer and Bergenstamm place Leskia and





67

Myobia as subgenera of Pyrrosia,' but make ino mention of the other three names. Our species have yellow legs; three postsutural and three sternopleural macrochiztt-e:
Scutellum largely or wholly black; abdomen yellow, in the male
marked with a dorsal vitta and usually the base of the fourth segment, in the female with a dorsal vitta on the first two segments, black; length, 6 mm. Bucks and 1)Delaware counties, Pa. (Journal N. Y. Eit. Soc., Vol. III, p). 105; Sept., 1895: Myiobia.) ...............................-----------------------------------......th ccata Coq.
Scutellum and abdomen yellow, last two or three segments of the
latter sometimes marked with a dorsal spot of brown or black; length, 7 toll mm. A(ndover, Mlass.; Ithca. N.Y.; Jacksonville, Fla., and Onaga, Kans. (Journal Acad. Nat. Sciences Phila., Vol. VI., p. 177; 1829: Dexia. Myiobia depile (Coqluillett, Proc.
Acad. Nat. Sciences Phila., p. 313; Sept., 18195.) .... analis Say.
Genus LESKIOMIMA Br. and Berg.
Leskiomima Brauer and BIergenstaIIIImm, Zweif. Kais. Mus. Wien, V, p. 372; 1891.
The type species is yellow, the Ul)per )art of tlie (c(ipult, dorsumn of thorax, tarsi, and usually a few s)(pots on the abdomen, black; usually three postsutural and three sternol)leural macr()och1etie; length, 6 to 8 itim. White Mountains aid Franconia, N. I.; New York, N. Y.; Chlester County, Pa.; Virginia ; North Carolina, and Lake Worth, Florida. (Ausser. Zweif. Insekteii, Vol. II, p. 251; 1830: Stomoxys. L(skiomima tenera Wied., Brauer an(( Bergenstamnm in litt.)......... tcnuc'ra Wied.

Genus APINOPS, new genus.

The characters of this new genus may be gleaned from the following description of the type species: Black; head at vibrissw slightly longer than at base of antenna,; front, including the vitta, gray pollinose, in the male about one-half, in the female two thirds, as wide as either eye; ocellar bristles directed forward, frontal bristles desceiding nearly to middle of second antennal joint; three pairs of orbital bristles in the female, wanting in the male; antennae six-sevenths as long as the face, third joint one and one-half times as long as the second, rounded at the tip, arista bare, thickened to the middle, the penultimate joint slightly longer than broad; sides of face bare, each at narrowest part scarcely one-tenth as wide as the median depression; vibrisswc strong, situated on a line with front edge of oral margin, two or three bristles above each; cheeks one-seve0th as wide as the eye height; proboscis slender, rigid, the portion beyond the basal articulation one and one sixth times as long as height of head, labella not developed; palpi minute, scarcely longer than broad, tipped with a short bristle; thorax grayish pollinose, marked with four black

'Zweif. Kais. Mus. Wien, VI, p. 140; 1893.





68

vitt,-,P; three lwstsutural aild two St erilolAeural lullcroch-efi( V; sentellum bearing three pairs of long marginal niaerochwta,; abdomen shining ,
* pair of 111"h1--ill"d lllilcroehwti( oil tile first and second segiiient,4 and
* nwi-gitial row oil the third; crenitali-a I)rojecting at le-Ist twice. the leiigth of the fourth abdondual s.c,,-iiient beyond the latter Carved bene-alli the abdomen; first segmetit, (W ab(1LOiiien, in the feniale, greatly dilated veitti-ally; lifit(l tilwi, not ciliiite Nvith bristles.; front pitIvilli in female olle-halt, -Is 101)(" ls, iii the nialc about as 1011cr as tile last tars'al Joint; will's byalille, (I Sino-le. bristle -,it base of the third vein, other veiii.s 1).tre. tpic,_il cell opeii at the exti-cnie tip of Aving, bend of folli-th vein arciiate, Iiiii(I crossveiii nem-IN- perpeiidiculai-, nii(lway between the sitilill crossveiii and beiid ()I' the fimi-th veiii; elalypteres wilite; length, 4 to 5 nini. Smitherit I llinois. I'Nvo males :-ljid ()lie fettiale collected by Charle6 lk'obert soii. TYI)c V. S. -Natiolial 'Museum. alra 11. sp.

Genus LEUCOSTOMA Meig.
Leiwo,,4opno Mcil-cti, hi ]HIg,-r*s flir Vol. 11, 1). 279; 1,S03.
Cle./M 1W.S\ ,IIr Irs -M .N 1). 2'_ _);
Psalldo Rwolalll, 1t;i11c;,. Pi-m1roinw,, Vol, 1, 1). 76; V 56.
This svimjivm is givell 1)y all(I rcpeilted by Braller alld
13411'12 4 ]I St'i lilt 11.2 OIll. pccics irc I)Llck. tile palpi sollletillie s yellow; three "Illd IISIMHN IIH-Ce j)()StS1LtU1U1 JlMCr()Cll(PtW:
1. Thonix Atilost destitlite of pollell, fi olltal Vitta at the
1()\N (,-,t 4wellits llarrw\cl. timn eithei-side ofthe front -(It thesaiiie
Imillt. ScIltellm ll 1warill", thl-CC Of 111,11-2111,14
first two sco.mciits of* abdomeii ctch bearime a illargin-al pair,
pall)i Ycllow.
Thorax opiyic. (rnty pollitiose. f'rwital vitta of 1'emaleatthe
lmve- t occlhi-, twic(, ,I's Nvi(lc (1 4 either skIc of, the froilt, pall)i
; fl-olit ot, 6,111:11c wle md ojw-tlilrd tiiiies ws A-ide as either
t wo J)"tirs (d, m-hital 1)1.1'stle., clwcl oiie-sixtli is wide as the tllitell1w. two thlr(l,- ]oil(,, as the i'lice, the third .iollit as lolltr as tll(, "ec()1ld, arlst i thicheiied on the basal threefift'lisl the j)eiittltimat(_ ,joint softer thtait broad; thorax not disthictly \-itt-(it(,, scutellitzii Jeiiselv gray I)OIliDose, betIring two 1),111-S of ill'il-gillal ill acroci i i,t;v, abdomen sliining, basal
(rra 1)olliiiose, first two segments destittite of those of the other two segments very
short, genitalia ot' female claw-like, curved beneath the body; wings hyalhic, third vein bearing two or three bristles near the Vasel hind crossvein straight, one and one-third times as long as the last section of the third veiti, situated midway between the small crossvein and the bend; calypteres white; length, a mm. ClementonN. J. A single female specimen collected

Fauna Autriaea, Vol. 1, p. 542; 1862.
Zweif. Kale. Alue. Wien, VI, Index; 1893.






69

-May 30.11895, by Mr. (C. WV. Johitson. Type -No. 3563, V. S.
National Mu~vseum ---------------SO opuca ]I. sp).
2.Abdomen entirely (lestitulte of pollen:it gli -4 to .5 mil. White Mountajiiis. New H ampshire; MNassaci setts. anid i iortherli 1lii11015. (Trans. Anter. Enit. Soc.. Vol. XVI p._N )cibr
1891.) -- - - - - - - - - - - atr(( Tow ni.
Albdomen grayish polliose oni the 1wises of the last three Seginen("ti;
lengltthl 4..5 to 7 ill. Maryl7and; Tiftoii, (a:Las priceses, N.
.Aex. : Canon C ity. C'olo.. anid Wasliiiurtuii. ((!l1. EntILflolgst
Vol. NIXIV. p). SI1 April. 1892: I'hilt. Lciw-ostmmt iieomeu'xu'a Townisend, loc. cit., p. 169; Jfly. l~iuto u wrworni4 lomtseiid, loc. cit., p. 170); fr~oml a cotvIpe s1ecillill~l.) -------- settilis Towni.

Genus SCIASMA, new genus.

The characters. ol this 2geiis~- may be gleaned tr(1n the table of genera gi veil ii a 1)reviot( pa Wrt of the pre.senlt work aiid fr on the tfollowin0ff descri 1(pti1 of' then type spec~ies: Bi a k. the : ite1i a(mid pa oi yelb iow. the l~einora 54ilneti es 1 otrtly or i11 whlly yellow; h'( nt of' male from as wide to t wice AA; wvide. inl the teiiiale six time itis wnl e. as width of lowest ocellus. b are except the 1T4 ohtal b ristles whi (lescendl to base of 'Secoll(l. alntennal join t )celkar bristles w-atiii~r, two 1i airs of orbital 1bristles inl the feitiale. wanitio inj the ittaie cheeks one-tenth as wide as the eye-heiglht, sides olaear.each sc(arcely as wide as the lowest
ocihseyes bare. ()iisa it a level wit tli roit edeof oral mirt-ii,
two or three bristles :alove, ieh: head at vibi rsswi almost as 111gas at balse of antein'. aniteii fromi threce-fourthis to four-fifthis as loiS as the lace, thjtori.(1 t twice ats lio 'Ias I lIe second. airist:I ba re, thickenledolil the baoial fourth, the penultimal~te j P1 ut shorter tha ii b road; bodyV shiniii g, destitute of pollen : two postsuutn ral ald threee sternlopileuiral macrochatie. setitehlum lw1 man ig t wo 11in arnna piris. al do inleh of four seg(ineilts, the first two~ destitute of dorsal iiiati'~cfii4ta. the thiirdl and fourth eachi with a mtiari-nal ro0W genitalia of miale large. curved beneath the tlhirdI ahd toirti selo'meiit s of' the abdomieii. i the female nealy concealed iii the fourth seguiit : Aviii li yahiiej costal cell brown, a browvii spot extendig from the imil crossveinl to tip) of second vein. and from the e(Psta to the fourth. or fifth veiii: third veini bearing a sigle, bristle at its base, bind crossveiii straight, ait first third or twoI! t'ths, of distance fromt the small to 1 eiid of fourth. the latter arcuate and destitute oft an lleul1e.apical cell closed, third vein eui(lilng at the extreme wingtip, its last section as long ais the 1hin1d crossvein; caypteres white except ai ulical half of' hind ones, whIh is 1black : hiiud tibia. not ciliate, dilated in the male, front puilvilli inl both sexes almol(Pt as lonjg as the Last tarsal joint ; leng-th. 3 to 4 mill. New Bedford. Mass. ; ~Janiesburcr IN. J1., and TIifton. ('a. Twenity-six males and one femafle, collected 1 y D~r. G~arry oleN. I lovigh Mr. C.* W. Johnson, anid Mr. G R. Pilate. Type No. 3.5641 U'. S. National M seum-------...nebiloa it. sp.








Genus HYALOXYODES Town.

J1 yaloinyode8 Tmv~nsciid, Psyche, Vol. VI, p. 429; April, 1893.
Our single species is black, the palpi yellow; eyes of male almost contiguous, but in the female separated at, least one and one-half times the width of the lowest ocellus; abdomien on last three segments gray Ipollinose, the second and third sewinexits in the female each bearing a pair of large triangular black spots, indistinct or waintinig in the male; front pulvilli of female less thami two-thirds as long as the last tarsal joint; length, 4 to 5 mmn. NVhIite Mountains, N. HI.; New Bedford, Mass.; Marylanid: Tifton, ("a., (and Colorado. (lDipt. Amer. Sept. I1(ldi (.Centuria IV, No. 85; 1863: Ily((lomyia. Ilyalontyodcs wcd ji 'Townsend, Psyche, Vol. V1, p. 430; April, 1893.). .. trimqpilf'ra~ Loew.

Genus CESTROPHASIA Br. and Berg.

(Estropkiasia Brner :mnd Bevrgenstamm.w Zvvcif. KASi. 'Mll. Wien, IV, p. 145; 1889. J'Iasi101dery.' BraIieri1 Ht'1r'-est:1aIum. loc. cit., p). 11W. iveomicra v.-n 4cer wutip, 1'iol. ('ent.-Aiiwr., Diptera, Vol. II, p. 165; Jiule. 1890. Ccuiooma vanl 4cr W1111, loc. cit.. p). 166. Liui'strophasui Towniscnd. Trolls. Anwr. Ent. Soc., Vol. XIX, 1p. 133; Jiune, 1892.
The synonymny of the last two wilth (Esfrophas"iat, anld of Neoptera with Phiasiopteryx, has already beeni liveii by Briier amid Bergrenstainmn11.' Mi siopteryx is not sutfficienttly (list inct, from (Eistroplias ia to be retained as a district ,'enws. Our species have three postsiitural and two sternopleiiral inacrochak~ta'
1. Wing os (les titulte of browNv 111;1 king 1 "s-------------------------..3.
Wing-s distictly marked with b~rown ..........................2.
2. lDiscal cell crossed by (a browni crossband, lbinil crossvein not wholly
bordered withi brown, a browni border to the fifth vein and a brownv (ros51)and beyond the. disc cell ; yellow, ail ocellar (lot and usuamlly fromt one to three spots or a fasci'a on lifl d marginm of each segEment of the abdoninei, and sometimes one ornmore on the
thoaxblack; lengthy, 41 to 5 mm. Toronto, Canada; Franconia,
N. I I.; Iifladelpiia, Va., and~ Florida. (Biol. Cent.-Amer., DiptaVol. IfI p. 167; June, 1890: (Jeniosouw .) - sifl/erat v. d. NV.
Fiscal cell not crossed by a brown crossband, hind crossvein borde'red with brown, second basal and. anal cells, and win"' in tfront of third vein from lumneral to slightly beyond small crossvein, also ,a brownie crossband extending over the hind crossvimi and bordering the fifth veiii except near base of discal cell, bro-wjii; y-ellow, thc upper part of the occilput sometimes blackish, thorax sometimes black dorsally, or with two vitt~u and ami anterior sp)ot black; abdomen with the hind margin of each segment

'Zweif. Kais. Mus. WNien 11, pp. 218 and 234; 1893.





71

black and sometimes; Nvitit a black dorsal vitta, leiioth, 5.5 mm.
TeNv ksbury, -1 ass., and Veta Pa ss, Colorad(). (,ZNveif.Kais.i)1lis.
Wielil IN-7 1). 1453 IS89: also in lift.) ------ clamvt Br. and -Berg.
3. A-ntemm, r(,ach-ing at least halfway to the oral illargiu, the tip less
flian the, lenollt of the se(-,ond Joint froin the poiiit where tile facial rido-es,,al)pro-ach each otlier the mwsf Oosely; submarcriiial cell iii the little scarcely m-er one-half as wide tit(, o-reatest di4ance frmn t1w Ott r(i veiii to the it ind mar(viii of the willo, front ill the female iioticeablv widening, aiiteriorlN ----------- 4.
Anteumv reaching two-tifths of diz-4aitce from tlieir base to the oral
marcriii the tip nearly three times the lemyth of the secondj(dilt frolli tit(" polite where the ridlg-e,; -tpproach each ()tli(?r the mo-, f c1t)selv, front in fein-tle t liree- fmirtfi s a.-; wide as eye, its Sides (Acem-diii(v to Bratier (ind F))er(,em-;tamU1, the
stiblilanglital cell ill the i1i'lle is (,t-, wide ,is tlie (Yreiitcst distattee from the third veiii to the Iiind mar(-) in of tlie will(,-, and the SeCOIA vein near its middleaii(l the cwst;i opposite e it are greatly swolleii.) mm. T( xas. (I Zweif. K tis. Wien, IV,
1). 1-17 I SSO: I'll ((.,;ioptcrYx. -- Lls.() io lift. i l)-(*1i)iwk-ii Br. and 13)erlo4. Front iii t Iii- itt;tle iie-m-ly mie-half, fit t1w I'Cmale tw()-thirds, is wide )11(1 N-Cill hl tiW 111,1le Wit'll a 1,11-0 4' SWOHLIO' 't- (,*tliei- eve: "icv( z"If
iwar tite middle and :motlter mt tit(,, et)sta opposite it; stibmaro-illal cell "111im-4 twice -as wide a lell(vtlt of die himl crossvein; leno-di, 5.5 to) 7 mai. Cliarl()tte ll.trimr. Flm-ida. (Journal N. 1'.
Ei i t. Soc., N'()I. 111, p. 52, Jime, IS95: Chltiom yi(t. Ph a 8 it)p tery.t. bilimel,-ii and Bero%, l1raller aiid Berovnstainm iii
lift.) ---------------------- -p illictO (I C Oq.
Front ill tlie umle scarcely one-eig-11til. ill the felliale mle 'tud ollet1iird tillieS, as Nvide -,t,, eit1wr eye; ecmid veiii (le,;tittite of a 14WOllitig, stibmargiiial cell les- t1mit two-t1iirds as Nvideas leiigth ()f hind crwssveiii; lcitgtli, 7 1() S mm. Ge ()r(ja, 'Fexas, ,uld Colora(l(). (Aimttles Soc. I'Aitoutol. 1,"I-killce, 1). -68; 1888: Pyrrosia.) ----- -------------------------------- (wltr(wea B io-Ot.

Genus CLYTIOMYIA Rond.

Clyti(t DeSVOidy, EISd stir les MN-()dAr(-, 1). 287; t Non L.-Imarck, 1812; won
Huebner, 1816.1)
Clytiomya Rondani.. Dipterolopia, ltalie.i Prodromms, vol. IN7, p.
The latter term was propo. ,ed to take the place of CIN-ti,-t, which bad been used twice previously as, a generic na-me. Our Species have three postsi-itural and two sternopleurA macroehit-tw:
Legs black, entire insect, except the yellow palpi, black; c.alypteres
white, wings fiv,-iliije: length 7 nim. AN-a-;l-iiii(rton. (Journal N. Y. E lit. Soc., Vol. I 11, 1). 5,3; Jailel 1895.) -------- atotta Coq.
Legs yellow; head and its members except the eyes (flid upper part
of the occiput, usually the apex of scutelltim, aiid ilidomen






7 2

except a dorsal row of spots and the Iiind edges of the List two yellwv: List two se"onelits of -fibdolliell sollictlille'S afillo.4 wholly black: ]Oilo-th. 5 to 8 111]]). -NN-Ilite Mountains New Hampshire, and Agi-icultural College. Miss. ji alls. A-m.
Ent. Soc., Vol. XV111, 1). 372: Deeeiitbei-, 1891 : Clytia. Redtc)t baclieria Sp., Br,,itter and Dergenstainin ht litt.) ----- 11(v(i TOWD.

Genus EUTRIXA, new genus.

Tile. principal characters of thi-s o'enns liave bcell (riven in tile t,-Ible of geller.1 on 1weviolve, p-Iges of t1lis The type species is 1)1,10 7
tite ]()\\-eL'P.11't 4d 1-11C fi'Ont. f';tce, ajitemii,- ba.- e of ari.sta. cheolisi'lKoboscis, palpi, feinovi. and t1bI ;k,. yel1mvish I; ;ipcx of antennae and the probosei,, ; sonletillies In-mvil tlll cc Imstsiltill'al (III(I two stcl'llopleui al ]I) acl-ocllict;(,; "Ipex of* 'llitcIll);1, less thall the lell'jil of the second antellil"d joint fi-oIll Ow Iwilit whel'o the faclA I-HIg-c" (Ippvo lell each other tbe most closclv: to nim. Fi--mconia N. 11.; M',n-ylaiid, and Dish-ict of Cohmihi'l. List of Diptel-olls filsects, 1"111 IVI
7;-:): 184(k): Tm-Iii)w. Chlbeotqjol cxilc 0)(11111lett, 'joul-11,11 N. Y. Ent.
1). 0i J1111c, 169- .....................

Genus XANTHOMELANA v. d. W.

Nanthomelawt v:in 414,1- W itlip. 'J'1.1(1. vor it miiol, -W, Vid. XXXV, 1). 188; 1892.
-Va n Ihom plo )/Odf T ( lisc III i t I I: I, I I; t I I E I It I] I N, (I I. X X V I I ;T Jill v, 18!1:1.
The l(Ittel. liallic Nv ls proposed for X(Illtholliel,111a linder t1w l1listallLoil idc-'I t1lat ]).,III]c I-, pl-em-cliple(I by Xalitliollicloll but file hvo tci jlls (10 not collthet vlfll c(lell otllcl% Oill- tNN-0 specic"; 11"I've tIlree postzmtural macrOcfi;0,i,. sclit('1111111 be.11-111(" two pairs: -Will(,.s oil
cost'll 11"llf (a. lcss the rellulill(lei, II villille OF 1- 111)11 valilic:
1. Oral mai-(),in betrMO, hlacl iiiacrocliHr in I(Witloil to the vibi-iss.l.
legs blacbL, bilses of' F(II1101,11 NICIlow -------------------------
Onil (leslitiltv of bllck jjj(ICI'0CI1;(J,1, be'si(lcs flle vibl-iss v
1(7, (),S vcflmv lplcc (d tll)l;(, '111d the black- bbl(.1, tile antenmt lace, cllecl s, palpl, "11)(loillell except a Spot (m vach side of first scomeiit- it its bise aml a tri.mo-tilav dors-11 spot on postelior 1)(Irt of second '111d 111*1A sco-Illel)ts cox ,( felilora, 11)(I tibiir except the ipWc,-;, vellow; al)(lomen sfiinhj0', the f2burtit segilient -,111(l ,,Onietillles the base of the third thinly yellowish pollinose: NvIllo's hyalille, the Costal lmli ojll tosli Iltly lj(,I:)w t1le t1liI-(l veill silloky bl.-ONN-11; postol-ior yellow, tile Wses,
whitc; length, win. llorsenecl Beicb, Mass. A spe(Amell of' e."Ich sex collected Augusf 4, 1896, by Dr. Garry (1e.N. Hough.
Type No. .3566, U. S. 'Natimull -1111'selim ........... Y a ij) ('s 11. s P.






73

2. Abdomen black, sidles of first two segmnits and1 usually the front
corners of the third, yellowish, front feiiiora almost wholly black,-, three sternopleura1 macrocliv; lengtli, 6 min. CDoloradlo aud southern Califorunia. (Jour. Acad. Nat. Sci. Piladelphia,
Vol. ~ ~ ~ 2 V,.13;82: ()uyptera. Stctcn'ia, jfictipes Bigot, Anil.
Soc. Ent. Franice, p. 254; 1888.) -----------------arciaa Say.
Abdomnen wholly yellow, front femora broadly yellow at the base;
two sternop~leural njacroelI;L'tai; leniotbj 6 mIin. Northern Vii'giiiia. (Jour. Acafd. Nat. Sc,-i. Philfadelphiia(, Vol. VI, p). 172;
1829: P)hasia. Taclit a coryth as Walker, List) of IDipterous
Insects, P'art IN', p. 797; 1849. 11ahlhbcrqia ((tpti)Clfis Towvnsen(1, Proc. Ent. Soc. N\ashino'vtoni \o i. 11, p. 1-1-5; April 21
189.). ..................................((trifihis Say.

Genus HEMYDA Desv.

Itemyida Desvoidly, Essaii siir les Myd ies7 1). 226; 1830.
Our si ii '1e species is black, the palpi, Iin tern, 'a large spot on each sidIe of the secoli(Iabdoininal scriiieit at the itidlel thie fi-oiit corners of the third segment, the cox-tv tibiv aiia 1(1Irge p)ortioni ot' tie. fetnora, yellow; three lpostsutlural and( one stenopletiral iiiaecioehaet.e, scutelluin bearing three iargiiial aiirs: frontal vitta, lti li ly polished : leti gth, 11 min. iNorthern Illinois. ( Loc. cit.) ................. arata IDesv.

Genus BESKIA Br. and Berg.

Beskia. llranier and Ber~eiistainiti. Z-weii. I~ais. Museum \Viei, TV. p. 139; 1889,
(.)eiptcrosipha T1ownviid, ,Journtal N. Y. Enit. Sow., Vo.11' p. '79; hi ne, 1894.
'This syiioiiyii has alreadY been lul)i511Cel by Dr)i. WillistonI.' Th~1e type species is lack, tfie abdomen yellow., calypteres white, wings smoky. three poststitural andl t~i ree steriojleuira I ii aroch:ita : lengt4Im 6 m1m1. BoNykins. Va. ; Tiftoit, mi. ad Temas. ( List- of' D iperouis lInsects, P~art IV, p). 796; 1849 : i((Ch mal. NCS'sk( ('or)il Bl( raner and I rgnsam Zwi.Nas ils ienl IN', 1). 170); 1889. (hilpterosi))Ila wiillistoni rlX)xwlselId *loiinii1al -N. Y. Emt. soc.. \-oI. Mt }. 19; jtune, 1894.).........................................lops Walk.

Genus ISOGLOSSA Coq.
Iso qiossa Coquillett, ( ':madian Entomiolot-ist. Vol. XXVII, 1). 12.5; Mfay. 1895.
The type species is black, the~ palpi, sid1es of' last, three abdoniial segmnents except t the hind miarginls of the Second( and tit ird, anid the apex of the abdomen, yellow; thire'e post siitral a id three sternoletiral ma(Trocha'ta~; lengthj, 6 mam. From the type specimn.t Los Anigeles County, ( 'al. ( Loc. cit., p*. 26.)........................-- astaft ( 'oq.

Mlanmual N. Xiner. D iptcra. 1). 119:) 1896.





74


Genus EPIGRIXYIA Town.

T'pitIrOnyia Towiivn(l, Trans. Aincr. Ent, '-- oc., Vol. XV111, p.'-")7,-,; Deceinbcr, 1891. j,)rcpa,,Otj1o,,5,a TwN nsend, loc. cit., 1). '1377. ,, iphoclplia Town, ciid. loc. cit Vol. XIX, p. 117: May, 1, 92. S 1)) 1, q) b )Ito Townsend, 14w. cit.. 1). 127.
Coronimyia Townsend, loo. (-It.. 1). 128; June, 1892.
This sylionvillY is ()r'fYi1lll with tile writer, mid, ill the case of Drepanogl()ssa. Is based upoit cotypes received from Mr. Towuselid. The open or Oosed cell is not a character 4 generic importance; in
fa (rivell specICS, S0111C SPecilliens bave it olwn while in others it is clwsed. All ()fmir spech-, have on the finii-th seo'nient oftbeabdomen Oilly it stlblllal (Jllal 1-mv ot, it) it eroch;l 4,v:
1. Felliora yelh)w, three Postsutural aiid three sternopleural macro....... ........................ I ............. ......
Fentorii and tjbi (, blacb- ...................................... 4*
2. & .utelbim vellm \ .. ........................................ 3.
Scut('1111111 and pr(dmsci s hLick. the latter beywid the baq:t] artienliltl011 MIC Hid mic-third times as hm(ra,, beig-lit of lwad, f,()Ill.tll
(-rlllcllt (4 '11)(Im nell n'(1411"ll S
I i les first two segnients
\-(,l14)Nv 4 to 7 111111. Tittoll, Ga. (Trans. Atner.
E'llt. Sm., Vol. X1Xj 1). 117 11(ayj PS92: ANiphoclytia.)
robc)-tso0i Town.
.3. Ai-ista lhicl ciwd on at least Ilic ba.- ,d two-fiftlis, proboscis beyotid
the 1)(18,11 articulatioll t\\-ic(, is lmi (2- a,,; beiglit of' head, three tillic'-; 'Is lml Ir 1, the pal pi leii 1,'t It, 6 ill ill. From two cotype
sp("v 1111 e I 1.- L1-, Crilces. -N Mex. Tralls. killer. Elit. S()(-,. 7 Vol.
X N'l 11. p,, 7,S; Dccemlwr, IS91 D)-cpeOiof11oss((.).. lucensTown.
A1.1"ta 0 1 Ick cned oil the lm ,al fimrtli, proboscis one and ODe-half
t1111c.,; Im lo. ItePrill (fl, lle ld, hvice as 1()11(" as tile palpi; lell(PA). S 111111. Solithel-11 C,111t*()I Ilia. From tile type specimen.
Fjljtom4do1(,-ist'7 'oj. XX Jl, p.1-216; May, 1895: Pre... ............ ................ Occidcntalis Co(j..
4. Abdomcn not pollinose on '.1pex of eaell 'segment --------- 5.
Abdomen wliollN- pollino-se, tla'et, postsutur-il aiid three sterilopleiiral
macn)(1j efv. pi-()hoscis I)eyoiid the Nasal articulation one and oile-11.11t, filtle -; as bmg as beip-lit, or bead, palpi yellow; length, 5mill. Ul-wil tile type peclmeii. Calit'Ondit. (Canadl EntoiriolOO,-ktN-ol.xxv11,l).12,S; Alay,1895: k 'il)ltol)hyto.)..oj)ac(,tco(l. 5. R dpi yell(m .................................................. 6.
Palpi black-, three Post";lIttinal and three steriiolAeural
pi-oboseis oneand three-foui-flis lines its long as height of heall; length70 nim. White MountaiDS, New Hampshire; Woodbury, N. J.; Suffolk, Va., and Tifton, Ga. (Trans. Amer. Ent. Soc., Vol. XV1111 p. 376; Deceilber, 1891.) ............. polite Town.





75

6. Proboscis at most one and] one-half times as long as height of head,
three postsutural and four sternopleural macrochiet,,e, second and third segments of abdomen shining except on base of each-------------------------------------------------- 7.
Proboscis three times as long as height of head, four postsutural
and four stern opleu ral macroefiwta', second and~ tllird segments of abdomen each marked with two shiniing black, triangular spots; lenigtli, 5 mmi. Alarylaiid. (Trains. Amer. Ent. Soc. Vol.
XIX, p. 129 ; June, 1892: COrO11iflujia.) ......../1~ticalta Town.
7. Third joint of anteniaw strongly concave on the tront edge; length,
5 mm. Wliite \founitainis, New lhampshire: D istrict of Clolumbia; Virginia, and Southern Illinois. (Tranis. -Amer. Ent. Soc., Vol. XIX, p). 128; May, 1892: Siphopltyto. ASiphopithyto neom cxicanus Townsend, 1. c. (Jymnpm- ra a miet' rica -B~r. and I )erg(,.
MISS., Brauer and Ilergenstainin in lift.) ...... lrdui on
ThirdI joint of antenn-e stroii ~4 convex Oil th(, fn nit edge; lengthl,
4 in. Soiitierin California. (Ca nadiani Ei toiiologist, Vol.
XXVI1, 1) 127; May, 1895: ASiphophyto.) ...........'wtiflcra Coq.

Genus SIPHONA Meig.
SplIova M~eigeii, in Jlliger's M.agazin flir Insektmnknnde, Vol. 11, 1). 281; 1803. IBii'ente.i Latreille, Genera C rust. et IiLsOctoI'Iml, Vol. IV 1). 339 I809.
Thtis synonymy is given by St. Fargeatiand Servihle,' and( repeated by most later authors. O ur species have three postsutiiral anld three sternopleural miacrocha'-ta(, third vein bristly at least halfway to thie small crossvein, two pairs of orbital bristles in bo0th sexes, palpi and greater part of tfemora and tibia, yellow:
1. Terminal section of' prolboscis laterally7 coin ressedl and widened,
at most tliree-toiirtlis as long as hieigh-lt of fiead......
Terminal section bristle-like, at least as, long. as 11eight ol head;
al )(onieL opaque gray polliose, black, fte sides of the first two or three segmienits sometimes partly orI wh-lolly yellow ; leiigthi, 3) to 6 mini. Toronto, Caniada; Wh'ifte Mountains and Fraiconia, N. fl. ; Beverly, Mass.; "DIistrict of Columbia;: Northi C arolina ; northern Illinois; Colorao: Enigland, and Austria. Two mitaes and1 one female froiti Austria received tromt Blrauer and B1erg-enstanin, and by them labeled ANiphofla y~en iidW(t eg also three females Ironi Englaiid, received from E. 1Brunetti, atnd by Iimi labeled $iphona !Icitici,-ata. (Menioires servir IIistoiP(e I iisectes, Vol. VI, p. A20; 17 76: 31usca. The following. synonymy is by St.
Farg-eau an d Servil e, i in E i eycl. Af (Atodiq ue, Vol. X, p. 501; 1828: So)moxys mti ta Fabricius, Systenia Anitliatorumn. p. 282; 1805.
The folwn sby .Meio'ei, it Syst. Bescli. Eur. Zweif.lIn., Vol.
I'V, p. 154, 1824, andl repeatedly Iy most later authors: Pucentes chtereits Latreille, (G1en. Crus. Insect., Vol. I. V, p. 339; 18091. The
'Encyclop~die AM6thodiqiie, Vol. X, 1) 500O; 1828.





76

following is by )Ii(,qimrt. m Annales Soc. Entomol. France, 1). 21) f : IS 15: Sipho)m chwrclt Aklgeii, ',',ystem. ]Beseh. Eur.
Zweif.,Ins., Vol. IV, p. 1 6: 182-1. The following is by Rondmi ill Dil, )t. Italic;k, Prod., Vol. 111, p. 10, 1859, :md is repeated by Schiller: A' Ziplmwf IligrOl'ittoto (111d mmlis IIeignell, Systeni. Beseb.
Dirt, Zweif. hisell-Jen, Vol. IV, 1). 157; 18.2W4. S qphmia,
De'- void:t-l Es'-,(Ii slir les )I.vod., p. 92; 1830. d yphoim, tristis Desvoi(l N% Amrile ,, Soc. l"Antolliol. Fl-tance, p. 203- 1850.
All Yphowt S "111(l co) Simllis De"voi(IN-, loc. cit., P. 205.
Tit(, following I,,; 1)y tito writer: Sipltomf illiiioic) si,,? rownsemi Trans. Aniel-. l nt, : 'oc_ Vol. X Vj 11, 1). "GS; December, 1,891.
*1 1*]Aolm sp.. llr llter :11)(1 bt litt.) -go0cidata DeG.
2. Abdomen opa(jue pollMo-,c, flie sides of tho first two
segments PAI'dY (W NVII(dl.v vcflow. tcrillinal joint of
the piobo'-;cis It le 14 tw()-thirds :is lmilg- is height of head; le'llf-t1l to 4,,-) 111111. 1"vom 111c tvj)e "pe('1111ell. kSolithei'll O diX X V 11, 1). 125, Al ay7 1895.
I I I
hm o sp.. 0i . Co q.
Abdomen shlimig'. destititte of' pdleii. vellmv. a dorsal vitta'and
billd 111(ir-ill's of thive sc()ments btick: inscef clsewliere
thc flicc. J)Apli, illwx of' scilivIlItill. cox,'I lellmra and tibiw
-cllow, Iplcc.- of fellmi"I 1)1'mv117 frollIA vitta bl-mvili'sh Yellow, 111d pltob()"-;ck yelli)wislf brow117 the hase and- apex of thc Litter more N-clhm : tci-iiiiiial Joint (d pi-oboscis olle-haIr as low, Is hel".11t of, he 111, t1mra\ p(011110111C not diAtinctly vitkale. ,- cllts1111111 hc(iriw 1111-co 1(m I -s -- nd a ,ihort '11) c;J plir of 1;1.st th).ce sel-()-Illcills of abdomen
mIIY mw : wiiig,- 1i ydliw, cal ypteres wNtisli;
lowth, I mm. 1\Irkwomi. )1(). Three Ceilmle specinlems ftmn Mm-t1*(!1dt. TYpc 'No. :,)),-)71, t'. S. -,National Iit................. .................... brcrirostris n. sp.

Genus HETEROPTERINA Macq.

lleteropterlwt M;w(iii;irt, Soc. 1Int. Vnno-c, 1). 426; IS5I.
Our specle", Is ld(lcl tito pi1p] (m(I ustiilly the 1),isw of the antenn.w., 'Sides oftfil-4 till-ce of, the "Ibdomcn. felllor,-l 111d tibi'l., yellow;
last three -se(l,)-ments of O)d(mien cm-h nmr11.v(1 witli i tr.msverse row of' live b1ack spois. two ot'whidi arre mi tbe loteral margins; three postsiltural 4111d two stcrnopleuril sentellum bearing three
111t,111(Jiml pairs: hii-i h,:3.-5 to5) mm. 1 rom t1w typo Specimen. Northern Illinois; Colorado, and Los Aij(,-eles County, Cal. (E.11tolliolo ical New'sI VoLV17 1). 207 ; April, IS95. ---------------- ----- nasoni Coq.
'Oil im-e 501 of file E]w N-clop'A i c MAhotli(Iiie, Vol. X, 1828, St. Fargean :md tserville propose tho (4 Iicilq('Ilt 1'01- Chi(rm Meigen, which had been previously Used in tubi-s gciAu-s b Latmille- ai(i tims name must therefore also be added to the





77


Genus PLAGIPROSPHERYSA Town.

Pla jiprospherysa Towii ,(,jtd, Trans. Amer. E'nt. Soc.,. VoI. X I X1, p. 11:1) May. 1892.
Ourspecies is black, the first twojoijits 4 the witelinw, palpi'apex. 44 sviltellum alid smiletillies the f*l.()Ilt cm-lier's ()f the, "ecmld alld third SCO'llielit's ()f the abdolliell, yellow; threi_-" Imstslitilral (111d three, S'terliolllacroch'('t' -, tw() mi t lie front Side (A'vich middle tibia near its 111iddl(I to 111111. Gem'"ia; Oro.'111 l.1"; CA-11ces,
N. .11 e*x., Colorado) 1"ellilwl W,ash. alld smitherii Califin-itia. (Biol. Celit.-Amer., Diptera, V(d. 11, 1). 121 ; Afay, 1,S90: Pit sphcrys((. I11((yiprosphrrysa iwlid ( ToNviiseiid, Traiis. Amer. 1"Ait Soc.. V()]. X I X, p. 113; May, Pi92. P1((gipr( sph(.,ry.N(t. floridciisiN rowiiseiid, loc. cit., 1). 114.) .......................................... jm rrip dpis v. d. W .

Genus METAPLAGIA Coq.

Mctttplaffia Coquillf4t, 'Jolti-11,11 N. 1'. Ent. Soc., VoL If 1, p. 102; Septembt-r, 1S95.
Our species is black, the first lt-w() joiiits of Oie mitemi t, aiid the palpij yellow; thre(_- pwStslitlin'll aild tit I ("( :-4crimplettral III lVillo-til, 7- imil. From the type specilliell. Sall Dieo-o Cal.
J'Oc. cit., P. 103.) ............ ---------------- Oclcid('O alis Coq.

Genus PARAPLAGIA Er. and Berg.

Paraplagia 1) -aiter Cand Bergellst tiuln' ZN I-(,it*. KA'S. 'Mils. Wien, N" 1). '354; 1891.
0111. two the iii'st two J()illts ()f* tit e, aniciime and
palpi yellmv; threc lwst-'tlfm. 11 11111 three III(1croclizetzv:
.joint of aitteiiii;i, at most mie and mw-fialt* times as lmilo- as the
second, third veill 1)1.i-,tl ktllllo ;t to tip of discal cell, first sem ment i& abdwmeii d ,titute of' ma(,ro(-hvt(v. lellotfi, 6 to 8 111111.
District ()f Colmiibia; northerii 111hiois, aiid Colorado. (.11111ales Soc. 1,Aitomol. Fraitee, p. 262: 1888: Ifeteroptevill'a. Par(ylayia % VOI. ILI, 1). 101; Sep("bler(w Coquillett, Jourital. NN. Y. Ent. soc.l
terill)erl 1895.) ------------------------- spinoNida Bio-ot.
Thirdi(Ant ()f antemi-i- three, time. -; as Imig as the sec.mid, third vein
not bristly to the sniall emssveiii, first segmejit ()f* -Admiteit beariii(ra pair of lojig nracroclI;i-t,-"'; I'Vollf ()f teill.,11o mie alid one-fifth times as vide as either eye, three pairs ()f ()rbitzil bristles, the median pair small, filmti] bristles de'-co_'1jdiI11()' to tip ()f secolld antenna joiiit, sides of "-ice wholl v covered d Nvith ,-il-tort hairs and each be u-iiig a row oL' ,it)out six lII'lcI1oCh-,t_,ti(-, cheel s nearly one-h alf as bl'o, d as thee 'eight, rist, thickened oil the basal a y e ft It
two-thirds, the pellilltilliate.joilit Olie .1lid oue-half times as long as broad; thorax t-hinly gray polliiio, (,, itwilied With i'mir black vitt(T; abdomeii white polliiio,,.;( mt base,,-; of last three segments, these bearlug fiscal and marginal macroch utte; wiug;s hyahue,





78

calypteres white; leiigth 8 min. 1.1issouri. A single felliale bi-ed froin an mill.-nown Lepidopterous.larva, on TriosIcitia. Type 1so. 054 8, U. S. National -Museum. .... criwicola n. sp.

Genus CYRTOPHLCEBA Rond.

Cyrhlphl 'ba Diptev(do-l;i Italiew Prodi-mints, Vol. 1, 1). 68; 1 S56.
Our shi(de -.4pecies is blacl'-L, with a, strong tinge of bronze the plalpi '11141 lh--4 two .1twit" ot' tile ;mtemm, yellowlsli, t1ii-ce postsittural and thive tcrlmpljcllr;ll Second and third .0)(lominal segments
bearil)(4 discal '11A margiiial (mes; leii(JbI 7 to 10 min. Toronto, Callo(I'l: N('\v l')(Aford 'ind 11 NAv Park., Mass.; Ithaca, N. Y., and llorlhe)-11 111111ois, (JoI11,11,11 N. Y. Ent. Soc., Vol. 111, 1). 101; Septembel-I IS9.5.) ---------------- --------------------- horrid I Coq.

Genus PLAGIA Xeig.

1'e'sch. Eul-. Zweif. 111-scktc1l, Vol. VIT, 1). 201; 183 1 0111. 1'('(' 1 mi (It It ree sterim p I ettralmaerocllwtw,
thic'111. Hcshl v. le.- s thm twice as Imig :is tbick, Nastal fialf of palpi all'i t1w '1110'1111;k. black, lwve.st h-wital 1)ri,-;t1vs directedd dowiiN\111111 11111-d vem -(it mw t hvli.- fly slil-litlY lwlvoi)d the swall crossvein; lciigth, 7 to !) iiiiii. Nwtherii Illinois; it_ Lotii"i, Mo.; Los Angeles CA)II11ty, Cd, A11clolk, "tild N;iz. Alv\ico. (Biol.Ceiit.-Ainer., Diptera7
1). ]02. A1,11-cli, IS90. P1(1.(p*(( wo-1 1'rmis Townsend, Canadian E11tolvolog-ist, \,()I. XXj V, 1). 67; MIrch' I'S92.) .... mitericana v. d. W.

Genus SIPHOPLAGIA Town.

N1,11hopla.tpo Tim-11"'elid, 'n-niis. Amei-. Fw. soc,, Vol. XVIII, 1). 319; November, 1891.
Oil], ;pecle" '11v 1)1'1c1'1-. flic first two joint of antenme, lower part of f-M.c. checl'-Is. 'Ifid p;d pl, Yellow: hmly subopaque gray pollhiose, thorax I 11,11-ked with four 1)1'-1c1\1 vlthi,; t1tree poststitural and three sternopleural 11141(14- tfhiii- em-4i be-irincr four oil the front side
iw(ir i It(, middle, second and thir(I seginents of* abdoinen bearing only ]CH"th S 111111.:
Fiftli vein bave, ini(ldle plair of orbital bristles very small. Los Anfreles Comity, 011. ji-ans. Amer. Ei)t. Soc, Vol. XV111, p. 350; -November, 1891.) .............................. anomala Town.
Fifth vein bristly, middle. pair of orbital bristles as large as the others.
Toroilto, Caumla, an(I Colorado. (Biol. Cent.-Ainer., Diptera,
Yol. 11, 1) 102; .11:ireh, 1890: rigidirostris v. d. W.
- - --- --- -------------- --- ------- -------111w CYrtopl, la Im horrW(i ('riglio-Tos, Boll. Mus. Zool. Torino, Italy, Vol, VIII, p. 6, 1893, does ]lot beIOD(" to this gewis, since the hind crossvein iis nearly perpendicular, the first veiii bristly, etc.





79


Genus DISTICHONA v. d. W.

Distichoom van der Wall), Biolo-ria Cent.-Amer, -Diptera, Vol. it, 1). 11; Jaii., 1,S90. I'scialoyermaria Brauermid Ber-custamm, Zwcif. Kais. Mus. Wimi, V, 1). :352; 1891. Oletioch(Na Townsend, Trans. Amer. Ent. Soc., Vol. X1X, 1). 11.1; Alay. 1892.
This spionyiny is oricrinal with the writer. ()ur t\vo species have four postsutural an(l. four stern 1) 1 ei tral palpi Yellow:
Apical cell open; scutellum lav4rely, sides awl fourth Seg-melit, of the
abdomeii, also tile felflora, all(I til)i.((" yellow; lem)-th, 8 111111.
Georgia. (Zweif. -Kais. 'Has. Wien, \-7 1). 35'.!; 1891: Ps(!1(doflerqnaria.) -------------------------------- flcor fia) 11r.aml llei-g.
Apical cell short petiolate; -scul-ellttm, -Ibdomeii le().s, black;
length, -5 to 8 111111. District of Columbia; 'Iiftoll, G'a.; Agl-icultural Colle(4,'e, Stan DieLo aml N11eves Tex.; aii(I Las
Cruces, N. \Iex. (11iol. Dipt., Vol, 11, 1). 44;
Jaiiuaiw, 1890. Olciwchala kmisciisiN Towiiseml. '])-aiis. Anier.
Ent. Soc., Vol. X-IX, 1). 115; May, 1892.) -------- roria v. d. W.

Genus CHETOGLOSSA Town.

Cho1offlo8Na rowDsend, Tr.ins. Amer. Ent. Soc., Y'4d. X IX, 1). 125; 'NLi.y, IS92.

Om- species litave three posv, ,mtitral and flit-ce stcriioplem al m-acroehwt w, thorax gray pollinose, ntarke(l with thl-ee bi-oml' black vitta" wing-s byline, calyptei-es whitish:
Third.jofitt of aittemia, black, black, tlie, secondjohi, of thealltelllue yelloNv; lei) (Ijoc. cit., 1). 126.
-th, 6 111111. Southei-ii I lorida.
Cluctoglossa )tifIvip0pis Tmvilsvild' loc. cit.) ------.joint of anemia, yellow; black, tilealitelma, 'and p"dpi.yellolv;
leligth'61tim. SoutheritFloi-itla. (Loc. cit.)- -picticornis ToNvIl.

Genus PACHYOPHTHALNUS Br. and Berg.

Pachyophth(dntus Braner and Ber-oustamm, Z\\-tllt*. K:iis- 'Mits. Wicii IV, 1). 11-7;

Saxcomacrottyehia Townseud, Traiis. Amer. Ent. Soo., Vol. XIX, 1). 100; Alty, 1892.
This synoiqua has already been publislie(I by flnaiier -aml -Bcrgell st.amm.1 Ourspecies kave*the tboi-ax gray pollhiose aiid mttrke(l with tbreeblack vittle-, three 1)oststittii-,ttlaiidtwo steriiol)letii--,tI m-ticroeh,(,fiv:
Fourth segiiientof,(tl)(loineitwliolly black; bLick, iiieludhig-the p dpi;
lengthl 5 to 8 mm. White Momitains an(I Francoitia, .. I I.; New Bedford, Mass.; 13lerkeley, W. Va.; North (1-m-ohim,; Ceiiterville, Fla., and Austria. A female from Austria receive(I from Ilraiteiand B ergeiist-'Unm alld by them I-,,Ibeled.l'(tcligol)hthet.1i)i i(s sitputhis Meig. (System. Pesch. Eur. Zweif. Insekten, Vol. IV, 1). 303;

'Zweif Kais. Miis. Wien7 V1, 1). 195; 1893.







1824: T((chiim. Nchgopbtlmlm ts mo- 'rmi8 'YaNN-usejid, Tnaiis.
Amer. Eut. 8ov., Vol. X VI 11. p. :)0 1; November IS91: from a' cot'Vpe specimeii. 11(whgoplithOmits Sp., alld NpIti.o1j)(fta sp.7 1'I- Iller ;111(1 Bel-ovilst'l III III ia litt.) ----------------- iyw thfs M ci-Fourtit sc-meiit ot' al)(lomeit Ltro-ely or wholly yellow, illsect el-Sewhere, blilcl ; 5 to 1) illin. Tit'ton, Gta.; Lake Wurtli, Flit.;
W'Ic(), 'I"ex.; C(dw-(Ido, and Cruz Mountains aml Los
Cmilltv. CaL ( FlItollmlo "c'11
40 1 1 I N'ol. 111, 1) '
-cmnm'r()nqch1*(( toi'(w l'oNvirsend, Tra-tv,-. Amer. ["Ilt. ioc.' NTol. X-IX, 1). 101 ; Alaly, IS92. Sto'conmcrmiychia 8((rc(T1m.qm'IicS "I'mvilseml. Calladiall H' I I toil)(d ()(241 "-41 N-ol. XXIV?
1). 165; Jitly, 1892. tr i1poxylonis Tmviisoit417
I'dill(Ain Ohio A,,-i-. Exper. Statiott, N'ol. 1 -No. 3, 1). 165; Api
..................... ................ Y oridciisis Town.

Genus SENOTAINIA Macq.


A B I 'S91.
out* have three "ITId I wo s4el-Ilophir"11 limcl-och"eto" t\N o ol, orbli'll I)r1stics ill Imth scxes: t1lorax, sclitelluill, mid

1. Third johit, of-w item m, bLic ..................................
Tliird johit, of (mtemw, yellow, 1 tst flirce ;elg'mciits of AlIdomeit
p(dhll()";(, mt t'lle timt on the secmid aml third proto the Illild ('11d fd' tile '-w"Illellts ill tile mid(Ile of, the
dol-slim. w1wre it a triall"le; Sides of abdomen
swlictlllw p-m-tly yellow: 1cn(()'-th. I to.7 min. Tormito, Calladca, New lhmipshire: 'Spi-m(rheld, Alm-\-Lmd; Tit'loij, Ca.;
Lexiligtolk. NY.; 11ol-theril 111illois; Lascrtices, N. Mex.. alld :-;m1tIIvI-t1 Calli'01-11iii. (Dii)6 1-es FXotiqla"S' Supp.
H; I '- 46. .111 I'Qft1o'mcrIt Thomsmi,
6vcii. Fr(--atten J-Ai(r(,itles Diptei-a, 1). 52-3; 1868. Miltogroninof 1,06cor)1is V 111 der Willi). 1'iol. Ceiit.-Amer., Diptera) Vol. f 1, 1). (s!i; 1Linh. P !)O. flar icorilis Townsend,
Trans. Amci'. Eiit- Soe., N-ol. XV111', ). 0.5.); -November, 1891.
ilowl Simill's ToNvIl"elid, loe. cit.7 P- :357. Miltogr(onwa
1-ao. cnsis ToNviiseiid. Camullall l"'Iltomolotrist, N'01. XXIV, 1). 68; Alan-11, 1892. Jfilto iromiw( dcci.vt Townseiid, Entomolo,,,-ical
'News, Vol. I 11, 1).,Sl A-t)ril, 1892.) ......... ritbrim itris
2. Abdomen wholly Wack --- ------- ---------------- 3.
Abdomen yellow, base ot' the first segment, apex of the fourth, and
the genitalia, black., bases of the last three segments white Pollillose, al)(lomen elsewhere shiiiing, second segment destitute of a marghud pair of macrocli;i t;(,; sides of front and the face silvery white pollinose, antenna,, black thorax gray pollitiose,








the Vitt',e ind~istin~ct; wino's hyaline, c-_lyTteres white; lenz"vth, 3 mmn. Las Utees, N. Alex. Two male specimens collected September 17, by Mr. T.~ 1). A. Cockerell. Type No. 3580, 11. S.
National Museum --------------_ nana n. sp.
3. Second segment of abdomen b~earin g a distinct mnarginal pair of
niacroch-(vta', abdomnei gray l)ollinose, usually marked with two or three rows of* blackish spots; length, 3 to 6 mmn. Toronto, Canada; White Mlountains, New Hampshire; Springfield, Mass.; New York City, N. Y.; Maryland; Virlginia; North Carolina; Tifton, (J'a.; Texas; Colorado; Washington, and southern California. (BLiol. Cent.--A-mer., Di ptera, Vol. 1I, p.>'; arch, 1890: MfiltW/i'( Jm11 A i'1'CoJ) n ()lCVU aveimaI 'rauer and( Bergenstamm, Zweif. Kais. Mlus. Wien, V, p. 3Q ; 1891,1. Mltotp-am la ((r/CUtifrons Towuvsejnd, Tranis. Amer. Ent Soc., Vol. XNIJ, p. 357; November, 18191. Ihltogra m ma Cl UcrecuN Townsen d, loc. cit., 1). 358. Arrcaopits sp., and ASphiJ((l)(ta sp., B'rauer and B~ergenstanim in lilt. .............----------------trilinca av. d. W.
Second d seg4mnent destitute of a marginal pair of niacrochafta', abdomnen 's'hining, bases, of last three segnents white polliiiose ; black, the fr-ontal vitta, first two ,Joints of ,mtennwe and the IpalIpi, yellowv; sidles of front alild tact' white polhiuiose, thoix whitish
)ollhinlos, thle vitta not distinct, wing-s Ii, val in caytrswie
leng()th, 111non. 1'Las (Cru1ces, N. Alex. -A- single male specimen.
col lectedl Septemnber' 17 by Mr. T. 1). A. Cockerel]. TVyp)e No.
3581, 1. S. -National Miisetin..............UNfi((ita n. 5kp.

Genus PSEUDOTRACTOCERA Town.
~ low HSQI~tL h'dlh-AImiC. EnAt. ''C.* ol. NIX. p. t07 ; Alax- 1
Our species has three postsittaral and three sterInoIleutral macroch.Wa i,s black, the first two Joi its of the an tennia, ind the palpi yellow; apex ot anten ur distaniit fronm the oral margin, the leng-th of' thev third amtennalI joint; leno-h, 7.5 jmm. Fromi a co-type specimen. Las Cruces, N. Mex. (Loc. cit., 1). 108.).....................--iwominxmm Town.

Genus BIOMYIA Rond.
Fabriuh eien System. I escli. Eur. Zwei f. Illsckten, Vol. VII, 1). 250); 1838. (Non I lainii le ; 1828. Noni I esvoidy ; 1830.) JJiontg (0Iol)(anli, I ip~tcsrologpia, Italiewi lPodroiiius, Vol. 1, 1). 72; 1856. FVirialia ond-aoilb l oc. cit.7 V IV, 1). 53-; 1861. Masip)hya Bratter aid Bergelnstamll1 Zweif. Kas. Miis. Wien, V, p). 313; 1891.
Viviania was pr-oposed for the grenuis Fabricia of Meigen, the na-me Fabricia having benu previously used bV at least two (different authors. On the same page Ethndlani acknowledges that his genus TBioinyia is synonymoums with \'iviania. Specimens identified by JBraner and~ B-'ergven stanim a-s AHasiphyja braw8iliana, the type species of this genius, do not possess aniy character of suiflicient importance to warrant its sej)1 3359-6







82

arqtion from Bionivia.1 Our specie,,; bave, otfl.y three sternoifleural lliacroch k.t;l tile se-oild ,md thlr(l segments of the ,ibdonien destitute of discal oueS, SeColidjoint of auteiin;k, and the palpi, yellow:
1. Thorax beariwv oi0v three post"litur'll lll.,IcI.oc1uvt;k,. C>
Tbora\ bearjil(, fmir p )stsittttral nuicrochetw, mi(Idle tibiw c-'Ich
bearimr only oil(, oil the froiit side near the middle scutellmll ,alld si(les ()f first three segments of the abdomen bhick, apex or the fourth Secriliellt Yellow. ;intenu;v two-thirds, as lono, as the.
t';ice, leiigtfi., 11 mm. Florida. (Proc. Ac -iol. N7,it. Sci. 11hiladelphi:1, 1). :;09; septelllbel:I7 IS95: ffas Th yo.) mwiycow CO(I,. 2. Xntemiv it le ast three-fourths as Ion as the Iace. Scutelluill alld
abdomeii wholly bhwk ....................................
1 3.
Antcmi;i two-thirds a,-; lmi-- a,%; tile fice. middle tibla- each bellrimy
two or Illore, Illacroch(vt,(, oil the front si(le iwar the middle; ;11)('X of sclitc,1111111 mid Sides alld 'lpex of abdolliell vellow.
lviiglh. 9 to 12 mill. Di-,trlct (of Columbii; ILirylalld ; Vir(Yill l;I T i I b) I I ,I. B* VIle B), I v. FLI.. "I'lld LO'S A ll(reles Co., Gi 1. (Xweit'. K".11's. Mus. Wicii. V. 1). IS91 : Jbisiphyu.
Also iii litt. Ta c h i) i e) ) ty i(r florldcnsis Townsend, Tralis. Anler.
'limm 14. and Ber(),.
Elit. Vol. X lX. 1). 971: 11;i.N IS92.)_bi 1 1
3. Cheeks oil(, fifth as hroa(l is the eve heldit, frmit ill each sex one.
11"llf as wide ils c1t1wr eYe. abdolliell s'llbop,1111le gray pollhiose, hilld Ill"Ir(rills 4 tile S(IcOlld and third Sct)-mellts alld reflectill(e spots (Lirker; lewrth, 5 to 6 nim. A-mlici-st, Mass., 111d Los
A, I I gre I o I I I I t Iv. C; 11. (Zwelf. )Ills. NVIell, V. 1). 3121, ISM
VO-Wniei. Jbisiccra sordict lfw TONviisend F I'r ms. Amer. Eiit.
'Slw., Vol. XV1111 1). :))IJP9; December. 1891. Psc?(t101wctfPccr((, (11(h)SM110, G )II. Als.. Btlr(ress ill Rept. St;lt(, 11o"ll-d A("ric., 1). S:'; Jam i.try, 1897.) ................... !1COre1i(c Br. alld Ecr Cheeks mle-telith 'r, bn)a(l :ls the eve hel"'Ilt, frolit ()ffelliale as Nvide
lis Cither eyv: bhIck, tile palpi all(I ,11)(,'X of pr(d)osel's yellow; frowt] bristles descetidlug allimst to ;lpex of tile Secolld 'IntelliialJoint. five pdrs of'orbit.11 brislics ill Ille felli'lle, Sides of face, at imi-rowest pirt olle-telith as wide Is tile Illediall depi-c-ssioij.vibriss;i, fi,,flfthe lcwrth of the secoml aiite I I ab 6
1 1111a joi it ov
the or'll mal-g-1117 ri(Ig-c", bristly oll the IoNve'st fourth, antellim, reachlll S11(ditly below 1mvest thil-d of fiace, the third joillt olle and (me-ImIftimes I,-, its the Secolld, .11.1st.1 thickkelled Idlilost
to tile, middle, tile pellultillmle j0illt ILS bl-Oad aS 1011g; t1l0FaX thinly --ray pollitiose, m(irked with fimr 1)1,t(.k vittw Scutellum bearijio- three long marginal pairs of macrochuta,, abdomen

'An Atistrimi specinwn r(,,,ccive(1 fro no. Bi-arterand Ber,(,enstamin :1,11d bIV ti H I T I I I, I I Pei ed Fir[aula pucl(t bas the apical cross vein strongiv concave, and not straight, as stated by these authm's in Z-weif. Nlus. Wieii) V1, 1). 111; 1893.





83

subshining, last three segments lightly grayish polliiiose except their apices, each segment beariiio injaprial inacrochatow, wings hyalinie, base of' third vein bearing three bristles near the base, apical cell closed ond very sh ort petitolate! entling slightly before the extreme wini g t ip1; calylpteres -wh)it ish :- lengh 4~b mmlli. Tiftoni, ('a. A single female speimnen collected in, June, 1896, by iNlr.
G. .Pilate.TpeN.58,1.S.atol 1ueuynisi p

Genus ATACTA Schiner.
Atacta Schliner, Reise decr Freoiltte Novara, Diptera, 1). :;25 ; 1S68.
Our single species is black, the apex of the scuteihini yellowishi, the
fourth segment of the abdomen wholly golden yellow ; front, of male less thaii one-third as wide as either eye, thec' sides 1)luili-ll-g-ay pollinose and thickly covered within short suberect liaii-s, frontal bristles descending nearly to middle of second antenjiil Joint, cr~uciate except the vertical lpair; cheeks one-flourthi as wide as the eye-heighit, face yellow poll inose, thte ridges broadly bordered internally with black, sides of fice at ijarrowest part o)ne-tliird as wide -,s thle Inedian. depresSioni, vibrisswe sitated two-thirds the length of' the second aiiteiinal joint above the level of front edge of oral margin, ridlges bristly oil the
lowest fifth, antennw.~ two-thirds as long,-) aste ae the tlirl jit
shglitly lo i g(er than th e seconiid, ari sta, th iicken ied oi i thie basal two-ftifth is,
the lpelultilllate~joint broader than i og; thorax gray pollinoie, marked with four black vittwe, four' po)ststitural and four sternopleiural niacrochiAWa, scutellunn bearing three pars of lon g iargiial: abdoitiei gray pollitiose onl the first three segments, the first, two dlestitulte of dorsal
-acocli.a' th atto ahbaing a marginal row; front pulvilli
as long, as the last tarsal joint, middle tibia? each beatring- four or- nore mlacrochuetw onl the front side ne.,ar. the middle: wingos Ityalitie, third vein bearing two or three bristles.- tar the base, calypteres whlite; length, 12 mmn. Tifton, (I'a. A single itiale specimlen. collected Sellteinbe- .28, 1896, by G. R. P~ilate. Type No. 3583, 17. S. atioual
*Museum---------------------.p~~. 11. sp.

Genus SIPHOSTURMIA, new genus.

The principal characters of this genus have been given inl the table
of genera onl preCvioul iges. The type species is black, thie first two,( joints of anteni', lower part of face, palpi, scutellutn, apex of abd(omien, 'and soinetfimes the sides, yellow; four lpostsutural and 1 uir sternop~leulral rnacrochietw, two or itore onl front sidle of each Iutiddle tibia near the middle, iarin.Al ones on the first three, or the second and third, segnents of abdomnen ; length, 10.5 mim. Tifton, (I'a., amid Floida.
(.Journal N. Y. lEnt. Soc., Vol. 111, p. 106; September, 1895: A r!//roplhylax.).................................... ....... ostrata CJoq.








Genus BELVOSIA Desv.

Belros;a Desvoidy, Essai sur le, ; Nfyod-(ires, 1). 103; 1830. L(do,1111a Desvoidy, loc. cit., p. 10-1. (Yon Roitx; 1827.) Wiffi.slonia Braiter :1114 Ber,,,enstamin, zwelf. Kais. Allis. Wien, IV, p. 97; 1889.
The identity of llelvosla mid Litivillia lias been ackiioNvledg,ed'by several authorities; mid Bratier mid Bergenstamin state I that, the Iatter (the naine of which is preoccupied in Hie Crustacea) is asubgentis of Willi:4onia. (,.)Lii- speeie i 1mve 1bur postsutural alld four sterilopleural iimci-och(itw:
1. Third abdominal sepneiit yellowish pollinose except tpically wings
browidsh ----------_ ------------- --------- ----- ----- 2.
Third segmeiit destitute of' vellowi-All, polleii, abdomeii gray polliRose (IXC(11)t oil tile fimrth sel" .Illellt' NV]li(-Il is yellow pollillose, tl.()tltLl vitt.I vellowl Will"S ily"llille; lello-th 10 to 1_2 nim. Mas11111setts; lthm-;i mid NeNv Ym-k N. Y. Ill.; Tiftou,
C'I.; 111d Alississippi. (Ess(il stir les Alyodah-es, 1). 105; 18300 1,01-ciUM. 1"'xorisl(f ll'iley Second Rept. Ills. Atis.
S0111'i' 1). 51; 1870: frmll Ille" type Desv.
2. Sidcs of C.we it iiarrmvest Imi-t- em-h one-third ,is wide is the median
depressioll. frmlt ll vitta yellow. abdomeii black, bfises of last tillve ".;eo-lliellts vellmvisll "-r;lv pollillose; lello-til, 11 111111.
Charlotte 11"Irbor, Flm'jda. J)roe. -\.(;ad. Nat. 6cieiices Phila., 1). 312; September, 1S9.).) ----------------------- 81o8son(c Coq.
side's ()t, fa(.(- (A 11,11.1-mvest polilt v'u'll more thall olle-lialt, -,Is wide as
Illedi"m depresslim, I'vollt-al vitta (1,11-h bi-mvil, abdolliell black, Life 1'l.-4 two sel-'.Illellt"' ex(-ept their '1pices yelloNvish polliflose, b'I'-;e (0, the secolld "- mllct i flies "ilso ]I'll-rowly yel1mvish pollillose; I-el'Itioll ot, secmld '111d third mitellil.11 jollit varies ,Is t',ollows: 1.j 41 .1.1 times as loijo- is the second;
I, I](,, t hird joill t I I I I 1 -2 2-1)
iiiale, third johit 21, 0"', In(] 4 tillies is lollg. as t1le seeond.
t. :1. 111(1 2 *11 2 to 3 (IiStIjl(.e f'(1clal ii(l(res bristh, ill f'ellm le I
'ibo\ I I 1 I spi
-e the vibris,;(v; leiio.th, 1:' to I nim. -iligtield, Alass.;
DiStriCt Of C011.11111)LI; Nol-th Cm-olina; Tifton, (Aa.; Mississippi; St. Louisl Ato. ; Illinois; Los _Aiigeles Co., Cal.; Waco, Tex., atid Mexico. (Systelua Ljlltojl1olo;,'.i,(', 1). 477; 1775: j1hisco. 13'elvosia bwmct(( Desvoldy, Hssm sur les Myod. 1). 103; 1830. Latreillia bif (tseittta F., E rauei, aml Berg-eiist.immin litt.).. bil4sciata Fabr.

I ZweiL Kai6. Nnu6. Wicu, \71, 21:); 1893.






85


Genus MELANOFHRYS Will.

Afeianophrys Williston, rraais. Amecr. Enit. Soc., Vol. XIII, p. 35Noember, 1886. Atrophiurisa T'ownsend, T11rans. Amer. Enit. Soc., Vol. XIX, 1). 92 ; April, 1892. Mr. Towiisoid has already acknowledged this syiion yiny.' Our species are black, the arista and usually the palpi anId calyptere-s yellow, bases of wings strongly tinged with yellow; three iiostsiitural adl three steriiopletiral macrochatt'V
Second abd(ominlal segment bearing a marginal pair of macrochia4:e,
the third segmneit _eirn a mnargrinal. row ot from six to eight; length, 14 min. LosiAngeles Couinty, Cal. (Trans. Amer. Eiit.
Soc., Vol. X11I, 1). 306; Mwveiiiber, lSS6.) -----huaipcunnb Will.
Second segritienit destitute of a marginal pair of iiiacrochw~tw, thle
third usually bearing' a dlorsal pair and~ a single lateral one eachi side; length, 12 to 14 mml. ( rinisbv Canada ; Francottia :-n1d White AMountaiis, New I Ialnisliire ; northern Illinois,, and C1olorado. (Insecta Samidersiaiia, Vol. 1, p. 277 ; 1856: Tidchina.
Atrophiaxista Jitriidues Toxvnsend, Triniis. Amier. Eit Soc. Vo1.
XIX, 1). 92; April, 1892. Melawp y h iwa sWl.,Bae
anud Iergenstamiti in lilt.)..................... insolito Walk.

Genus APHRIA flesv.

Aph'ria Dosvoidy, Essai siir les Myodaires, p. 89; 1830. Olirvieria Mleigeiki Systeimitisclie Beseh. Eui'. Zweit*. Iiselten. Vol. I, p. 266; 1,38. (Yon D esvoidy. Essai stir les Myod., p. 228; 1830.) Blhytichosia Macquart, Amiiales Soc. Ent. Fnrwe, 1). 87 ; 1848.
Mfacquart (loc. cit.) proposed the niamie lhyichosia for the genus to which Meigen had given the name of Olivieria, owing to the fact thtt Desvoidy had previously iised the latter name for1 anl entirely (iffereiit genus. The synonymny of ffliynelirosia and~ A. phrita was first pointed out b)y Rondaini,2 and is repeated by Schiner : .and also lby liraner anld IBergenstaim.- Our siiole species is black, the frontal vitta, the first two joints of the antenndw usually, the palpi, andI sides of abdomeii largely, yellowish; inale destitute of orbital bristles; three lpostslttlral. and three sternol)leuiral inacroclittw; length, (I to 10) mll. Toronto, Canada; Massachusetts; Atco, N. J.; (eorgria; northern Illini; Coo rado; WXashington, and southern California. (Trails. Amer. Ent. Soc, Vol. XYII1, p. 361; D~ecember, 1891. Apliria sp., Brauer and lBergeiistanmm in litt.).............................-----------oci/erl I j~j

'Trans. Amer. Ent. Soc. Vol. XXII, 1). 72; March. 189.5.
,IDipterologiwi Italicew Prondromiis, Nol. 1, 1). 73; 1856.
'Fa usraa Vol. 1, 1). 432 ; 1862.
4ZWeif. Kais. This. Wien, V1, p. 237; 1893.





86

Genus OCYPTERA Latr.
Ocyptcra Latfeille, Histoire Nat. Crust. et lusectes, \-ol. XIV, p. 378; 1804. Partlieoiia I)esvoidv, Eissai snr le,,; mvmlalres, 1). 2:31; 1830.
This sYnoiiyiny is; given by Selihier I and rel)'eated by Brauer and
st',
B e r (4, e i i t111111.2 Our species liave three posts i i tural and two or three stel-1101delinll ]n acroch;[,tw:
1. Sentellum he(tring one pair of long marginal and sometimes a short.
apicfl pair of niacroehvtw -------------------------------- 2.
scuteIIIIIII bearill" two p.lirs of' loiiw warginaLind a short apica
of niacrocli;i,0,; 0)doiiieii blacl%, the sides of the second and third s-e.,,,ineiits part].\- or wholly reddish yellow; length, 8 to 12 111111. Canada; SI)HII("lield, Mass.; Connecticut; Cape May, N.J.; 11,11. 0,111d. Tiftoill Ga.,: Selnni, Ala.; Tennessee; Lexington, K N-.. Alk-111,g"ITI., IIIIII(AS, Santa
4 Irtiz MMII)t IiTISS alld Los Ang-cles Comity, Cal. (E'ssai sur leg
Mo(jaircsp.23'2: 1830: Parthe)i1a.
List of Diptel-ous I 11-;ects, Part I V, 1). 69 t; 18-19. Ocyptera epytits Walker. loc. cIt. Ocypfcra ci(clicitor Wall er, loc. cit., p. 696.
OcYpIcra c(di1'())-)iica Bligot, Aimales Soc. Entomol. Fraiiee, 1).42, ISTS. 0cyj)tcre( l'itmil)twi.is Big-ot, lov. cit., 1). 43. Ocyptera 1)i)IoI0a B]"'Ot loc. citol 1). 44. Oc lptera, sp., llrajier and llergenst,1111111 i)l litt.) ................................. M rolina, Desv.
2. Witli a slioit apical I)air of wacroeh(utw oil tile -sclitelltilli; abdomen
black. t1te fioilt corners of the t1ilrd seo-iiieiit soinetfities faintly reddish; Jen(rdijitosmin. West \ i J.; DelawareCounty,
nort.lierii Virgiula; and Missotiri. (I"roc.-EAit. Soc. Washili(ytoll Vol. f 1, 1). 1-1-1 Xpril 2, 1891.) .......... (trycittca Towii.
Vitlmlil :III tpical pail. of in..tcrocli-wtt, oil the scatelluni; abdomen
black, t1w sides of* the second -and ft-ont corners of the third seginent reddIsIt yello\v; length, 7 to 10 min. White Mountains, New Ilanij)sItire; 11orseneck Beach, Nlass.; northern Illinois; Georgia: Lotiisiaiia; Texis; and Reiio, Nev. (Listof Dipterous filsects, Part fV, 1). 695; 1849. Ocyj)tcra sp., Brauer wid Ber3
creii staining i)i litt.) ............ ................ dosiades W alk.
Genus LINNEXYIA Desv.
Linwviiiya Desvoidy, Essai sur le,-;Myodaires, p. 52; 1830. Bonneha I)esvoidv, loc. (-it., p. 55.
Ponellia Desvoidy, 1()C. cit., p. 56.
JI(Irshami(I Desvoi(ly, loc. cit., p. 57.
J11crop0pus Al.ic(ot(,irt, Ilistorie Nat. Inf4ectes, Dipt(Nres, Vol. 11, p. 80; 1835.
The author I ast me i itioned referred theabove four ii ames of Desvoidy to one genus to which lie applied the name of Micropalpus, but the law

I Famia Anstriaca, Vol. 1, p. 412; 1862.
9Zweif. Kais. Mus. Wieii, VT, 1). 235; 1993.
:,Of.)1wera lithirata Olivier belon," to the Dexid gemis Diantha, and is the same spewiea which Wiedemann afterwar(Is described fis Pexia dives.





87

of priority conwels its to adopt the oldest uaitt(, Otir species have three I)OStSLLtttral arid three sterimplettral itiaci-oclia,4(el; front tarsi of female a's broad as the ttl)ex of the frout tibiw, in the male much mtrrower:
Clieeks bearing blaek- macroclt;vt,v iii the centers, froitud vitta black.
111"I'le destittite ()r orbita.1 bristle s his (retdtalia, at
()i- dark brown, I I'll)
inost proJectijig oite.-fifth the lengt1i ()fthe fotirth tabdoiiiiiud segiiieiit beyoi)d the Litter, Iiiii(I crossveiii beiit iiearly 8-shape; 4-,11011 11 1111H. White Alottlit"tills New Ifattipshire; Beverly, -Aftass.l imd Austri.a. Two tides Mid oiie Feiiiale from Austria received from Bratier wid Berg-eiistaiiiin aiid by thent iiamed Alicropidpits h(rint)rrhoidWis Ftll. and MicropApts p4icus Rond., but 1)(411 wame.-; (are evidently wroiqr, sinee the imfle of Ncl)lorrlioidtili- is provided with orbital bristled -;, and widicus ha,-; no black inacrochwtw oii the ceiiter ofthe clieeks. (Systell). l1esch.
F'11r. zweir. 1118ektell. Vol. N. 1). _261; 1824: 7'a.chi it((.).picN _Afeig.
Meeks destitute of bback inacrocha-ta, iiear thv ceiiters, frontal vitta,
light yellow, niale provided with tw( pair s (W orbita,1 bristles, his (rellittali"t, Pr()jectiiq_)'- iiearly hall'the hl)gth of the f6tirtli abdomi1i'll e(rjnellt be 011d the latter Iiiiid crossvein ij(-irlv straight; leiiotli, 9 to 1') nint. 1 01141(ni, C'111"tda; N -it .111d; i)istrict of Coltinibiaz Texas- Saitta, Fe, N. Afex.; Califoriiia,, -md 11tillinan, Wash. j-%()i)qA. Svenska. Veteii-;k. Akad. Mamllinger Vol.
X XX1; 1810: T(tch iii (t. 7'((ch iwt.1*Wfjew0 If ei geii, System. Ilesch.
I'J'ttr. zweit]. 111selftell. V(A. 1, V, p. 259; 1824. Li)tnwinyo b crachri ,Desvoidy, Essai stir les Myodaires, 1), 53; 1830. Lbtvwntya mialis Desvoidy. loc. cit., p. 54. Lilln(("lillm distillct(l T)(' ;voidy, loc. cit.
Llim(r)ily(f (r stbwlis I)e,;\-()i(ly, loc. cit. Lini (v)iiy(( bo)-calis Desvoitly. loc. cit. JT((r8h((wi(( a wf lis Desvoidy, loc. cit., 1). 58. MarJfi(,i-ol)all)itsl)iceitsMacqiiart,
111'st. "N"thir. 111secte',;1 Dipteres, V(d. 11, P. 81; 1835. 111'icropalpts sp.1 Brttter ai)d J)>ergeii,-4-unjit 0 litt.) -------- confit Fallen.

Genus NEMOREA Desv.
Nemoraw De8voidy, Ess:ti sur les AlYodaires, 1). 70; 1830.
Our single species is black, the,-mteim(,i,- p.-I.1pi, and fourth abdominal se(yiiient except its extreine apex, yellow: three poststitural and three

Nleigen did not recotrilize cowla.and therefore unknowingly redesci-ibed it under thenaineoffid9ciis; tliisw,,tsstisl)ecte(lbyZetteistedt(,Dil)t. Scand., Vol.111,p. 1097; 1844) mi(l (__riven as (, certain by Rondaiii (Dipt. Ital. Prod, Vol. 111, p. 70; 185(9). The CMIOM90f Nol.1,1).429,isjiottli.,ttsl)ecies,1)11t.t(.Olol.\-.tl-iety
of hwmorrhoidalis; the, species lie, tleseribes underfulgeils is the true comtivs In the Aniiales Soe. Ent. France for 18-14, page 31, Desvoidy acluiowle(lges that his Lhiiiomyt herachui, analis, and wstiralis I)el()Il(r to one species, and in the ,inie serial for 1815, page 271, Alacquart,,tolds borealis to t1iis list and refers thein to fidge)is. The immie of .1ficropalpif, pieces was propose(l byMac(Iiiart to take the pLice of .11arshamia wwli, l1(,,-;voidy. The writer is





0

sternopleural macroehwt;e7 sentellum bearing, three long marginal pairs, a distinct brown cload on the small (,rossvein; leiigth, 8.15 inm. From tile type spocilliell. AN-ashill crtoll. (Jolir'. N. Y. ]'lit 8oc. Vol. 111 1). 1045 September, 1895.) ------------- ............ 1((bi8 Coq.

Genus PANZERIA Desv.

Pan eria Desvoidy, Fs-, aisiir les'Myod.tires, p. 68; 1,830. Ernexti(I Desv()id vI loc. cit. p- 60.
Faas/a I )csvmd.v, 1()(-. cit., p. 62.
J,'rlgonc Desvoidy, lm% cIt., 1). 65. (Non 1827.)
TIfis synonymy Ims beeii 1jven by varlmis authors, and, with the. exception of Erio-olle, is repe'lted bv I)rallet. alld Bero-ellstallill). Erlgone they retaiii ;t .; i (list Illet geIIIIS7 blit t1w mune is. preoccupied in tile- Araelmida, and the species they place lit it are tf-)o closely allied

pleltral lllacroch;( tl ,,md the smill (,ros: veiii I-, iiot clotided with brown:
6ent('1111111 beal,111(" three pair of, lollo, 111"ll"'.111al 111.1crocil,14"k, besides
the 1pical pall.; 114)(1 v vel-Y roblist, froill tal.si oI* felli'lle (_-Yeatly 1 0111. Imt sometillies 0111y three postsitt-tival
joint,, p:alpi 7
apex ot, s('110,1111111 .111d of' ah(lomeii ii.- tt;illy fellow but sometimes blavl : leiio-th, 7 to I I mm. Momit W:ishlilll'ton aml Franconi:.L N. 11. -NeNN, IWdford, M(lss.; Riverview, 11d.; District of Clofillitbia: St. Lotil:- l Mo.; Waco, TeX.; Broollkiligs, S. Dallk.; Colorado; San Frallcisco. Cit]. -, Olylllplli l, 111-it ]sh 00111A)ia: Bolleillia, Atistria; Germmiv, aml Ew,,,1(md. A mile from Austria, 1'ecelved from Braltel. al!d I'Wrgellst,11111111 aml. bv t1tem labefled 1"'rie I MW FMlictim 14 ';ibr.; two males aml mie female from Grer111,111Y, received h-oln Zeller aml by him labeled Neviorwa r(fdi(,Iml: also a male from Ell(I"I'llid rec eived froill Brulletti alld by Itim labeledlill-Le the last. (Systema Ediitomologi.v, p. 778; 1775: 31lis(w. The f'olloNving synoitymy is giveii by chlnei:7 Fia,11na Vustrlaca, Vol. 1, 1). .152: Eriflow, (?01mj)hi1a Desvoidy, Essai sur les Alyodaires, p. 66; 1830. Eriflonc seittclhlris DesvoidY1 loc. (It. Frigone Im1m)-ion Desvoidy, loc. cit,. E),igmic virididans Desvoidy, loc. cit., 1). 68. Erigmic (hibi ( Desvoidy, lo(_. cit.
Ycmorwa m.hior Macquart 4., i
2 1 Aimales Soc. Ent. France, Vol. N'11
1). 112; 1848. The, following is original with the writer: T(whina ampelli.N Walker, List of Dipterous Insects, Part IV, p. 732; 1811). Ilystricia aldrich i Townseud, Trans. Amer. Ent. Soc., Vol. X1Xj p. 91; April, 1892: from a cotype specimen. E i-ifimic sp. 13rauer and Bergenstaillm iii litt.) ... . . .. radium Fabr.
Sentelluin bearing only two pairs ot' long margimal maerochatw besides the apical pair; body slender, front tarsi of female not dilated: black, includinlo, the palpi; ft-ont of inale tbree-fifths as wide as, in the fetuale lightly wider t1i.an, either eye, two pairs





89

of orbital bristles iii the female, none in the mnale, frontal bristles descetidino' below middle of second aiiteimial jointt, cheeks onefourth as widfe as the eye-height, facial ridges bristly onl the lowest fourth, antennal four-fifths as long as the face, the third joint one and one-half times as long as ti e secoiid, arista thickened oil thebasal fourth, the penil timate'joinlt shorter tliubroad; thorax gray poliuose, marked with three blackI vtw three 1)ostslltural Mac(hrochb.-et~e ; abdomen thinly gray polliniose alId with blackish reflectino-g spots, last three segiienits bearing discal anl(l marginal 1U8crod1htw; mile tii-gac er two or more miacrochl18it onl the froitt side ne~ar the middle, front pulvilli of liale ais lonig ais the last tarsal joint. wings hiyaliine, third vein bearing one or tw b( bristles near the base; calylptel'es white; leng(4th, 9
in. Norfolk, Va., ai1 irkwood. Mlo. Fourles .Id w
flemiales. Type No. 35861~ 1J. S. itioill i-luseunn .JWnitatli.]I. sp.*

Genus MACROMEIGENIA Er. and Berg.

3lacronteigetti llraitera l :tidIeIgenst aiiim, iwtlf i s di. M1'S. \Xici V, 1). 311; 1891.
TheW type~( species is black, the tirist t wo antenmm al *joi mits, pallpi, 811(1 fourth abdoiimmal segineiit, except societies its base, yellow ; flour postsiitaral ajid three steiipletiral m1acroc'Hvt; : egh41 to 14 min11. iNorthuern \ii'"iiii id T11 ftonl Ga; (Aus r z weif. Iisektemii Vol. 11, p.,,09); ISM3: i'Ucllia. 'Tahu ifltei-'itptJa Wallker, I isect a Sanmidersiana. Vol. 1, 1). 295; 1 &56;.) ............ -N ri/oeHtaf Yied.

Genus GYMNOCHIETA flesv.

GSYnMHO(.I(wta~ 1.cvoidy, Essi sur les Al'odaires, 1. :171; 1830.
Body occ put an sids oftroi t greeti. am tenm I;amid legs black
somtims tme lli~l imtmiia.joint is yellow, aiid rarely thv ei tir antenim-e is yellow ; palpi yellow, from tal bristles ill sin (o'le rows; length, 10 to 12 mil. Newark. N. J., anid Colorado. (D iptev-a Amier. Sept. hIdigena, Cenit. Vill, No. 61; 186"). Gqimoehat, ritficoris Willistoui, Tranis. Amer. Ent. Soc., Vol. XIII, p. .302; October, 1886.) a Icudo Loew.

Umu'ccoqnizc:d .specis.-G. ri rida Willistoit, Traiis. Anmer. Eiint. Soc., Vol. XIII, p. 302; October, 1886). Pa.

Genus METAPHYTO, new genus.
Time characters of this grenus mnay be gleaned from the above table of genera and the following description ot the type species: Black, time ,apex of the scutellumi yellowish; front of fennmale one aind one-third times as wide as either eye, two pairs or orbital bristles, troutals dlescend~ing to middle of second aiitennal ontvirsi'lghyabe time level of front edge ot oral iiiargrin, two or three bristlestabove each, aiitenna'e nearly four-fifths as long as the face, the third joint one arnd





90
one-tlihA tines is loii,,- as the second allist.
7 1 a thickened oil the basal
half, the twilli-Itilliate Joint scarcely longer than wide; thorax thiiily OT11V niai-11-e(l with four black vitta,., thtee po8tsutunal aiid
three sternopleural inaci-ocli;i t;i setitellarn bearfitz four inarginal pairs alOomen thinly greiy pdlinose mi the 1, st three seginents, which bear 111(tt'"ill(d nuwr()ch:vtt,, front tarsi noticeable dilatedd; middle tihi-1, cicli beat-ing tl -ree or more inacroch;vt(v on, the front side neir the 1111(11141, Ilind tibi;l TlOt 41h1tV oatwardly; Avings hyalinel the base yellmv. thli'd N-eill I)earino. threC 01- follr bristles near tli(,,- base, bend of' I'Mil-th veill alid bcarilig, (I stlunp about as hmg as the sinall
erwisN-eiii. the N-cin 1)(wond it sti'mio-IN, arcuate hind crossvein near last fwiith ( & distance h-mii the snntll to the beii(l; calypteres -white; leii(rth, 9 111 Ill. CAdm-ado. '17wo G,111,dc sl)eciineiis collected by --,Ntr. Carl F. Bakev.
S. .N;itim Ktl -ALLISC1.1111 .................. eitatis it. sp.

Genus EXORISTOIDES, new genus.

1,114, clmincten-, ()f, this "'(1111IS of NvIiieli john8oiii is the type species? 11111V hO "'le:11TI(A fl-mil tilt, table ()f relielu oil 1)1-e,(-C(li11g pages ()t* Otis
Illd h-mil th (I (lcscI-I1)tl(m (d t1tis slwcies o'k-eii belmv:
Thit'd jwilt of -llitclill(l, cmica\-e oil the fi-olit, e(l(rel three or four ,tl)ex ()f scutelltunelind of aboloinen black, the 1),111J. aiid sonictlines the base of the tliii-d
-inteiinal ]()lilt. Yeflmv; fi-mit in male three-foilrdis as wide as, ill the t Ctmile sll,,htly wider than, either eye, two 1)airs of ()rl)ltal hi-istit-'s ill the f('111,110 Nvantino- ill the m(ale frolitll bristles descendiw '. to tlie ansta. clieeks ()ne-foiirth as AN-ide as the eye lleil(dlt. MI (11 ]lite with fi-wit edo-e of oral war(yin, tw() or
till.(,(. bi-istles almve eaell, 'WitellIM' '(11111OSt '(IS 101 1(1) as the fitee, the tllil (l '10111t ill t1le 111(fle tk-e, ill the finale two an(l mie-thir(l, fillies ()-, 1011g, is the secml(l. arlst.i tliicl ened oil the basal twofifths io titree-fiftlis. the pentiltiniate joint Slightly loijo-er than
thonix lo-nay ImIlillOse, illarked with four black vittw,
t1ii-ee lwststititi-al sciitellum bearing three lolll(-r
umi---Inal pairs jnd a short apicA p.air; al)(loiijen thinly gi-ay
an(I with reflecting darker spots, last three segiiients
be(li-Illo- discal alld ill-.Irginal ji-jacroch-.(,tv; iniddle tibi,,e bem-hiotlirce or more oil the ftmit side ()feach near the middle, front t-ar.,"i of female d1hated, front I)ul\-Illi of male almost as ]()jig
IL joint- wings byalhie, first vein bearing two or a-, the last tansal
inore bristles on the outer half, third vein bristly almost to the small erossN-ein, beiA of fmuth vein almost reettangular, destitute of all appeiidage, vein beyond Owl beiid strongly are-nate, hind crossvelit. iiearly Straight, slightly beyond middle between.
the sinall and the beml; calypteres white; le-ngtb, 6 to mill.
1-.(-tstport, Me.; Franconia,, N. 11.; Westville aud Cleinenton, .-N. J. Three males and three feniales, collected May 30 aiid July





91

21118957 by A. T. Slosson mid Mi. C. W. Johnson. T pe
No. 3588, U. S. -National Museum. (Somolcja sp.., Br-mer and Bergenstaillm hi, litt.) -------------------------- sloNsono) it. Sp.
Third joiiit of antemite stmig-ly convex oil the front edge, two sterilopleural macrocha-tat, apex of setitellain aild of abdomen, first two johits of aittemm, aiid of the titin't yellow; froittal bristles dese-eading- to apex of secon(I -littiimal Joint, cheeks two-e hei(rht; first veill bristly oil olle-t'()tll'tll fifths as broad as the e Z7
of its letigth itear the mi(Mle, the thir(l bristly -0most or slightly over bal6vay to the small crossveiii; leii,,J1i. 9 mm.: otherwise ,ts ill :tbove description of s1().ssoim,. flertfi)r(l Comity, N. C. aml lkello, Nev. Two female sl)(_,cimens,; one (,ollecte(l Jime 9, 1,S195,
'v Al r. W. Jolills-'oll, the other by Nlr. 1-1. F. NN-ickliam. Type 1,J). S. N national Museum ---------------No. )581 1 johii.vmi Ti. sp.

Genus HYPHANTROPHAGA Town.

Hyphantrophaya Tmvn-wnd, PsNclw, Vol. 1-1, 1). 2,17; April, 1892.
Our shingle species is; I)Ltcl t1le "irst t\voj()illts of the :111tellit'-v, p.'1lpi' and tpex of probo,, cis yellow; four Imststittii-A :m(l t hnt- sterjtoj lettral macroelm'ta' Tlli(ldle til)i,'(' eaCh bearhio' .I simrle 111"Iel-m-11,14'a on t1le fmit side iwar the, Mi(ldle, hiial tll)it- mit\varffly subciliate. secmi(l mid third sellmwnt- of tlmlomen bearin(4- otily iiiftro-iiial tlt(, f(mi-th witli fiscall aml. maro-inal macrochvtv: leiigtfi. 7 111111. 11"110111 It COh-pe speciitien. Las Cruces, s7-. Alex. (11syche. Vol. N'l. 1). 176; ISM:
---------------------------Genus EXORISTA Meig.

Exorita'Nleigen, in III 'Mag,uln flir lnsvl tenl jinde. Vol. 11, 1). 280; Lydelb( Desvoidy, Ess:ii sm-les Myodaires, p. 112; Phrywo Desvoidy. loc. cit., p. 1-13.
Phryxe Posvoidy, loc. eit., p. 158.
Careclia Desvoidy, loc. cit., 1). 176.
AJ)7omy(l Desvoidy, loc. cit., P. 184.
Eu ry!lfistcr Afact I nart, 111- f()iiv Naturelle Diptf' res, Vol. 11, 1). 11;-); ls': "-). 1111biteri(I P(-SvOidv7 Anmij(-, <,)c. EAit. France. 1). (;()1, ri, 'v Prodrolluts
Vcmorilla PoiA m', 1-1> ltilic o 1. 1, 1).
Ploplmridca Pondaui, loc. cit., p. 67.
1porom! a Rondani, loc. cit., N'-ol. 111, 1). 901 Parexorista Braner and I)(, r,-clistain In. Z'\veil'. Mus. Wienl IV, I-). 7: 1889. Skyropa 1'rauer and Ber-enstamm, loc. cit., 1). 163.
3 yxexorista Brauer;md loc. cit., V, 1). 3.31; 1891.
ltoild.ini places Eurygaster as a syiion. -m of Exorista,' 1111(l ill this be is followed by Scbiner,2 while ratherr and J)ergenstaijim trive t1iis synonyiny as probable." Selihier also gives Lydella, Phr -il(), Cclreeli'l

Dipterologia- Italiew Prodromns, Vol. 111, 1). 115; 18,-9. F'auna Austriie:t, Vol. 1. 1). 457; 1862. "Z'weif. Kais. "Mus. Wien, 1711Index; 1893.







Hubneria, and Aporoniyia wo synonyms of Exorista, and Braner .111d Bergenstimin Ilmlic 111 of tile"' (With the exception of Aporomyia) synonyms of Rtrexorista, phicino, the hitter ,uld 'Nelliorilla as subgeneni of' I]xoristt. _.Aporoinyht tile)- pLice, ill i separate section, poli(leil. but .III exit Inintitiol I of ,t specimen receiN-ed ftom thein under tbeii'lille of, Apm om.lfiff (htbi(f, t1w ".qw(les upon which Rkoiidmi founded this pi-oves that it sliould iliot I)e seimnllte(l fi-oni Ex0rista.
Pflepbari(le;t. Slis NTOP;I. '111d AlYXeNo1-i-,ta they pi"Ice III ,is 1111111Y (1111'erent SeJioli ;. cvell putting ill two sections, (mce in the section
_ALI-,1CCI',1 ;tlld i wcoml nine III the -,e(-tion Phomcena. A c,(ireftil examill"Itioll ()I* sjwcijll('11 4 refel-l-ed by these tilithors to these tbree geneni 1'.tiled to i-c\-( ;t1 a slit--le --eiwnu- cluinictot, for sepax.iting tbein 1'rom cich (ithei- m- fnmi t ypicA specie.,; of Exm-Isti. 'Moreover of 1,6111. ,- pecillwlls ()I cwlryw subinitte(I to these autfioni ; by
DI.. lk114, \-. fw() (4, t1w ". pccimcn-' wct-e icfei ie(I I)y them to Si.syropa 1111d hv(o to 11 '11141 of 1111-ce spcclllwlls (fl, E',IwriNta /1(( 1, i rostris. t\\-() Nvcn, I-cfCl.n,1l 1) HwIn ti),SIs N-1-op't im l the nniaini]l(1,' sPeC11114,11 to Tlwse '111thm's ".k-e P111-Yxv ls I syllonyin a

O ill- spccles ot, '11-c 'Is 1*4)11()\N-S:
illl(l thini sc-111(,11ts of -,js well as,
...................................
ecolld 111A 0111-41 (icstitlite of 111:1( lw tw 14,
W ith till.ce ----------------_ ------- 50
With mII \- t\\,() mm-i-ocim-ki-I iwile 41(,stitiite of orbitA
hl lsllcsl 1111111 1 11)1;1 m it-NN"Irill v cillate, .1p1c;II cefl opell ....... :3.
:3. '111(m ix bem-1111(" 16111. Imstslitill"ll nmct-och.,O i,- p.ilpl partlyor -%NTII()Il y
N-ellw N ............................................... 4.
Thol"Ix be.11.111- mt1N- thlce po.- tsutur,d scittellum bLack
of '11)JOIlIcIl sholl, (Icpivs.- ctl. ml(kile, I ibi;t, e.ich bearillo'. a
sill"Ie on t1le. fi-ollt s1fle Ilem. the 1111(fille; p'llpi yellow. fl-mlt ill t1le 111;lle w-w-hAt" M the fulw"lle lk-e-Sixthsl as wide
(I*tll(ll' (We, tllil.(l "Joillt, of, '111tem1w thive '11141 olle-11-Af times as
ion:2I 'Is tile SOC011111 G to 1)
P:1., 11A noillwi'n 1111inois. (Cammlian Eintoniologist, Vol. X I \, p. 162: Sept.. I SS7. 1) ----------- bla it (1(( 0. S.
4. Scutellum yellow, 11:01-, of 91bilonlen nitber long 'Ind subel-ect, ini(I.
t1le I ibi;l ("wil be,11.111g. two or 111ol-e 1lmcmcIIwt;u on the fi-ont si(le, lle lr t1w Illi(bile, fnmt in the iwih, one-fi.-df., In the female fivejoilit ot, '111tenim, two "Aild ollesixths. ls wide is either e -e. tllil.(l I
li'llf tinlc:i I,; lollo is tile ",;ecoml leno-illi S to 10 min. Francopia N. II.. Mlchiomi, Tcmtes,,ec, Georo i,,i Cthforitia, and Austria.
A, feniale Specimen fnmi t1w ScIiiner collection, received from 111"Iller '111d Benrellshimm un(ler the nanie of Pm-e.rorista eheloniw Jtoml. (Dipt. ltilic t, Pro(I., Vol. III, p. 120; 18,59.
'nuier md l'ergenstmim in litt.). -cheloni(ou Rould.





93

Scutellain black, mi(fdle tibi"u each bearing a slight" 111"(wroc-liaAa Oil
tile frout -;ide near tile iniddle7 I'l-mit ill tile inale two-thirds, ill the female five-sixths, as Wide as eitll(,I. eye, third Joint of antenna, mie and mie-lialf tillies as Imio, as tile second; length, 5 to 8 inin. Fnim-mlial _,N. H.1 13everly, _Mass.; Distri(A of Columbia; S. C.; Biscayne J)kay, 14"Ll. Oxford, Ind.;
Moselle, Mo.; Ti ,7;"er Mills, Tex.; Colorado, and Allende, Me I C, 0.
(Li,,t of Dipter(AUS Insects, Part IV, 1). -54; IS4( I ): TOckina.
Tach ina E.i,orista I phycita, Lellarmi, Secmid L)"eport Insects Illiimk. 1213; 187.2. Exorista scwld ,ri Williston, ill Scudder's ButteriliC., ()f NCNV 1,11(daild Vol. 111. 1). 1921 _.._'c,)nm-i11a sp., Bnatier and Bergenstainin in litt.) ............. pystc N%17alk.
5. P alpi yell()w ------------------------------------------------- 7.
Palpi black, fimil. pwt.- titural inacnwhwta (,iiiellum u-,ually yell( )w,
middle tibi'v each bearill(,- tw() or more mcafi-m-h(vt t, ()it the front ,4de near the iniddle, hind tibia- outwardly (-iliate, apical cell o)peit, intake destititte of'(,)r1_)itaI bristles --_ ------------------ 6.
6. Frout ill both one and one-f6urth tinles as Nvide as either eye7
third I ill the feInale tw() and
,i()illt ()f '111tellim, ill tile Inale f1mll.
olle-fimilli, tillic.-;-as loll(",. a's, tit(-, ecwifll ari,- t.t thickened to the middle- lenoth, 7 to 8 min. WhIto Almtitt tlits and Fraile(,mia,
U.; Olympi4a, 144llo-huld, and "Altstria. 011c felliale
from En,Jaijil received fi-mit 11.'j. Brunetti ind by him nallied Lxorist(f ; al o t \\,() miles awl mle I*Cmale fi-mit Austriai
14-0111 14-MP-T Mid ta ill tit :111(1 nallwd 1)1v thi-111 114,1cpharidca
rlflyari,, Fall. (1 ,mlg]. S enska N'eteitsk. Aka(L Ilandling-erl V(A. XXXI; 1810: T ahiim. The !'(dJo\vin_(,, synonviny is rivett by Itmidani I aml repeated by Sehiner: sc.utcllm-is Desvoidy, Essai sur les Mymlaires, 1). 115; L'xoeist(( distmis
M,'wqtlart Aillmles Sm.. EWomol. France. p.3S7; 1849. Lxorista, MO((x Afacquart, low. cit., p.: )s,,i. Exoristi( lfiwida Ahc(Itiart, l4w.
cit., 1). -toO. Tile folh)wing- syimnymy is by tile writer: T(whina [Exorista] hirs (fit 0,,4en Sackett. C)(,m,,tdian l"Jittomolw(eist, V(A.
xix, 1). 163; Septeniher, 1887. Blcphar (Icet O.S., l1rauer
'(111d Bergenstanint in M t.) --------------------- ritlym,,is Fallei).
Front ill the male mie-half, ill tlt(- fenutle three-fourtlis a. tt
either e-ve; tliirdjoliit ()f taub,,mia, ill the inale two aild mie-half, ill tfiw fcmile mie tand oil(- third, times as loit14- as the se(-ond; ari, 5 to 8 min. Tormito
sta thickened oil tite 1)as(il third; length,
Can.; Fnam.-miia, -N. H.; Dist. Columbia; Illinois, and smithern Ctal. (Psv-clle 17(4. V11, 1). 330; Jan., ni(wip(dpiN Town. 7. Thorax beaving four Iwststitural, ill aerm"ll (.14: 1'. apical cell 14.
Thorax bearing wily three poststittival nlacrochwtw - -------- S.
S. Middle tibhe eaelt be,,irinp- two or more macr( )chwtw mi, the ft-mit
si(le near the m id(IN --------------------------------- 9.

IDiptcrolo.-iw Ttaliew Prodrwwis, V(d. 111, 1). 110; IS5!
21'auna ustriaeal VOL 1, 1). -15, ; lzsG,1,





94

,11iddle tibi;t ea(-li behaving a sinde inaerochuta oil the frout si(le
near tile iniddle; scittellum. black; apic-al cell open; t'roilt ill the, fejuale'tliree-fourtlis as I)rOad is eitlier ey( ; fitee, white pollillose; O)irdjoilit of alitellim, three tilliesas lollgas t1lesecoll(l; lengt1l, 6 111111. Fr:111colliz-1 N. It.; Georgia; AIissouri, and'I'exas. (Biol.
Cetit. Amer., Dipt.,Vol. 11, 1). 64; Feb., 1890.) ordiiiaria v. d. W. 9. Selit('1111111 lanp'elv vellow front bearincr 11111lierolls sliort, nearly
(Tect liair-,, thirty veiii bcarin,(-, two bristles near the base, apical
1'1.(),14- ill tile ],,,,let
L, Nvo-tlfird.s'in tite fein.ale five-sixths,as vi(le ;I's Cither eve. t1lird antenna, ill the inale t vo
(111(t wic-1,0111-thl ill tll(, 1'elli'lle olle alid tilree-Fourths, times as loll", he Second : lell --tll. 6 to 8 711111. Toronto, Cauada; Frailcollia, N. 11. Slimillit Colliltv, Colo.; Germ,,-in,N,7 and Austria.
Two felll lles I'l-olli (101 1WHIN, 1'eCelVed from Zeller and by Uri 0 /11 1, wie Cemale I't-mn Aitstria, from the
ol(t Schiiier (-ollectioll, received froill Bratler and l1er(I'l-enstallilli till(l by theill 11,111led P(tr("ror'shl polych(vta Maeq.l (Kollgl.
Svellsk-1 Akml. 11,11)(11111ger, Vol. XN-X1- 1810: Ptch; it (t. L'x(wlst(l polycholef Macqual.t. Allil"des Soc. 1"Jiltoniol.
I"i"11TIC111. p. :))SO. ISO). T(whMa cpicy1cs Walker, List of Djptermis IIISC(-ts, Part IN',1). Parcrori.0a sp., Brauer
-111d ...... ....... ...... ... (I ISo blwill, fimrs ot' f-i-mit -liort mid iiiconspicuotts, fi-oittiii the
1 ( lllille fi\-v-"- lXt1l,-; as wide as either eye, the tI1il-d alitellil,11joilit t\vq) "Ill(I one-11(l1t, tillies a"i hm o, as tile Second- 10.
ScIttellitill h1ack except tile tip. thil-6 jollit of' "tiltellilv five tilliesas
ls the sccoml; black, thepalpf andexii-enle tipof sc.litellilill
vello\v: froilt oC 1'eill"lle (is Nvl(le Is vither eve7 hairs on its sides ;parse blit rmhcr lolig, frontal bristles descendingg almost to
ba,- e oftilli-d '111telln'(11 Joint. ,- ldesot' fiace
mle-Seventhas vi(le a:-; thevve-fielo'llt antenwv almostasloDoas t fie 1,(lce. a 1.1 La th ickeile(l m I thehasalthird, tliepeiiii1timate.joint "llm-ter than bro ld: tllonix gray pollino,,--e and marked with four black Vitt;(" "clitelluill 1waring- toitr ni-irginal pairs of macroch:(,t.vtfivListpajr erticlate .in(l (1'rected backward; abdomen -;III)S11111ill", the hi ,t tliree segineiits gray pollinose except on tlieli, <;plces, tile bristly bairs rather loii(-),, ,iud subdepressed; W1110's livallne. third vein two bristles near the base,
the Imirtli stroijgly arcuate beyond the beiA, calN7pteres NN-bitish; lew,41111 'S ill ill. University,Nortli Dakota. A single female specimen collected ill June, 1896, by Mr. R. P. Cui-rie- earriei n. sp.

I in the Zweif. Rlis. 'Mus. Wicill V, 1). 320, these authors gIve affi0s as a probable 'V(knety of Polycho'bl, ])lit tlie i Nvo names are evidently referable to one and the same species. Schiner's stiternent in Ills Faiina Austrl.ica, Vol. I, p. 463, that in affini8 the frontal bristles -ire ki n suigle row, while in pol!ichwta they are in two rows, or irregularly arranged, (Ioes not hold true in all the specimens; in one of' titose from Geri mti iy, referre(l f () above, they are in a single, row on one side of the front, but are irregularly ;irrauged on the opposite side.





95

10. Third vein bearing three bristles neal- its Nase,.tpical ce'll iiarrowly
open or closed and short petiolate; body Nvitit t brassy
length, 5 to 6 min. Colorado) aiid Austrilt. z fimale speclineii front Austria, received from Bratter aiid Bergenstainni. and by them named .4pormnyia dabia.1toitd. J ()iitrl. S%-enska Vetetisk. Akad. Itai)(1.1 N-01. 181(): T(tclthm.) ---- di(bia Fall.
Third vein brisflyalmost to the small crossveili, body wifli I billisil
tin(re; blae.k, the palt)i fi-mital bristles deseeii(ling
slightly below tit(,. arist-a, cheeks ojie-tburtli as broad as the eve beigrilt, vibriss-w oil a level with tr(,)iit edge of ()tal illarIgill, two ()r three bristles above eacli auteiiiiw allimst as the
sta thickeiied ()it the ba.s.il half, tliot-ax grzty lmllfiiose,
itiarked with foui- black vitt.u, S(..utelllllll bearilig. three 1()Il(r it'iarg i iial pairs aiid a short apical pai i- of abdomeii oit. last three segiiieiits thiiily bli-tish-o-nay pollii1ose, first segineiitbeariii(,,iii-,ti-(,-iiitI the (Aller tit ree with (I i scal ait (I it i at-o-ii i al macro(-h-eta,,., IM-istly hairs of tile I I depi-essed: I'l-oll 6 fill-si greatly dihated, lihid tibize otitwan"lly twaritio. a, t*eNv bristl(.. S of 111,1equal length; willo-s' 11yalille, lifild ci-ossweill Ileal-ly straight, fourtli vein stroiigly ettrved hiward beyond flie beiid; calyl)teres wbite; lengtil, 6 mill. Tiftoii, Ga. A sim-le 4'emale specimen cOllected October 201 18967 by Mr. G. R. Pil'ite. 'I"Ype N'().
3( ()a.) I U. S. Natiollal M ws'ettill --------------- spillipcnuis it. sp.
11. Middle tibia, each beariiig two ()r more inacrtwhwb- ()it the fi-oitt
side near the m iddle ----------------------------------- 13.
Middle tibi-e each bearijio- siiio-le m(ac.rocliata ()It tile 1'rolit side jo
near the mid(Ile, hiii(I tibi.v outwardly ciliate ----------- o
12o Apical pair of setitellar macroclut4w Iorward, scittellum
wholly blacl frojit iii the male two-fiftlis, iii tlle feiliale t*i-()ill two-thirds to thi-ee-foiti-ths, als 'Wide as citlier eye, tliird j()iiit of anteinia, iti both sexes tfiree aiid oite-lialf tines as Imig as the second; blacl the seemed, johit ()f aiiteumv tislially! tile palpi, apex of proboscis, Ieinora usually, aiid --elierally tile tibiw, yellow; face white, sides of froi)t gravisli wItite polliDose, two pairs of orbital bristles iii the teiwale, NN-aj)tiiig fit the male, frontal bristles deseeiidiiigr to apex of' sccoild anteillial
joint, aDtemia, six-sevenths as long.as the
Oil the basal fourth, the penulffinate.joint slj()rtei- tliaii bi-oad; thorax tri-ay pollhiose, marked witli 1*()tii- blacl vittw, set-ttellimi
bearhig three pairs of lo-tio- iiiargimal. alid a short
(Erected a-pica-I pair of macroclizeta-, abdonten Miolly gi-ay 1)()Ilinose, with darker reflecting sl,)ots, the liairs depressed; wings hyaline, third vein beariiig two or three bristles near its I)ase, ealypteres white, froi)t ptilvilli of male slightly flitaii t1w
last tarsal joint; length, 6) to 9 nim. Cotuid and Boston, M -ass;.
District of Columbia; and Camden, Ark. Four m- Idesaii(I tliree females. Type No.3591, U. S. National Museum.. boar ))t.,iw it. sp.





6

Apical, pair, etc.; differs from bom-mia, .Is follows: Front of male
sh"11t] Nvider thall either eye, his third "llitelmal Joint six times as 1(ilig aS tile Seeolldl miw and le(rs black, arista thicli-Leiied on the 1)(Is.11 two-fifths, abdomen sttbshhiino l bases of last tfiree, segmellts -'raylsh pollin.ose, tile hairs suberect and rather lon(r win---, strom]v tino-ed Nvith (vray at base and alollo, tile costa;
-.1shington, H. A single inale specilliell c(flIected by Mrs. T. Sloss0ii ................... Irmito ii. sp.
Apical 1),tir of scatelhir nmcrocluitiu directed backivard; sentellaill
oil the "IlwX broadly Yellow, fi-mit of' Feiimle four-fifths as wi(le 'IS eitheL' 0 Vel Joint of antelln,1, fom. and olu-11alftinles as bmg. I-, the secoml, femora blaek, third vein bearing I'mir or
tive bri"'Oes at, its lellotil, 10 liall.)
n otherwise as ill the
above descrit)tion ofbmirmlw. Frmcoitia, N. If. Two female.
specimens c(Olected by Mrs. A. T. Slosson. Typ ). '5 )2, / .
S. -Natimi'll M useum .......................... blamlit(( n. sp.
13. Scutellum black, imlicii ()l'thora.K gra -, hind, tibit- not ciliate, front
ill the Felliale olle-11,11t, (Is Nvide as either eye, her third ailtelmal Jmllt thive tillies as 1ml-- -,I-; tile ".;ccolld; I)LIck thesecolld alitell11,11 joi I I f, J)al pi al l(I -.1pex of* proboscis, yellow; sides of fl-ollt (ICAt I t it te ol, Im Irs, 111 tile, 1,cill-Ac I)C;l rill -. two pairs (&orbital bristles fi-oll tll bristle" descell(Illig to Illiddle of secmld alifelmal ioillt; I I v IllIrked Nvith F6111. bIlIck vitt"vi scutellitill I)AI -,of Imigillargiiiil maci-m-im-t.r, abdomen whitlt-- ll:tirs. (le1wesse(l. tjwx offourth segmeiit bare th is seo-Illell o hell-ill-'l '111(l 111MI(Villal row of, in "Icrocluvfie; NNAMrs liv,1111le, tllll.(t veill be'll-111". three bristles. at its basv Clfth-ptcres whitc: 1clig-til. 7 111111. 1 )lst. C()Illllll)li. A sillgle fe'll)"de
1) cc i i i i c vi. T vj)c No). :;5193), IT. S. Natiollal Al llsettill J8(v ]I. sp.
Scilteillill) vellowlsh, jmllcl) of' thm-ax 1111141 t1hi.v olltwardly
cili'Itc, I'l-mit, of, male two-thilAs as wide as either ey his third, antemial jomt 6mr aml mic-hilf' times as lmiw as tile secolld; black. the 1),11pi. tihi;l- I'll-glAy, and scutellitill yellow; Sides of frollt bearill(r liltmerolis bristly hairs, ito orbit,il bristles ill the 111,11cl fi-mit'll bristles descelidill1g. to apex of secolld .illteillial Joint, t hol-ax yellmvisll pollinose, mark-ed with fourblack vitt(v,
cutellltlll hearill(r 1,6111. p-Ars of long marginal macrochwtw; y- 1 rr.iy ImIlhiose, its bairs rather Imig ,Ind sl1b. abdomen wholl 1erect; Nvings ll -ttlinej tI)ird vein. bearijig three bristles near its base, ft-ont calyptcreS white, the hind ones yellowish ; frout pulvilli (X male slightly h)ii(rer than. thelast tarsalJoint; length, 10 111M. White .11oll nt aills -N, If. A single inale specimen).
Type No. 3594, U. S. _Ntti omil Museum --------- helrbia n. -sq).
14. With four SterIlOlAeltral macroell.14w, Iiind tibhM outwardly ciliate,
middletibia, each bearhip, two or more incteroch1vta, oil theft-ont, side near the nliddle, scittelltim 'Jargely yellow, four poststifitral.
inacroch etw, ai-ista t1lickened to the middle ............. 10'.





97

With three steriiopleural macrocluetal ----------------------- is.
With offly two sternopleur,-d macroclia4w, Iiind tibiw outwardly
ciliate, arista t1iickened oil the basA third --------------- 16.
15. Palpi black, front, in the inale three-fourths, in. the fem-.de oile and
one-sixth times, as wide as either eye; third Joint of anteinwin the in,,ilefive, inthe finale three, tijiies,,is lono, as the second; length, 5 to 7 mm. White 1Nfountains -,md Franconia, --\. I'l.; .13everly, Mass.; District of Columbia; Slireveport, Las
CrucesN-Mex.1; Ttieson, Ariz.; Califomiti, ind -kiistria. Two males at id one, female from Aiistrii, received from Bnluer alld bergenstarniii mid by them muned Par(,xorist(t coqfi)iis 1%01.
Pi20: Tliefollowino
Phrgre
Zloiiata I)esvoi(lyE.ssai stir les Mvod,ilre.s, 1). 159; PS30. TliefollowingisbySc1iiner:
sabulosaDesvoidyI.e. Tliefollo\N-iii(Tisl \-tliewi it(,r: T(tchiua theclarma Scudder Vol. NIX, 1). 1,66;
Septeuil)er, 1887. Exorista clirysophmti Towiisend,' IAitonioIogic".11 -Niews, Vol. 11, 1). 197; December. -confinis Fall.
Palpi yellow, front in the iii.ile, two-tbirds, in the 1'eniale t1ircefoiii-tli,,-;, the widtli of eitlier eye; tliir(lj()iiit of ,intenim- ill e:'tch sex four tillies as lollo. as tile secolld; blacl the p"llpi Culd scutellum, except at base, yellow; sides of fi-mit bem-iii(4- scattered, rather short, liters; two p.tirs of olJ)Ital thistles ill the 1'emale, none ill the ituile; mitenim, nearly -.is loii,,- -ts the fm-e, arista thickelied ilmost to the middle. (-Iieel s oiie-sixtli as Nvide ,.,is the eye height, facial rido-es bristly oil flie lowest fourth to luilf; thorax gray pollmose, in:u1ed witll bl-lcj vitt'("
sentellum betritio- two loup- aiid two short pairs of Illargiluli Macroclia-ta-, ltbdoille11 oil the last t'lli-ee seo'lliellts ()-r(ly pollinose except the (,II)ex of e(,tcli, the Imirs depressed; Aviii(I-I's llplline. baso of third vein beariiio- two bristles alvpteres white; frout pulvilli of itiale slig-litly longer t1taii the last tars'Iljoillt; lell().tll 5.5 to 8 inin. -Maryl-Mid, 1)istrict of Colmnbitt, "tild Virginia. Two in-Mes mid five females. Type -No. 359.5, 171. S.
National M usetim ----- ------------------------ M elia, 11. sp.
16. W ith four postsutural iiiaicrocluut.t .............. ........... 17.
With only three poststitur,il in.,lerochietw, middle tibia, eacli 'bearing a single macroebwta oil the front side near the middle; black, the palpi, scutellum, feinorkl, and tibi;u yellow; froilt ill female two-th'rds the width. of either eye, the sides beariiionumerous rather short liars. two pairs of orbital bristles in the ,female, frontal bristles descendiDg nearly to apex of second joint of antemize, cheeks scarcely one-tenth. as brmid (is flie,
Mr. Townsend has admitted the sN-nonN iiiv of clirq8ophani and thcelaritm in Tram". Amer. Ent. Soc., Vol. XXII, 1). 75; 1895.
3359-7





98

( ve height, antennae iiem-ly loito, tlts the face, tile third
fo I I r t I ;1 1")!l t hO I;kl(,( 111(1 (trist it. tit I ()it t lie basal t1iii.d. the 1),,,imitimice Joint shorter th.iii broid, fil.cial 1.1do-es lirist1v ()It I'lle fifth, thorax 011"Ay pollillOSel with
I*M I 1 b I it .k vit t;,,,. S(-Iltell it III I)e .I I, i I I I'M ir pa I n-; Of ]()I I(), I I I' I I.'ri I] -ill oil the L1,4 tilree selo'llielits gr lv PoIlltll(-. llail"; rather 10:1", Illd -, uberect lly lllllc, third
veill hcarillw oile ()I, two at its 1),Isel calypteres wllit ;
9 311111. NN'llit-e Mollilt.lill". New I 1:1111p.shil-C, :iiid Fraiik1,01A, I I. Two felwiles, c(dlectetl by -Mrs. X. T.
Atv. C. W. Jolillsoll. All(rust 20. 1 S! Type -No.
N-:1tim i'll M il"elilli . . . . . . . . . . . . . . O)Pplexa it. sp.
17. Palpi '11A le')", Ulck. Illiddle tiljii each bearhio- two or inore m.icrocfi;i4w ()it t'ie fi-mit side ue(tr tile nii(idle: fi-oiit ill the inale till-e(!-filurtlis, i!l the f0ill'-fle olie itild olie-sixtit, tillie's. as wide -I-, clther eye. a dark browil lvllectilll ,- spot belmv emdi ot the 1()Nve,-;t frontal bristles. third Joint ofaiitemut, ill the uutle three aiid oiie-Itidt', ill the ft,,inile two "Illd olie-1,6111-th, tillies ;Is loll"
lie s(,c()Il(l lelig-th. () to I 1 111111. Sill(troli, Ah ss.; 11(wtherli
Illillo)IS. ( 'illitm-11M. alld ( )rc(, oll. (Cal). E.11tolliologist, Vol. X PN l
I G I Se 1) t e I I I be 1% 18,' 7 T(whilm L'xm-isfall. P(frcxorisfif in litt.) 0. S.
Palpi vc1l()%v. nil(1,11t, tibkt- clch I sill _rle illacrochvt:1 ()It t1le
frt)llt Side Cle Illid(fle, I'volit ill fellille tbive-fiftlis it,, wi(le
11S (11thel, cyc. 11cl, 11111,41 'lliteillm lJollit thrce 'llid olle-11,11t, 0111CS
hw". 1- file sccl)lld. 114) slmts below tit(' lmve l f'rolit"d
leng-th.9 nill). I )P4.('4)ltvn1)M l')ioI()(,-i;t Ceiit.-A iiier., i )i pt V(d. 11, 1). 7f: l"clu'll(IrY. 16 10.1). ..qrls ,fmlicmls v. d. AN'. 1,1 1111A tl*i)l;(, ()u*kW 1IId1v cdii1tv ......... .. ..............
11111d tIhl;1, liot cili;lt ,, lour llliicroclw 4,1 ll dddle tibi"u
( ach t\\() or iimrc mitcrochwt;t, ()It the fi-mir sille
IwM, the 111iddle: the lw1pi yellow: 1,1.()Ilt ill ll),Ile two1- Alide :Is cidwi. cYc, tit(" side"; be'llilig. 1111111crous Filtlicl, sim l.t ]to I)I-Istle" ill tile Ill"llel Crol&Il bris(Ic -wcll(1111." Aillost to ',I])(-X of, secolid ;lilt ('1111A Jollit, cheek-S as NvIlle is the e ve he].g1it, fim-MI 1-idl-es brlstlv oil the lower fialf, antenii.i, neitrlv a- lollo is tile face, Ilw thirdjoilit to)III, tillie's II)i1g. (is the Sec(n)(1, ;Irl-,ta tillickelled lie'll I v to tit(' Illiddle, the pelill"Itillillte .*()illt sli"JitlY loligel. th,111 blu ld 1: tiloT"IX OT;ly p(d],1110SC, Ill'irked with f6ur blacll- vltt ;,. sclitellmn beariii(4, four piirs ot' inirgiiiA inacrocli ov: ithdonicit whitish
pollinose on of last three seg-ineuts. It.-; li lirs subdepres.- e(l : wfligs liyAlue, third veiii be(,tritig t1irce bristles iwar -its ba.- e. bend of fourth iippendiculate. apical ce.11 Aiort petiockllvptcre, NA-11ite: lell(),tll. 6 ]ilu]. VJ11()*1I1Ia.- A inale speci'a t e 11 _1 1
men. Type -No. 3597, V'. S. _N,tti()na1 Musetnu petiol(da it. Sp.





99

19. Palpi yellow on at least the apical two-thirds .............. 22.
Palpi, except the tips, black............................... 20.
20. Middle tibiae each bearing two or more mnacrochtat on the front
side near the middle................................. 21.
Middle tibie each bearing a single imacrochlieta on the front side near
the middle; black ; front of male three-tifths as wide as either eye, frontal bristles descendling to) tlhe arista, no orbital bristles, hairs of front numerous and rather long, cheeks one-eighth as wide as the eye height, vibrisse on a level with front edge of the oral margin, ridges bristly on the lowest fourth, antennae almost as long as the face, the third joint six times as long as the second, arista thickened on the basal fourth, thorax wliitish po)llinose, marked with four black vittze, scutelluni bearing three marginal pairs and a short, cruciate apical pair of macrocheta-, the latter curving backward and nearly horizontal; abdomen shining, with a brassy tinge, narrow bases of the second( and third segments whitish poilinose, each segment bearing marginal macrochwttve, the bristly hairs rather long and suberect; front pulvilli slightly longer than the last tarsal joint; wings hyaline, third vein bearing two or three bristles nearthe base; calypteres white; length, 7 nn. Tifton, Ga. A male specimen collected O(ctober 17,18096, by Mr. (. Pilate. Type No.3598, U. S. National Muiseium ....-----............-......---------------.... polita sp.
21. With four postsutural nacroch;eta (see under 17) ..... futilis O. S.
With only three postsutural mnacrochLtw, front in male fiour-ifths
as wide as either eye, his third antennal joint three and onehalf times as long as the second(l, several mnacrochatae outside of the frontal bristles; length, 10 mnni. Texas. (Biologia Cent.Amer., Vol. II, p1). 70; February, 1890.) ..... angustata v. d. W.
22. Thorax bearing fou r postsutural mniacrochata, abd(lomein not tinged
with brolize, apical cell open ...... . . . ..24.
Thorax bearing only three postsutural macrochwetaw, scutellum
black, miniddle tibia each bearing a single macro(chaeta on the front side near the middle.-............................. 23.
23. Apical cell closed and short p)etiolate, abdomen strongly tinged with
bronze; black, the palpi yellow; front of female one and onesixth times as wide as either eye, the sides bearing numerous short hairs, two pairs of orbital bristles in the female, frontal bristles descending almost to apex of second antennal joint, cheeks nearly one-fourth as wi(lde as the eye height, facial ridges bristly on the lower half : antenna, live-sixths as long as the face, the third joint three times as long as the second, arista thickened on the basal third, the penultimate joint slightly longer than wide; thorax gray pollinose, marked with four black vitta,W scutellumni bearing three long marginal and a short ap)ical pair of macrochata?, abdomen gray pollinose on the bases of the last three segments, its hairs closely appressed,





100

the fourth segment bearing a discal and a marginal row of ma crochwt; wings hyaline, third vein bearing three bristles near its base, bend of fourth vein not appendiculate, this vein nearly straight after the bend; calypteres white; length, 7 mm. Northern Ill. A female specimen collected by W. A.
Nason. Type -No. 3599, U. S. National Museum. . Apical cell open, abdomen not tinged with bronze; black, the palpi
and inner side of each antenna largely yellow, sides of front bearing only a few short hairs, cheeks one-seventh as broad as the eye height, facial ridges bristly on the lowest fifth, third joint of antenow slightly over twice as long as the second, thorax marked with three black vittaw, scutellum bearing two long and an intermediate short pair of marginal macrochbette, abdomen on the last three segments gray pollinose and with numerous reflecting black spots, third vein of wing bearing a single bristle near its base, futiurth vein strongly curved inward beyond the bend; length, 4 nmmn., otherwise as above description of tcrat a. Colorado. A female specimen collected by Carl F. Baker. Type No. 3600), U. S. National Museum. parca n. sp. 24. Middle tibia, each bearing a single macrochta on the front side
near the middle, third joint of antenna in each sex four times as long as the second ................................... 25.
Middle tibic each hearing two or more minacrochatae on the front
side near tlhe middle, scutelliim largely yellow, pollen of body gray. front iI male three-i ths, in the, female two-thirds, as wide as either eye, third joint of antenna in the male three and onehalf, in the female thlec, times as long as the second; length, 6 to I1 m. Calnada; White Mounlltains, New 11ampshire; New lBedfi d, Mass.; Clenleton, N. J.; Maryland; )istrict of Columbia; Virginia; Dayton, Ohio, and St. Louis, Mo. (Trans.
Amer. Ent. Soc., Vol. XIX,p.287; December, 1892. Myxexorista sp.. Brauer and Bergenstamm in litt. isyropa sp., Braner and Bergenstamnm i litt.) ......................... cudrye Town.
25. Scutellum largely yellow; hairs on basal half of fourth segment of
abdomen two-thirds as long as the mnacrochaete, front in the male three-fifths, in the female two-thirds, as wide as either eye, the sides olive gray pollinose and bearing numerous nearly erect short hairs; length, 6 to 9 mm. District of Columbia; Jennings, Va.; Fort George, Fla.; and Miss. (Biol. Cent.Amer., Diptera, Vol. II, p. 6.; February, 1890. Myxexorista sp., Brauer and Bergenstamm in litt.) ... flavirostris v. d. W.
Scutellum black; hairs on basal half of fourth segment of abdomen one-third as long as the macrochAtie, front in the male two-thirds, in the female one and one-sixth times, as wide as either eye, the sides silvery gray pollinose, bearing a few very short inconspicuous hairs; black, the second antennal joint, apex of proboscis, and the palpi yellow; two pairs of orbital