The larger canna leaf-roller (Calpodes ethlius Cram)

Material Information

The larger canna leaf-roller (Calpodes ethlius Cram)
Chittenden, F. H ( Frank Hurlbut ), 1858-1929
Place of Publication:
Washington, D.C.
U.S. G.P.O.
Publication Date:

Record Information

Source Institution:
University of Florida
Rights Management:
This item is a work of the U.S. federal government and not subject to copyright pursuant to 17 U.S.C. §105.
Resource Identifier:
21639905 ( ALEPH )
27979909 ( OCLC )

Full Text

a^W. .9,4
I . lid
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L . HOWARD. E"nomolo rand Chi of i Bureau.


_____ -V


F. II. ('IIiTTENDEN. S'. D.,
In Char! 'if. Trur k ('ropi owil Slored I'rodlnrt JineI !urestiqiations.

> -H1\-r'. .*,^wnrB^r \,1x !.'l I I II.t:: 1912

P 234OU30-I


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S ~E'OS TO !


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Il! I '1 I F Pl' I.'ATOII 0It;IY.

A. ii. ]i\ A.KI'. I:. il,:iidIilimii t itni d ('hiirf rqf Bitetru,.
C. L. M..\I! i I I I'li ,,lI'fi ndt clinl t 'ti/m f 'l i fef in .Abm u net if (7 i' f.
1. S I ii tN. E rf c'ntir' .l .s.i.I',ft.
\\. I'. I\-,ii T. ('hi'/ '(/ 'I..

FI. IL (_'i II IT I .N. itn It4 r h -ig f tirlm., ',.op and qlored prodlrt in.-%rCl iiirefclirfltiJrm.
A. D). TToPK IN.s. il lit', u 'f f, ' 1011 f Ii1,(' I in v/iigl liiug .
W D. HUNTER, iit chuettfI if .'',, *o It /gi'ltr/d '-,I inl t i11 m %tili/tl iv,11.
F. M W I. It_{, in c 'lefI C t f i, t I fi ll H It ] i'll/ I1n.1f I I Ir1 tI, l /itl liiijv.
A. I. Q JAILNTANCE, jfi fl ill t ri u l it ii ggl fti nl v1t1 it 'i *i 1 xiiitlaiii.l%.
E. F. PHILL S'S. in Flori *f, i b, I voilltoo
D). M. it. Hs. in charil l i f r 1p o ii a ti ,i iI ,f 4 lrtth.i fitt itviri.
R OLIA 1'. ( 'I'l II.. in / ht uta' if 1 lt,11ijil ,iOtIi
1MABEL (OLCOHI), in chii" v.tI /, Itiiit 'p

T ki K CROP \I S%\ I- 11n I' C1ictinii I Ii a I I N I I" i 1,.\% 1 I\s.

I' II. 'i I li NI \. In lifi, wir

11. M RUSSELL, C. 11. VO'I.Nui W\I. P, P %HKIt It 11 MAUSII. M 3. HiGc,
F iED A. JOHNSTON. .1 i': I ; ll. #l ,IIII.,,,llhi tli ifloo i t.
I. C. CONDIT, ( iill ill,t i,, v', tfta niit
I'. T. COLE, fi'lllvt, io" i / in H il itr'i I ,I I i, i t
W. N. ODm. collaboraltI i, ti, v ..
THOS. H. JONES, ('ill/il Inn'tl'. 11 I"'i i, h.',.
mlxA ION r. VAN IHORLN. I'\ I I1\ 1 .l1111IN-,IN itf'il il'titi l.



United States D)eplrtmnent of Agriculture,

L. 0. HOWAI) Entom ologist and Chief of Bureau.

T EI I. tIK(; 1;1{ NA 1 I l. l F It-I(11,I.IF|.

]", ll,.l[[ + i l i da ( (I I ; 11 >

t'EF I I 11 1n 1M t II I I.> I I I .
IK<'l+:XT IN,.Illm' AN"1 MI+T|IK)I (F AI+I'+\(1K.

I)iiriI,, tlhe )Var 191I the laf ] ,,tli,.-' +*;dt +t /,l;,, ( 'l:tlii. ;i ttracte ft r usitlcr'ilihe !ti'nlnii+ I'r.,,n ilt. :+littnhlsi 'r in
im,,.t ,if ili. pulilic parkl in thi I)i+r(ri't ,f ('l'oiiiiihi:,. iitid :It \\%'+
(i''\'. I..; N,,i ,Ik. Va.: Wvst Iil, ._'n. N. (f'. MIiii, I, TI m.
t'liiit, n. MXi". : nirtini,,,,, i. Alhi.: : mIl O)rhl+, Vi. l In r.arli(T
vl,':ir- i( hnIs r:,\ .i_,.1 tirl~l- ,,f r+tiin:i in+ |H++tti<>s ,,f Sondi) (''sirolihi
1 In ',t.1,Ii,,,,', I '.', I hl t of -Ii cti i receive frn M r.
I,. II. Rewd. Fr'litilsih+. Ala+., wh,, wr+)tc that thlit+ ni"il. of th+, cater-
|ill:ir- were in the lll.[.I- an l that liin, i.'; !.irii" w".a out (f the
,l,,,'-l i,,,. A llt Iwonze v rii'iens ,+f +.tiiilt were iiijiire~l. ;il,,li ,,ii_' 8
,,r l, Mrieties. .Ait,,,i-, (hose inwt atta+ck++,l were Mis+i-sil))i. Mont
I'l.,n,.. F.\lln :it,'nr (', .,in,,lu,'ll. amd Itulia. A t',.n L'l'','l vnlrietie'-'
,',' oiewhiat tl,,, I,'i. ibit as a rIle wer -ca rcely tm 1 1l(. ol
i ii,-l\ ,i, iti, to rh,.ir thicker a; I til'li,. leaves. IIlil cater)ilhlr
,.,- IT]-erved 1t work oniv ait ,:li i Tie sani y ear tle I- "' i wIas
o \.,I -iiial*,. -i at) liaLt.ii( T \ at I':i +ii n ,i,,, ",. I.... hcv \r,,f A L .
(vit ii, .. and -,pairil,_i at New O:rleans. 1,a.. li Pv I'-If E. I I;
'itii-. .\ litii.,,,li oniv a f,\\ instatnvs ,,f enWt n injury are iii,.
ti,-t, are dimihtless ir.l represnita ives of mainy wI Ini Iwere not

A \11 -i i-I 2 '.I.-,. the writer oh-erIed conqiderahlI iij iir I \ thi*.
1:1ft.rlilIir i, m> ni ,,r f tlli ih.r-'r.,tive canna iL'I,," i-,1 on lthe 'r _',, ,l-
,of lilh L),,[.irliie ii of .A .ri,'iili'r. at W .,-hiim t'tii,, I) C .. ana fiIIr-

I- ,i H I '~I r .- l. I I


wards noted similar injury in sve,'ral ,-f tlie smaller public parks
of this city, -iowilng that the attack wa- not local. although more
severe on the d(lepartmient grounds, which had iattracted Ihe ibut-
terflies from afar, doubtlies- owing to tlie much?
larger parkage. Caterpillar-. kept iiiiunder observa-
tion had "spun up" for pipiiation 1v September
3, buit at this time t here were still many young
larva, present in garden f)lat,. and there was
evidence that they hi:ald I een at w\vrk at least a-
late as the middle of .i\i.t, while the age of the
larva indicated that the butterflic- lia1 appeared
to lay their e,,, late in Jily. but evidently not
t earlier. The cau:-e of tiil- i nva-ion was appar-
*en ent(1 that the snmiiier of 1905. was an unusually
hot one. Heat fa\vor- :in increase of iriects of
this type. Prevailing -,itlerly winiid-, however,
S were probably miore potent factors in causing
this inir, itin from the G;ilf re.,on northward,;
since the summer of 1906 was Atill warmer,
but with much
greater Ininiid-
ity, and under
Fie. 1.-The larger these con.di-
canna leaf -roller tions only one
(1'0ll1,,v sI, R CIIiUs) :
Full grown larva. pupa was found
About one-third en- during that en-
larged. (Ois g t in:f
tire year.
The attention of the writer was i
attracted to injury by this spe-
cies by the large irre.illar areas
which were cut away from the
iuargiii, of the canna leaves. It
was then noticed that the larva
(fig. 1) begins operations by cut-
thi a small, more or less ,hlt,nO
strip about one-half inch long
from the edge of a leaf and fold-
ing it neatly over on the lower sur-
face. (See fig. 2.) Within this
flap, which is nearly flat. the t-1" .-Cannn lpaf showing. -t left. injury
by~ an volr.*r lr:lV~ nf t~lw larger anna
la r v a liv e s c oe i e a le il fe e d in g 1 ,.Yif rn o ll e.r ,a ,.ii th:eI. ,
above and below its retreat. As
it increases its growth the larva make- large inci-ions in the leaf's
,,, with a ,,rce..ohllilgly large fHap (ig. 3). It i- not until the
larva is considerably larger that it form,. large tubular retreats. (See

I i,._ I.) Rare ly a larva I'li a portn1011 It' tilte lower s'ide of I Ir f
ob>. the iijl i .r silt'facei. Thi operaiitil oi na Y :iI'\ iiii li'h ,Ill,.nIi'vit cotn
ilitiins, in other localities-.
The folItI ii,. I I 'ear:, I'11)7. this specie-s tc.:Ile III hler the oI t ser vatioi
of .M r. II. M. It--,.1 L it O f)l.ilh l'l:1.. o!1 A wi-II' 21 At this til l
ill- fto nd all A1 .I,- iln -i.' Ii alllllldllltI ( ot! r'.llll.I. thi : lh':IVC tf wh,,'il
t ein'' l cuiti tilt to pi(ete. [.,iv |llhits wcrc 'strippledI of lraves downl
to tlte midrib.
A T1 i'H UP ,L IN \,I hI 1i 1)t llB Ir :l1- j"T .
I- l i-' -i,,i ai I it- ij i j i'i '- hiave beeli klnow n for iiliu yviin ',
YltI Iti1v Oiut' ('o4il pI el ensivi e article on it li.1. to oi I lii,> II.,sI ,
-pP1 iptjli in aily w ork ot _______;____11-tIit
CI'()IlOM Ili" ll I-Inltll it .' 1 ail-
hihlllh til'r ili- ttl- i I it- \ali--

NV;il i I ll! l
ill his Bhutt Irtl ic- 4,f the
EIi-l t 'iii l' iii tl I ii e I- and
Canaiiilda." T ol t, entire ;i P-
JI niiter of the innc-it 1i ; lli
Sl a :lirvali nnl t do the ;ifllt
is iindivatiI.A. ,,f its r pia
0ri,_.ili. 1and It 1, still .Oie
whant sretricted to the to d illi.
Tlihere is ii po-ibility. l>lw-l
?trl. that it may gr':uhially l
txt'lie i its prvet l l- i it 'I -
tinit if it cal i obtain a foot-

u t in g 'ili iilat -I wIi''' I
elllltiled ar gr'lil.
1. )urin 1911) at 111- 1p'1 :. :i-- snna t,if m dho~ til I ij.ry ;o. N itl ldoe
IIl'-1 ntil. 1). C.. the WIriter '1, ',f tl< I :,, ,' r ,,, i

ri' tl B t leaves of a litlt. -Oiii. ..c ,-t.i in.i.. i ltsj fro' HitdI I i'ivcc. Nott ii-
her I ; ind .in er. *NoV lili "r :. ifi'r i f'l t- of F.. 1 live i -'i.t.*
tIh'Il lr'a. and p2 .:i' woUpe were found. This-7 niateritil \vwl
I,!.c'.1 under l.w line conduit iomis \i tho-se 1ilnder which it wouId
It:iv%' renit iiilitsi whi'i, fiiiiiI iil i ,in the'open biMt n141te had ti'-
I'mi'iii 1,, hl1 inil'1't1,- ilu ) to ember -1 'ii, il,_ qit ie ('o l NIIch l v%
that Iii-. miuiiil. \0i11,1 wliwi caLWirefully I cinTihl. wotlib iatuuraillv
ha ie died tiin~i i" the c'ircins-ciiwl es. In the pa aik-l, .wiheni theci (.illi
were [It. til, ilnm1altu1re -i.A.,- ileave- Wel't' I .fl fi qi 0NW tW
l lil 7. 54, 1ilr 1 .: v I' s I \'t., 1,1 5, l.7 tw last frsn 0 a- I a sa
,I itn~ i t r .l" 7. t lls
V 4. II. pp~ 175si-1757. 1SSla

I ill, 1 \l:,,l I: 4 \" N II % F.KA|V- I[:1 |..KU.


and a:l't il 'dr;]- presumably taken awV.av whlire they would not have
had an opportunity to transform any more than they would have had
iindtr the conditions previously inentioned. Several days later.
N vemiber 27, only one living puipa was found, and this evidenced
very little liLelihood of ever recovering from tlec cold. ,hiowing con-
clusively that the species, unless it p:wienl, to fiiid l( m inusually
good place for hibernation, is "killed out" lv the severe frosts of
practically every winter. Tl' conditions may even exist farther
-olthwlard tl.han the
I)itri' t (if Colunibia.
w\lcrvcv r -4-v\' fl'o'|s

ar en I.ii. t r"l.'llllVE
D u(IE '1111 IPT IV.

I,, oi,, ,.fls. The
iarenl t tll-; aildgllbar
lea f-rillr i- l, butterfly'
bulit .,i n ,i i t' the sub-
family lv aufn hiinc1 of
tI,, taiilyI IespleridaL.,
oar so i l, It i.c onet
o iof tlie larger skill)per,,.
wioth I wiinh expansoue of
bet wen Iand 1}i iichie-.
The Ise:,l p- lery broad.
Iet I sIor.z1e eves. and the
body is thilck1 aid leavy.
Tlet, ll)lei surface of
tle lc.wil. thorax, faind a
epor' iom of tlie abdomen
i- tlickl\ covered with
l ,u,. olive hairs. The
\vl~,,:aedark brown.
Fia. 4.-Section of canna leaf. showing edge rolled over
and fastened hy larva of the larger canna le. f-r,,l1,.r with white semitrans-
Folded section taken the last of October, oi' jin-_- parent spots. arranged
larger size than in smmn er. (Original.) in tigure (;, a, which
also shows the location of the masse- (if yt'llo% i-li ha ir-, ti1e contotir
of the wings, and the structure of tihe antennz,. The lower s,,rface
of the wing, is much paler brown;. ,ir fuilvowr:, and Imire nearly
uniform in color. The head and body are still paler .ellowish.
The adult is sometimes called the Brazilian kiipper.
The ( ti,/ is illustrated by Scudder. It i- suiilheini lheic~llal in outline,
as viewed from the side. and has a ,.n, vx hba,. \%IIih( the -iirface is
very iii,.,_, hi ,r yreticulated. ill most cI:re., I ,t t lal,_,,ii l]'. TI'lle In',atle.At

I II 1 I . I :1 l:, I I I : I:.

Illill l r 1- I _':, ll .; I I- L ,l!- 1 b!lt I.q I 1HIt F" .....- IIa \tt f I O l I t114tl >1" !I ll
l1iv il I i t.r, and thO w lo r tl(e> nut aI', 11 t1 ha xt I ,I 1.-i- 1d
"/', /i,, *.'f. or cattrliihtr, i' quite rlnsarkabibh bvtvu ulie uf its .itii-
lri .|iiv i r iii ^i.,v Its -,iil".,<,i ih itht u it huiir. iim l th e ._-', ,,, i.,l r il(r IH
ruitlrrill i i l> _. i, .'. w ith Ilrk ,.i I Iu' 1 : 1 1 i., iitular I I I. -tI. hi ]
i ii,,,ki.i l Iv a fro1 it 1 1"1, i ii; \\ It li -1 p +i. I i tio racic -' 1 i 1 1 i -
I 11 'r' lii'li teia- ________________\__liltar___--_1_1o ______-___ 1:__ r___ I,_ !I
it'" ,_l'v t.n-] ietH'1 <-
ti' Vt'4111 ,l I'11, 1101 ----------

t 4 '111ll' 1 dll l all

I ilrei w the

b o x' :I- I III I''l l ,l''
II-V tII I t I N I ,,f

l~lt'lV11l- -% -htiii l]t'-
I, I I, '

I llu- r.1 r i ll-ll r l lil_ -
Inre- I 1 .lItl Ii.
'['hIt. l, I ,l of thIt

n ,ii i. -'- e tllb t it
re dIti- .2 1u 11 '.~
il T'i ', I ,/ pf ttI
fu ll. ,.xtcit, l d it

n't ;'I, A 6 i Ice+

th la I va. It
(i. ,f iniir p le

,,f~ Ih -i .' ol u-'|rnnn

.-m i ii In li.i. v 0i.
ii. ila l1,' 1ad is
t ~i lg, l miit a

ll'l + i '.. 1.111 ~ aI the U1-.t1t l'd larva.

tIiT'nsiBI'T N.
S iNi.lh1 states that the li, 1 .11'. OI, this speies is from (eni-
tril] America to the nortl 0rn !i rt oIf the I- i I Ih AInI(ri ci CIII iI1 1.


a] il,,ighli it inhabits also the extreme Soutitherni State.- of our Union.
So far as can be learned it is known to exist permanently only in
the Gulf Statet. South Carolina. and Porto Rico in our domains. It
also inhabits Cuba and Jainaica, liowever, andi in South America
occurs as far south as Argentina, where it was years ago reported to
lIe common by Burmeister.
In an earlier article on this species (loc. cit.), SeCidder's dictum was
followed and the mentioned occurrence of this -pecies at Bay Ridge,
T.,niig Island. and at New York City were considered as merely tran-
sitory. It is evident that such infestations mi'v occur in the North
whenever conditions favor the iiorthwiliard flighli of tlie butterfly.
These conditions have been mentioned. It i1 hardly probable that
the insect successfully overwinteis in the District of Columbia or



Fwt. 6.- The larger cinnAi lteaf-roller ( tiii j,,,di fi tlli ti : u. Ibiii'\ : b. pilrlly growii
larva ; cv, pupl front view ; d, Imp| t. i-ul i, . I ii l.ii- i (ri:'in:i I
northward, but that it flies in i iiorliherlv direct ion whenever there
are favorable conditions for such i flight. Careful search was made
by the writer in the parks of New Yorkl City in September and Octo-
ber of 1911, as also throughout Long Isl:iud to lliverlieid. blit (here
was no evidence whatever of tlhe presence of this species in the State
of New York that year.

In the records of the Bureau of Entomology we iihave accounts of
injuries and of other observations nit tli-i -pecie:. :is follows: June 7.
1 --. we received from Dr. J. II. Melliclianip. BIluffton, S. C.. a report
that the larva had utterly destroyed .,onic lIixiiiaint plants of ('anna
I *,,cbdl in his garden. August 9.L ISsT. we received from Mr. A. L.
T. 'wIM-cid. Bay R Tii1.e. L.on, I-I:ild. Ivieort tli:it tihe .i))ecie- did muclih

'IIII-. l.\l:,.l ;I: V A X A I I I li ,l.l II7.

; iniiig t ti) Irenclh t nii n s ta A I I l 'mi f( S u, iid ,,. In our li':-
ir1g ',1 :.. tlh nHuttertlith hatched un+ IH 1 ndil A\,-i,,-I (.
lTIl- c'turpill.'- appear to .il .i n-ly plants f l L' IM ., i '.
Ili it.ese ae ohtialh, aid soiet ines they are 1 tItdaIItti t,
,Io inniirl, ,;ii,.i.,_,'r, atl tinmes utterly des+troy i,,+ lux~uriant plahnts. DI)
II. d. I)uil, of the IBIreanu of EFntomology, iIeIntiInI- I Iasc in whiNlI
tli I v ,' we(re eatiII the l aveIN o)f cIania in the iio d I I f a t (tl
nt a iil Il. I I., s iidA''lIera lvy iIjIii L' i Iw;n' ti i P f the pl ah t- r
I IF I II I )U I AN' ) 11 1I I',

g"' ;ar'e laid -ingly and sepAilrAtely. -msoiiliet in .i L f fri'i
tiv hI -ivlen, (in tli e miter surface f leave. Accord ,ii, to is
I ieleti K ii.iL' i' li l i hatTch in Tvxi in -ix day'. while in Florid,
i'e' iialling to UVittfell. tie ilxI lial uh in l'im dai\ -
Oni litriling, the cater-pillar. a- is oimonil with nialy speie. de-
io lr, i portion oif its e,,_liell. Nhi'lereiii],ip a lrli ft.ilii,., L -lligtly wi :1
leaf, it fold- the hilr over and conllfillne it ill place with ;i few stitches
(if silk. rlirui,. its retreat as it develops. From the liiulhir cai e
thlis fomlied it feeds :ilinig the edge- and retreats within when li-
turied. It is cailefll to 1jeti all exretla alnd ext iie, lit in spite of
its clen'nlines'., the aiterpilliar is frequently attacked )yv di-.ea-e.
DIr. Dyvilr hasasceriinedil that there are customarily five -I;.:-
of tiii-' lirVi. Tit lair\ a;i. when full .irrim,,l. develops to a p)ulpa in its
ristinli lith. held by a t i:11\ lir'-i 0 loop )and a land of ilk for thlie
cren'ister. The creimasterial haind is ;t1l,'lie', at one end to
the leaf; at thlie oilier to the transverse thread." This accurately de-
scriI)e, I lie pupal case as observed in specimens received at thlis office.
.kccrl-Iiini to (1data a:cciImuIlited by Sv 5.1dder. the uiltterfly is o thI<
wing illn southern I.'lrid;i in Maiy, and from iL.- laid(l in the miiddle,
E-f thle imonith the butterflies reappear in the first half of June. In
Soiti (A:Aiilimi thin season i k a little later, andrl there miatr cater-
pillar- hli:ie bileii olservted before thle midiIlhle of June ianid fre-h bnlt-
iertlie- from the 12tl, of the month to the end. *Riilder co=Phliv-
that i liAit' lre two 'eiin'i.ilions 1a'l i 'W' midiisummerl !,i.'i ,, by
recent e\l)erielice there are likely to b1e two more lo _ii.itions I !ef're
o,)il weather, but wve d(1o not know how thle winter is passed. The
mothslh front one of these pir'leneratiIlls appear inl the latter part of
Sep't en ilr.
O(f tine iuittirily Anuiml, has stated that lie was attriacted to anll ili-
"iluiil, which hlie .:ipiiil',,l near, New York ('itv, -by the peciiliaritv
,if it- movements on the win..:; they were erv iindl:itimii., like tlho-,
1-f gnats as tlh"y rose andi fell almost irpeaiii,.iil.iil- anid in a veri
e;i-y manner. Wiln fIeld adds that one ,"f thlie I.i'.riir, timeli for
I Pnyv,'hl. ol)I ill, pp 32 :=i 15.52.
Sl-==ril n i.- ill l T l p .+ I, .7.. 1S iS.


flight of tlhe butterfly ii fair weather i-, after Iiiiiluwln. Miss Helen
Ki ., tltd-ciibe- it-, motion as very rapid."
The iticl6(ill a.i-, Il %lthtlier dark varietie-, if ramii are more
.i',T, ic.1 li\ tli.i specie- t(lii a- green oiie- remain. for further in-
ve.,tigation. In the Di-trict of Coliumbia thlie green-foliage varieties
which li le come iinller the writer's ub-erv'iations are considerably
m___________________ iore affected than thie darkerones.
W lWhen. however, the insect become,
very abundant it attacks all va-
rietie-. One correspondent, men-
Btioned on tlIe introductory page.
has stated of the occurrence of
thi-, .pecie- in the Gulf region that
^ Bit affect. more particularly. the
d:rk :varieties. A leaf showing
-everc iijirYv by this species of
Ii le;if-roller i-, ill,-trated in figiiet
7 ianil ;i bled of cannas showing
-iniilhnr injir'v i-. -liown in fifntre S.

Ii spli', if Yena, of experience
with this, specie,. neither Mr. Ru--
V H .,-ellor tile writer lha been able
m to, ol)er\e any form of disease.
l but Mr. E. 0. Smr'th. when work-
in' inder the writer's direction at
1Di)imimdl Va.. observed
w i) larva, killed by disease Octo-
ier 'S. 1909.
_______________ During October. 1907, Mr. Rus-
Fro. 7.--, ,n.. .1.,t -...,,ir,-- .i,.i,.,,:rI. .-ell found at O rlando. Fla.. quite
injury I.r,:.. .- "i,. iir,,,.r ,.n i minibhter of egg parasites. Octo-
leaqf-i ,,11, r ,i i r'L;' ,] l
leaf-ii. r iiii iIi h,. 1-2 hei foliind a canna leaf on
which we\r .1,'. egg- of this sperie.-. :, unhatched. and l2 hatched larvwe;
.)I; of tlh-e Vgg-,' lixai irien out iaira.-ites througli :i very minute hole
in the -i'l. (O)ctobhr 16. 4 nilinhtched egg, were placed in one vial
and 11'. ii notlier vial. Novenih'r 1. while away, thle egg- hatched
(lut 20 minute paIrsite's.' P< /i,'h rilitiii, i;nitnum Riley. as identified
1-y Mr. A. A. (,iri;nlt. In the other vial one larva hatched: the rest
g:.;ive foilthli many 1inil para-ite- o(if (lie -;ae -pecie- and ione large
inidei flied pIariasitc.. TlIeve ibservation--. although few in number,
shIow ;ta l,.Li, p r nt:-e llf ( -i' p:inal-iti-Il.

' Chittn. No. 299q.

2Chittn. No. 299)).

theII I)] l )l I .:I l l| l
"I'I'l rolhvd-ti\ 'r mllr~ihi"II of tl, hl iiv- i at trpil Inr fan sitafte'r 11 Ii i I n very ~i tl iv"dtrclted witl l tl4 1 h la rv
;.r,, -lill >,,i ,,n_' ( 'r., \\._, "2.) l :i ,ir l~I ..,: Ih Ih. w ill ilj)p('!ir stixil thi,
r,,lh,,l-,Iii hiravc will IM, m ori, lriniin)iti(iil H'h,-. Komcttii,,,, i (Irlic
ti, ,li,,,. tit* I)1-st. I I,, lark e\xcT'i'nit w' ill l4 fo~jii IlMIhW the,
in f.-l,.l Ih. la ninl will al-o -crvi1 to i14lii l<' tih' lji''.i c, of thn'
l.,1 :,. alldl :i li,!i 4,1ilil._" 111 o1f tlltt Iiie ',ll,,il-od 'r Ih'eav- tle ic l elHct
ill uiuunllv I)e found t iherin. torniu (of it" fox'tir l)re-,'Jw,. All
,,r tllie t' .l-, toxi.etlir wil li e ( I 1 ,ij, of tlhe iin ,ect itslf, pier lit
ii. ,outrol by halnd meitodsl. II i -tirkik : w s -' si',ce- fll "y jiri'-

'iill'rri nnftl fi'ins. (r ll,,)tt-hctil. n a)tllwwn In) ( "rrarfmnt. Wnfl)lnt nn~l I>. t'. 3 I.~ 1 4. if ~ I ol I-t I~- Ih~~ I Iu I ~r~ 0 I I' I
Sii d onv t I ,th e l1 irte t ,,f Ar. iliiioi, i,1 1.( -. In -|li, .ul/ii-, tI
h,:ivt,- ill" l_,hii\',1 lhiand I l thi, f,,ii,,, r 1 ali l i tle ihisect- w er'I .
vert .illii11l.iit ; i tihe latter they wIere o w 1ll controlled v hi nd
ii'tlliOds as siarcel to Ix" noticed on the lmayiv c: i!1a plants w hiich

T in' usilal 1 ii-ii 1-. s;uc i a- I ,ai- ,i,.,i. : iilan arenate ,, lei '.
ithi or without Nordeaux Inixture. ncan Ix' iised witlhout ainv reatl
tliii tlr of i ofi.' itii,-,. "l'i se i ot alwats d,- hhesira la,'hi, ,i- '!
tihe ]'-,, *ii,, of, liihli ,lc li are :iIh,,we,, to roatii inito yardils which

'H.III IkI I I.AI ;1 'A N NA I.KAF-- Wi 1.1 I ,

- a

Ti i' I..% A 1tI-.*i ( .%N N.A I. -'. -HIOLLEH.

are not protected by ijg;ite.s: ilt ti i- 1- iI the ca-e with our public
parlk-. where the cannas g,-ro\ ill great profu-ion and aire sufficiently
)proitOc'I by frames miid \lltert wi;lrnllg i-. dlway. -iven by the offi-.
cers in -li;airt, to keep ;l\ilV froin tihe' gin) iniig pl;init-. Tliese arsen-
icals iliVa be used with a l!p;<-i 1, l- o it other hiin l s Vriiyer in jLust about
thle Saie lliillne- as ;dvi-,,dI Lgain. I st tiL ( Color'ido potato beetle in
Biireall of Entoillog C'i (ir l;r ll' R. i copy of which i iimy lbe obtained
oni application to thle Depil'tiie ltl of Agricultulre.
It (cit) niot be too stonill yv eniiliul.ized tli:imt whiatei\er metliod is
used, wliether spraying or ]i;aid-piiclking, sliolild ei, iti:urtiirled eair]v
in thie seasoii to preveni t *-rioii-' iiljmilv liitcr oili.

Secr letay

(4 I ,,'; ,// i,, .
l .,, ,U, I,, ..29. 1911.

THIS PBLICt'ATION may be pro-
-cured from the Superintendent of
Documents, Government Printing Office
Wwi-birihlion', LI. ('., at 5 cents per copy



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