Official Organ of the Florida Entomological Society
VOL. XXX OCTOBER, 1947 No. 3
THE WORKS OF J. R. WATSON ON THYSANOPTERA
STANLEY F. BAILEY
University of California
There are very few specialists on Thysanoptera in the world
and these individuals have, over a period of years, assembled
their own collections and libraries. From the widely-scattered
literature and their own studies, these workers have compiled
indices and keys to this group of small insects which the ma-
jority of entomologists cannot identify. Such helpful data in the
main has never been published. Professor Watson's "Synopsis
and Catalog of the Thysanoptera of North America" published
in 1923, was one of the few attempts in this direction. In 1929
when the writer took up the study of thrips he was confronted
with this problem -the lack of published reviews and check
lists. Therefore, as a memorial to Professor Watson's work
and in the spirit in which he was ever helpful to beginning
students of thrips, I am presenting a list of his writings on
Thysanoptera. Also, I am listing the species of thrips he de-
scribed with their synonymy as far as it is known to me.
The following seventy publications, chiefly on the taxonomy
and biology of thrips, were published by Professor Watson over
a period of thirty-three years.
1913. Apr.--New Thysanoptera from Florida. Ent. News 24(4): 145-148,
plate VI, figs. 1-7.
1913. Oct.-An unusual type of injury due to a thrips. Jour. Econ. Ent.
6(5): 413-414, plate II.
1915. Feb.-New Thysanoptera from Florida. Ent. News 26(2): 49-52,
plate II, figs. 1-9.
1916. Mar.-New Thysanoptera from Florida. III. Ent. News 27: 126-
133, plates V, VI.
18 THE FLORIDA ENTOMOLOGIST
VOL. XXX OCTOBER, 1947 No. 3
THE FLORIDA ENTOMOLOGICAL SOCIETY
OFFICERS FOR 1946-47
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VOL. XXX-No. 3 19
1918. Mar.-June.-Thysanoptera of Florida. Fla. Buggist I, 4, and II,
1 combined, pp. 53-55, 65-77. (Printed July 1918.)
1918. Dec.-New Thysanoptera from Florida. IV.. Fla. Buggist, 2(3):
97-102. (Printed Feb. 1919.)
1919. Mar.-Watson, 3. R. and Evelyn Osborn. Additions to the Thysanop-
tera of Florida. V. Fla. Buggist 2(4): 116-119, 120. (Printed
1919. June.-Additions to the Thysanoptera of Florida. V. Fla. Buggist
1919. Sept.-The native host-plant of the Camphor Thrips. Fla. Buggist,
3(2): 25-27. (Printed in Nov., 1919.)
1919. Sept.-A new Physothrips from Oregon. Fla. Buggist, 3(2):32.
(Printed Nov., 1919.)
1920. Mar.-Key to No. American species of Physothrips. Fla. Buggist
3(4): 71. (Printed Apr., 1920.)
1920. July.-An apparently new Haplothrips from Cuba. Fla. Ent. 4(1):
1920. July & Sept.-New Thysanoptera from Florida. VII. Florida Ent.
4 (1 & 2) : 13, 18-23, 27-30.
1920. Sept.-The toilet of thrips. Fla. Ent. 4(2): 25.
1921. Jan.-New Thysanoptera from Florida. VIII. Fla. Ent. 4(3):
1921. June-Oct.-New Thysanoptera from New York. Bull. Brook. Ent.
Soc. 16: 78-86.
1922. Apr.-New Thrips from Florida. IX. Fla. Ent. 5(4): 65-66.
1922. Apr.-Another new thrips from cocoanuts from Cuba. Fla. Ent.
5(4) : 66-67.
1922. June.-The flower thrips. Univ. of Fla., Agric. Exp. Sta., Bul.
1922. June.-Another camphor thrips. Fla. Ent. 6(1): 6-7.
1922. Sept.-Additions to the Thysanoptera of Florida. X. Fla. Ent.
1922. Sept.-The greenhouse thrips out-of-doors in Northeastern Georgia.
Fla. Ent. 6(2) : 23.
1922. Dec.-On a collection of Thysanoptera from Rabun County, Georgia.
Fla. Ent. 6(3) : 34-39, 47-48.
1922. Dec.-A new thrips from citrus in Alabama. Fla. Ent. 6(3) : 45.
1922. -Recent experiments with trips on citrus. Proc. Fla. State
Hort. Soc. 35: 52-55.
1923. Apr.-An addition to the Thysanoptera of Florida. XI. Fla. Ent.
6(4) : 58.
1923. July.-The proper name and distribution of the Florida Flower
thrips. Fla. Ent. 7(1): 9-11.
1923. Dec.-Synopsis and Catalog of the Thysanoptera of North America.
Univ. of Fla., Agric. Exp. Sta., Bul. 168, pp. 1-100.
THE FLORIDA ENTOMOLOGIST
1923-24. -Adiciones a los Thysanoptera de Cuba. Mem. Soc. Cubana
Hist. Nat. "Felipe Poey". 6(1-2): 46-47.
1924. Apr.-Watson, J. R. and T. H. Hubbell. On a collection of Thysa-
noptera from Honduras. Fla. Ent. 7(4): 60-62.
1924. Sept.-Thysanoptera of North America. Additions and a correction.
Fla. Ent. 8(2) : 29-30.
1924. Nov.-A new Bregmatothrips (Thysanoptera) from England and
Holland. Ent. Mo. Mag., 60: 253-254.
1924. Dec.-Additions to Thysanoptera of Florida. XII. Fla. Ent. 8(3-4):
1925. Aug. & Oct.-A new species of Symphyothrips (Thysanoptera) from
Argentina. Fla. Ent. 9(2&3): 29-30, 45.
1925. Oct.-The camphor thrips in Formosa. Fla. Ent. 9(3):39.
1926. Feb.-Two new Thysanoptera from Cuba. Fla. Ent. 9(4): 53-55.
1926. Feb.-New Thysanoptera from Florida. XIII. Fla. Ent. 9(4) :58-60.
1926. Apr.-New Thysanoptera from Florida. XIII; cont'd. Fla. Ent.
10 (1): 9-12.
1926. June.-Citrus insects and their control. Florida Flower thrips.
Univ. of Fla., Agric. Exp. Sta., Bul. 183: 382-387.
1926. July.-Ecological and geographical distribution of Thysanoptera in
Florida. Fla. Ent. 10(2): 21-24, 27.
1926. July.-A new Haplothrips from Abyssinia. Fla. Ent. Vol. 10(2):
1927. Jan.-A new Liothrips from Santo Domingo. Fla. Ent. 10(4): 59-60.
1927. Jan.-New Thysanoptera from Florida. XIV. Fla. Ent. 10(4) : 60-62.
1927. July.-New Thysanoptera from Florida, cont'd. Fla. Ent. 11(2) : 26.
1927. July.-The Thysanopteron fauna of the Indian pipe. Fla. Ent. 11(2):
1927. Nov.-The English orchid thrips native to Florida. Additions to
the Thysanoptera of Florida. XVI. Fla. Ent. 11(3): 41-42.
1927. Nov.-The Thysanoptera fauna of the Indian pipe, cont'd. Fla.
Ent. 11(3) : 42-44.
1931. Apr.-A new Haplothrips from Panama. Fla. Ent. 15(1): 11-12.
1931. Nov.-Two new Thysanoptera from Colorado. Fla. Ent. 15(3):
1931. Dec.-A collection of Thysanoptera from western Oklahoma. Pub.
Univ. Okla. Vol. 3, no. 4, Biol. Survey, pages 339-345, 7 figs.
1933. Jan.-Some Thysanoptera of the Great Smoky Mountains. Fla. Ent.
16 (4) : 61-62.
1933. Mar. & Aug.-Two new species of Plectrothrips. Fla. Ent.
17(1&2) : 16-18, 33-34, figs. 1-4.
1933. Oct. & Dec.-Two new species of Oedaleothrips with notes on other
species. Fla. Ent. 17 (3&4): 48-50, and 63-64.
1934. Nov.-Thysanoptera of the Geenton. Fla. Ent. 18(3): 44-46.
1935. Mar.-Thysanoptera of the Geenton, cont'd. Fla. Ent. 18(4) : 55-62.
VOL. XXX-No. 3 21
1937. July.-A sericothrips with an unusual habitat. Fla. Ent. 20(1) : 3-4.
1937. July.-A new Trichothrips (Haplothrips) from Alabama. Fla. Ent.
20(1) : 8-9.
1937. July.-Thysanoptera of the Geenton, cont'd. Fla. Ent. 20(1): 12-15,
1937. Oct.-Thysanoptera of the Geenton, cont'd. Fla. Ent. 20(2): 17-21,
1938. Mar.-A new Liothrips from Spanish moss. Fla. Ent. 21(1): 14-15.
1938. July.-Watson, J. R. and J. R. Preer. A new Frankliniella (Thysa-
noptera) from Florida. Fla. Ent. 21(2): 17-19, 2 figs.
1939. Feb.-Watson, J. R. and J. R. Preer. Two new Thysanoptera from
Florida. Fla. Ent. 22(1): 1-5, 2 figs.
1939. Apr.-Wilson, J. W. and J. R. Watson. Two new Thysanoptera
from Mexico. Fla. Ent. 22(2): 17-20, 3 figs.
1941. May.-Notes on Other Thrips found on Gladiolus. Univ. Fla., Agric.
Exp. Sta. Bul. 357: 22-23.
1942. Jan.-A new Stephanothrips from Texas. Fla. Ent. 24(4) :65-66.
1942. May.-Watson, J. R. and A. N. Tissot. Insects and other pests of
Florida vegetables. Univ. Fla., Agric. Exp. Sta. Bul. 370: 78-80,
94-95, 105-106. (This bulletin is a revision of bulletins 134, 151,
and 232 successively, each with same title and written by J. R.
1942. June.-A new Frankliniella from Florida (Thysanoptera). Fla.
Ent. 25(2): 17-18, 2 figs.
1942. Oct.-Two new Frankliniellas from Mexico (Thysanoptera). Fla.
Ent. 25(3): 43-46.
1945. Nov.-The ecological and geographical distribution of the Thysanop-
tera of the Geenton. Fla. Ent. 28(2): 33-36.
1946. Feb.-Distributional notes on two species of Thysanoptera. Fla.
Ent. 28(3) : 53.
In addition to the above publications on thrips, as the head
of the department of entomology, he reported on crop pests in
the annual reports of the University of Florida, Agricultural
Experiment Station. The following annual reports contained
notes on injurious thrips:
1913, pp. LXI-LXIII. 1926, pp. 44R-45R.
1914, pp. LXV, LXVII- 1927, p. 46R.
LXIX, 4 figs. 1928, p. 48R.
1916, pp. LXIV-LXXII. 1929, pp. 53-54.
1917, p. 64R. 1930, p. 67.
1919, pp. 54R-55R. 1931, p. 70.
1920, p. 20R. 1932, p. 69.
1921, pp. 31R-32R. 1933, p. 75.
1923, pp. 103R-105R. 1934, pp. 51-55.
1924, pp. 76R-77R. 1935, pp. 64, 67-68.
THE FLORIDA ENTOMOLOGIST
1936, pp. 64, 67-68. 1941, pp. 71-73.
1937, pp. 70, 73. 1942, pp. 74-75.
1938, pp. 83, 85. 1943, p. 64.
1939, pp. 93-94, 96. 1944, p. 59.
1940, pp. 72-74. 1945, p. 65.
SPECIES OF THRIPS DESCRIBED
J. R. WATSON
Aeolothrips floridensis Wats., 1916
Allothrips nubillicauda Wats., 1935
Anaphothrips (Proscirtothrips) monotropae Wats., 1927
Anthothrips dozieri Wats., 1918 = Haplothrips gowdeyi (Franklin), 1908
Anthothrips floridensis Wats., 1916 = Haplothrips graminis Hood, 1912
Arpediothrips mexicanus Wats., 1939
Bregmatothrips iridis Wats., 1924
Cephalothrips elongata Wats., 1919 = Watsoniella
Cephalothrips merrilli Wats., 1926
Chirothripoides minutus Wats., 1927 = Preeriella
Chirothrips floridensis Wats., 1920 = C. mexicanus D. L. Cwfd., 1909
Chirothrips floridensis var. catchingsi Wats., 1923 = C. mexicanus D. L.
Chirothrips obesus var. hubbelli Wats., 1926 = C. crassus Hinds, 1903
Cryptothrips adirondacks Wats., 1921 = Leptothrips mali (Fitch), 1856
Cryptothrips citri Wats., 1918 = Haplothrips
Cryptothrips floridensis Wats., 1913 = Liothrips
Cryptothrips pini Wats., 1915 = Leptothrips mali (Fitch), 1856
Dictyothrips floridensis Wats., 1919 = Echinothrips americanus Morgan,
Dolichothrips Wats., 1920 (genotype: Cephalothrips elongata Wats., 1919)
Erythrothrips durango Wats., 1923
Eurythrips longilabris Wats., 1920
Eurythrips robustisetis Wats., and Preer, 1939
Euthrips grandioculus Wats., 1920 = Anaphothrips
Euthrips tritici var. projects Wats., 1915 = Frankliniella cephalica (D.
L. Cwfd.), 1910
Frankliniella bratleyi Wats., 1942
Frankliniella cephalica var. bruneri Wats., 1926
Frankliniella cephalica var. masoni Wats., 1919
Frankliniella deserti-leonidum Wats., 1942
Frankliniella floridana Wats., 1918 = Mycterothrips
Frankliniella pontederiae Wats., and Preer, 1938
Frankliniella tolucensis Wats., 1942
Gastrothrips (?) pallidus Wats., 1935
Glyptothrips barythripoides Wats., 1935
Glyptothrips batesi Wats., 1935 = Eurythrips
Glyptothrips eddeyi Wats., 1935
VOL. XXX-No. 3 23
Glyptothrips reticulatus Wats., 1934 = Eurythrips
Haplothrips abyssianae Wats., 1926
Haplothrips angustipennis Wats., 1922
Haplothrips cassiae Wats., 1920 = Leptothrips mall (Fitch), 1856
Haplothrips funki Wats., 1920
Haplothrips gracilis Wats., 1920
Haplothrips harnedi Wats., = Cephalothrips errans Moulton, 1911
Haplothrips merrilli Wats., 1920 = Watsoniella
Haplotkrips oneco Wats., 1923 = Cephalothrips errans Moulton, 1911
Haplothrips orlando Wats., and Osb., 1919 = Treherniella amplipennis
Haplothrips panamaensis Wats., 1931
Haplothrips querci Wats., 1920 = H. graminis Hood, 1912
Haplothrips rabuni Wats., 1922 = H. graminis Hood, 1912
Heterothrips aesculi Wats., 1915
Heterothrips auranticornis Wats., 1922
Heterothrips cuernavacae Wats., 1939
Heterothrips mexicanus Wats., 1923
Heterothrips tiliae Wats., 1923
Hindsiana catchingsi Wats., 1923
Hindsiana cocois Wats., 1922 = Haplothrips melaleucus (Bagn), 1911
Hindsiana pini Wats., 1922
Hoplandrothrips quercuspumilae Wats., 1920
Hoplothrips (Trichothrips) Wilsoni Wats., 1937
Idolothrips fuscus Wats., 1921 = Megathrips spinosus (Hood), 1908
Karnyia Wats., 1922 = Karnyothrips Wats., 1923
Karnyia weigeli Wats., 1922 = Cephalothrips errans Moulton, 1911
Karnyothrips weigeli (Wats.), 1922 = Cephalothrips errans Moulton, 1911
Leptothrips aspersus macro-ocellatus Wats., 1913 = Leptothrips mali
Limocercyothrips Wats.,* 1926 = Bregmatothrips Hood, 1912
Limocercyothrips bicolor Wats.,* 1926 = Bregmatothrips gracilis Hd. and
Liothrips bibbyi Wats., 1923
Liothrips caryae floridensis Wats., 1916
Liothrips caryae dendropogonis Wats., 1938
Liothrips flavoantennis Wats., 1916 = L. citricornis (Hood), 1908
Liothrips muscorum Wats., 1926
Liothrips perseae Wats., 1923
Liothrips seini Wats., 1927
Megalomerothrips Wats.,* 1918 = Diceratothrips Bagn., 1908
Megalomerothrips eupatorii Wats.,* 1918 = Diceratothrips hartii Hood, 1912
Merothrips floridensis Wats., 1927
Myrmecothrips Wats., 1920 = Oedaleothrips Hood, 1916
Myrmecothrips querci Wats., 1920 = Oedaleothrips
Neoeurhynchothrips Wats., 1923 = Trichothrips
Neoeurhynchothrips cubensis Wats., 1923 = Trichothrips
This synonymy was pointed out to the writer by J. C. Crawford in a
letter of March 27, 1940, who in turn was informed by J. R. Preer, an
associate of Professor Watson.
THE FLORIDA ENTOMOLOGIST
Oedaleothrips andrei Wats., 1933 Bolothrips bicolor (Heeger), 1852
Oedaleothrips hubbelli Wats., 1931
Oedaleothrips walteri Wats., 1933
Phloeothrips floridensis Wats., 1913 = Hoplandrothrips jennei (Jones),
Physothrips black Wats., 1919
Plectrothrips brunneri Wats., 1933 = Hoplothrips
Plectrothrips montanus Wats., 1933
Polyporothrips Wats., 1927
Polyporothrips longipilosus Wats., 1927
Prosopothrips brunneus Wats., 1931
Scirtothrips owreyi Wats., 1924 = Frankliniella fusca (Hinds), 1903
Sedulothrips hubbelli Wats., 1923
Sericothrips langei var. tissoti Wats., 1937
Sophiothrips bicolor Wats. and Preer, 1939
Stephanothrips Whitcombi Wats., 1942
Symphyothrips reticulatus Wats., 1925
Thripscrenatus Wats., 1922
Thrips flavidauda Wats., 1927
Trachythrips watsoni Hood, var. fairchildi Wats., 1937
Treherniella Wats., 1923 (genotype: Haplothrips orlando Wats. and Osb.,
Treherniella orlando (Wats. and Osb.), 1919 = T. amplipennis (Morgan),
Trichothrips asymetricus Wats., 1937
Trichothrips brevitubus Wats., 1918 = Barythrips
Trichothrips bratleyi Wats., 1935
Trichothrips drakei Wats., 1921- = Hoplothrips flavipes (Bagn.), 1910
Trichothrips hoerneri Wats., 1931
Trichothrips salicis Wats., 1921 = Cryptothrips rectangularis Hood, 1908
Zygothrips floridensis Wats., 1922
Zygothrips wyomingensis Wats., 1923 = Haplothrips leucanthemi
The Watson thrips collection, including the types, and library
are deposited in the Department of Entomology, Florida Agri-
cultural Experiment Station at the University of Florida, Gaines-
With this number the FLORIDA ENTOMOLOGIST comes up to
date. Volume XXX is the 1947 volume and we hope to get
Number 4 out and bring the index up to date before the end of
the year. We also hope to publish our quarterly at regular
intervals from now on. FRIENDS and MEMBERS TAKE
NOTICE THAT WILL TAKE MANUSCRIPTS!
VOL. XXX-No. 3
With this number we have exhausted our backlog of material
for publication. We think we have been fortunate this year in
the quality of the papers presented. It is hoped that their dis-
tribution will bring forth some new subscriptions and enable
some of the members to secure additional support in the form
of advertising for these pages.
The circumstances which resulted in the undue delay in
publication of manuscripts received last fall or early in the
spring appear now to have been eliminated. We feel confident
that better service can be rendered in the future.
So send in those manuscripts and let's get on with this busi-
ness of making the Florida Entomologist a bigger and better
journal. Manuscripts may be submitted by non-members as
well as members.
A KEY TO THE CRAYFISHES OF THE PICTUS SUBGROUP
OF THE GENUS PROCAMBARUS, WITH THE DESCRIPTION
OF A NEW SPECIES FROM SOUTH CAROLINA
HORTON H. HOBBS, JR.
Miller School of Biology, University of Virginia
The Pictus Subgroup of the Genus Procambarus, as defined
by Hobbs (1942: 129), comprises six species (including the
one described below) which inhabit various types of lotic situ-
ations in Florida, Georgia and South Carolina. Ecological data
and notes on the distribution of these crayfishes have been sum-
marized by Hobbs (1942 and 1947). '
All of the described species of the Pictus Subgroup are poorly
known, and in the collection of the Charleston Museum there
are at least two undescribed ones which were collected from
South Carolina.' It seems highly probable that further collect-
ing along the Atlantic Seaboard from Florida to North Carolina
will disclose the presence of several other closely related species.
Procambarus lepidodactylus sp. nov.
DIAGNOSIs.-Rostrum with lateral spines; acumen long and slender;
areola broad with four to six punctations in narrowest part; male with
hooks on ischiopodites of third and fourth pereiopods; palm of chela of
'A report on the crayfishes in the Charleston Museum is soon forth-
THE FLORIDA ENTOMOLOGIST
first form male not bearded but bears two or three irregular rows of
tubercles; postorbital ridges terminate cephalad in sharp spines; one acute
lateral spine present on each side of carapace. First pleopod of first form
male reaches coxopodite of third pereiopod: mesial process with a blade-
like edge, and directed caudolaterad and somewhat distad; cephalic process
lateral in position with its cephalic margin lying caudad to the cephalio
margin of the central projection; caudal element with caudal knob obsolete,
a caudolaterally-excavate caudal process, and an adventitious process, con-
sisting of a corneous ridge along the mesial side of the central projection;
central projection a prominent corneous tooth directed at a right angle
to the main shaft of the appendage. Sternum of female just cephalad
of annulus ventralis trough-like with caudally projecting bituberculate
prominences on either side of the median area.
HOLOTYPIC MALE, FORM I.-Body subovate, compressed laterally. Abdo-
men narrower than thorax (9.6-10.5 mm. in widest parts respectively).
Width and depth of carapace in region of caudodorsal margin of cervical
Areola broad (3.3 times longer than broad) with five or six punta-
tions in narrowest part (punctations widely spaced); cephalic section
of carapace about 2.5 times as long as areola (length of areola about
28.6% of entire length of carapace).
Margins of rostrum subparallel at base and converging cephalically
to base of acumen; upper surface slightly cbncave caudad and subplane
cephalad, with scattered setiferous punctation, and a row of similar ones
along inner sides of margins; margins slightly raised, not swollen, and
acumen distinctly set off by acute lateral spines; acumen long and slender,
almost reaching distal end of peduncle of antennule; setae on acumen
long and extending cephalad slightly beyond its cephalic end. Subrostral
ridges clearly defined but not evident in dorsal aspect.
Postorbital ridges prominent, shallowly grooved laterad, and terminat-
ing cephalad in long acute spines; suborbital angle not prominent and
obtuse; branchiostegal spine well developed and long. Strong acute lateral
spine present on either side of carapace. Surface of carapace punctate
dorsad and strongly granulate laterad.
Abdomen long than carapace (29.2- 23.1 mm.).
Cephalic section of telson with four spines in each caudolateral corner.
Epistome broadly triangular and bearded cephalad; an acute spine
present on cephalomedian angle.
Antennules of the usual form with a strong acute spine on ventral
surface of basal segment.
Antennae extend caudad to caudal margin of fifth abdominal segment.
Antennial scale of moderate width with a strong acute spine on outer
distal margin; lamellar portion with no distinct angles (see Fig. 9).
Right chela elongate, slender, and covered with setose tubercles and
punctations. Inner margin of palm with three poorly defined rows of
small squamous tubercles, the middle one consisting of nine. Lower sur-
face of palm with setiferous squamous tubercles. Fingers not gaping.
Opposable margin of dactyl with one knob-like tubercle near base; if
others are present they are completely obscured by the broad band of
VOL. XXX-No. 3 27
minute scale-like denticles extending the length of the opposable margin
(hence the name lepidodactylus). Mesial margin of dactyl with a clearly
defined longitudinal keel, and with a few scattered tubercles at base; upper
surface with a submedian longitudinal ridge; lower surface without a
median longitudinal ridge. Opposable margin of immovable finger with
a small knob-like tubercle near base and another one just proximad of
midlength, and the lower surface bears a longitudinal submedian ridge;
otherwise the two fingers are very similar. Both fingers studded with
setiferous punctations which give them a hirsute appearance.
Carpus of first right pereiopod about 1.7 times longer than broad with
a very faint oblique furrow above; surface laterad of furrow punctate,
mesiad of it tuberculate; tubercles of mesial upper surface arranged
roughly in two rows. Mesial surface, in addition to several small tubercles,
with two prominent acute spines one on cephalic margin, and the other
only a short distant caudad to it; cephaloventral margin with two large
acute spines, the outer one larger.
Merus of first right pereiopod with an irregular longitudinal row of
very small tubercles on upper surface, and near distal margin two
very prominent acute spines; mesial surface punctate proximad and
tuberculate distad; lateral surface punctate; lower surface with two rows
of tubercles an inner row of about 18 only three of which are spiniform,
and a poorly defined outer row, three of which are large and spike-like;
additional small tubercles present on either side and between these two
Ischiopodites of third and forth pereiopods bearing hooks; hooks large
but simple; basiopodite of fourth pereiopod with a prominent simple knob-
like swelling extending toward terminal end of hook on ischiopodite.
Coxopodites of fourth and fifth pereiopods with ventrally projecting
prominences those on fourth moderately heavy and rounded, and directed
caudomesiad; those on fifth compressed, plate-like and_ directed caudo-
First pleopod reaching coxopodite of third pereiopod when abdomen
is flexed (left pleopod not reaching quite so far cephalad as right one).
Mesial process long, slender, somewhat compressed with the distal edge
sharp, and directed caudolaterad and somewhat distad. Cephalic process
compressed, truncate, and directed caudodistad; the whole process lies
laterad of the central projection, and its cephalic margin lies caudad of
the cephalic margin of the central projection. Caudal element consisting
of (1) the caudal process, a corneous caudolaterally-excavate tooth directed
caudodistad and (2) the adventitious process which is a corneous ridge
along the mesial margin of the central projection; the caudal knob is
obsolete. Central projection a large corneous tooth, the most conspicuous
of the terminal elements, acute and directed caudad at approximately a
right angle to the main shaft of the appendage.
ALLOTYPIC FEMALE.-Differs from the holotype in the following re-
spects: cephalic section of telson with three spines in each caudolateral
corner; chelae weaker than that of male (see measurements).; opposable
margins of fingers of chelae with a single row of minute denticles; merus
of first pereiopod with only two spike-like tubercles in outer row on lower
THE FLORIDA ENTOMOLOGIST
surface (the other tubercles in this row practically obsolete). Annulus
ventralis as figured (Fig. 8).
MORPHOTYPIC MALE, FORM II.-Differs from the holotype as follows:
cephalic section of telson with three spines in the caudolateral corners;
outer row of tubercles on merus of first pereiopod with only two spike-like
ones, others obsolete. First pleopod without corneous terminal elements;
caudal element represented by a very small tubercle; cephalic process
cephalolateral in position. All secondary sexual characters much reduced.
MEASUREMENTS.-HOLOTYPE: carapace, height 10.0, width 10.5, length
23.1 mm.; areola, width 2.0, length 6.6 mm.; rostrum, width 3.4, length
7.0 mm.; abdomen, length 29.2 mm.; right chela, length of inner margin of
palm 5.8, width of palm 3.7, length of outer margin of hand 15.0, length
of dactyl 7.5 mm. ALLOTYPE: carapace, height 10.4, width 10.6, length
23.9 mm.; areola, width 1.6, length 6.4 mm.; rostrum, width 3.6, length
7.8 mm.; abdomen, length 30.4 mm.; right chela, length of inner margin
of palm 4.3, width of palm 3.0, length of outer margin of hand 11.6, length
of dactyl 5.7 mm.
TYPE LOCALITY.-Juniper Creek, a small, clear, moderately
swift, sand-bottomed stream flowing through, swampy terrain,
one mile southwest of Patrick, Chesterfield County, South Caro-
lina, on U. S. Highway 1. Little vegetation was present in the
creek where the collections were made, and most of the speci-
mens were taken in a dipnet pushed through the roots of plants
growing along the banks. Here P. lepidodactylus was associated
with an unidentified crayfish of the genus Cambarus.
DISPOSITION OF TYPES.-The male holotype, the female allo-
type and the second form male morphotype are deposited in the
United States National Museum (Nos. 84198 and 84199). Of the
remaining paratypes two first form males, one second form male,
three females and three immature females are in my personal
collection at the University of Virginia.
SPECIMENS EXAMINED.-South Carolina: Chesterfield County
(Peedee River Drainage)-the type locality-two males, form I,
and one female; similar stream, with more abundant vegetation,
six miles northeast of Patrick, U. S. Highway 1-one male, form
I, two males, form II, two females, two immature females. Both
lots were collected on July 28, 1947.
VARIATION.-In the few specimens at hand I can detect no
RELATIONSHIPS.-Procambarus lepidodactylus is probably
most closely allied to P. enoplosternum Hobbs (1947: 5), dif-
fering from it principally in the structure of the first pleopod
of the male-i.e., in P. lepidodactylus the caudal knob is lacking,
and the cephalic process is lateral in position. The opposable
VOL. XXX-No. 3 29
margins of the fingers of the chelae with thickly crowded minute
denticles and reduced knob-like tubercles are similar to those
of P. pubescens (Faxon).
KEY TO THE SPECIES OF THE PICTUS SUBGROUP 2
(Based on the First Form Male)
1 Length of inner margin of palm of chela greater than length of
dactyl; acumen of rostrum as long as or longer than rest of ros-
trum..---.........--....----- ..............Procambarus young Hobbs (1942: 131)
1' Length of inner margin of palm of chela less than length of dactyl;
acumen of rostrum not as long as rest of rostrum..................-------. '2
2(1') Cephalic surface of first pleopod with an angular hump at base of
cephalic process; caudal knob extending almost as far distad as cen-
tral projection....................Procambarus litosternum Hobbs (1947: 9)
2' Cephalic surface of first pleopod with a rounded shoulder; caudal
knob, if present, not extending almost as far distad as central
projection.....-.......-.- ...............----------...... ---..--.......-... ..-...-......----- 3
3(2') First pleopod with central projection directed caudad; viewed later-
ally, no distinct gap between bases of the central projection and
cephalic process ....-- .....--.. -.........-- ..............--- .- -..-- .....--.. .... 4
3' First pleopod with central projection directed caudodistad; viewed
laterally, a distinct gap between bases of the central projection and
cephalic process .....--................-...-............ ............------- ---- ..--- 5
4(3) First pleopod with cephalic margin of cephalic process distinctly
cephalad of cephalic margin of central projection; caudal knob clearly
defined............................Procambarus enoplosternum Hobbs (1947: 5)
4' First pleopod with cephalic margin of cephalic process distinctly
caudad of cephalic margin of central projection; caudal knob ob-
solete..---.....---...-------.......---------....Procambarus lepidodactylus sp. nov.
5(3') First pleopod with caudal knob knob-like; caudal process viewed
caudally a subacute spine; cephalic process directed caudodistad......
....-.-.....-......-.--......--..-....-...-...Procambarus pictus (Hobbs) 1940: 419
5' First pleopod with caudal knob in the form of a ridge; caudal
process viewed caudally a broad triangular tooth; cephalic process
directed distad--.....---............Procambarus pubescens (Faxon) 1884: 109
Faxon, Walter, 1884. Description of new species of Cambarus; to which
is added a synonymical list of the known species of Cambarus and
Astacus. Proc. Amer. Acad. Arts and Sci. 20: 107-158.
Hobbs, Horton H., Jr., 1940. Seven new crayfishes of the genus Cambarus
from Florida, with notes on other species. Proc. U. S. Nat. Mus. 20
(1136): 643-694, pls. 62-70.
1942. The crayfishes of Florida. Univ. of Florida Pub., Biol. Sci.
Series 3(2): 1-179, 3 text figs., 11 maps, 24 pls.
1947. Two new crayfishes of the genus Procambarus from Georgia,
with notes on Procambarus pubescens (Faxon). Quart. Jour. Fla.
Acad. Sci. 9(1): 1-18, 2 pls.
2Hobbs 1942: 129.
THE FLORIDA ENTOMOLOGIST
VOL. XXX-No. 3
EXPLANATION OF PLATE
(Procambarus lepidodactylus sp. nov.)
Pubescence removed from all structures illustrated except in Figure 12.
Fig. 1. Mesial view of distal end of first pleopod of first form male.
Fig. 2. Lateral view of carapace.
Fig. 3. Lateral view of distal end of first pleopod of first form male.
Fig. 4. Mesial view of distal end of first pleopod of second form male.
Fig. 5. Lateral view of distal end of first pleopod of second form male.
Fig. 6. Lateral view of first pleopod of .first form male.
Fig. 7. Epistome.
Fig. 8. Annulus ventralis.
Fig. 9. Antennal scale.
Fig. 10. Dorsal view of carapace.
Fig. 11. Basiopodites and ischiopodites of fourth and third pereiopods of
first form male.
Fig. 12. Distal three podomeres of first pereiopod of first form male.
A NEW SPECIES OF GYRETES FROM WESTERN FLORIDA
FRANK N. YOUNG
The new species of Gyretes described below represents a re-
markable record for the genus in the Eastern United States.
It was at first thought to be Gyretes sinuatus LeConte, the only
member of the genus reported east of the Rocky Mountains, but
comparison with specimens in the United States National Mu-
seum and the Museum of Comparative Zoology indicates that
its closest allies are South American and Mexican. It may pos-
sibly be a chance introduction by commerce, but this seems
The genus Gyretes can easily be distinguished from the other
genera of the "whirligig beetles" or "mellowbugs" (Gyrinidae)
which occur in North America by the peculiarly elongate last
abdominal segment, which is conical and has a row of hairs on
the middle of the upper surface.
Gyretes iricolor sp. nov.
DIAGNOSIS: A small, iridescent, Gyretes with the elytra and
pronotum narrowly margined with yellow, and the epipleura
yellowish. Elytra truncate in both sexes, the posterior margin
convex in the male, concave in the female; sutural angles, pro-
duced in female but not dehiscent, only slightly produced in male;
outer angle of elytral truncation not produced, but forming
nearly a right angle. Pubescent border of pronotum and elytra
THE FLORIDA ENTOMOLOGIST
very narrow, not reaching the suture in the female. Length:
About 4.5 mm. in male; 4.9 mm. in female.
Iricolor is probably most closely allied to pygmaeus, oblongus,
and tumidus of Regimbart, but differs from the descriptions of
all of these. From sinuatus LeConte, iricolor is easily separated
by the narrow pubescent border of the elytra, narrow but dis-
tinct yellow margin of the elytra, and by the different truncation
of the elytra. From californicus Regimbart, iricolor is distin-
guished by its smaller size, different pubescent border, and un-
produced outer angle of the elytral truncation.
HOLOTYPE MALE: Elongate, broadest near basal third of elytra, attenu-
ate behind and before. Length 4.5 mm., width at basal third of elytra 2.1
mm., width at base of pronotum about 1.9 mm., width at apex of pronotum
about 1.6 mm. Elytra: Convexly truncate at apex, the outer angle not
at all produced, but evident, forming nearly a right angle; sutural angle
nearly a right angle, just perceptibly produced. Legs: Anterior tibiae
not produced at outer apical angles; gradually broadened from constricted
base to apex; anterior tarsi moderately dilated, ovate. Anal Sternite:
Dull, micro-reticulate, not carinate. Sculpture: Clypeus and frons finely,
densely punctate, dull; vertex and occiput finely, sparsely punctate, shining;
pronotum finely punctate, micro-reticulate, less shining than the elytra;
pubescent border of pronotum triangular, broadest anteriorly and narrowed
posteriorly, coarsely and densely punctate throughout; elytra almost
impunctate, with fine microsculpture throughout, strongly shining and
iridescent; pubescent border of elytra very narrow, reduced to a single row
of puntures at middle, slightly dilated anteriorly and narrowly expanded
along apical truncation of elytra but narrowing again before reaching the
suture. Color: Iridescent black above, with pronotum and elytra very
narrowly bordered with yellow; pronotum dark brown, slightly bronzed,
iridescent;, venter dark reddish brown, with the legs, abdomen, and middle
of thorax lighter reddish brown; epipleura and pronotal epipleura, an-
terior coxae, bases of antennae, palpi, and front of labrum yellow or light
ALLOTYPE FEMALE: Similar to the male, but slightly broader and
larger, lacking the dilatation of the anterior tarsi, slightly darker in color
below, and with the pubescent border of elytra not reaching the suture.
The tips of the elytra are truncate as indicated in the diagnosis. Length
4.9 mm., width near basal third of elytra 2.3 mm., width at base of
pronotum about 2.0 mm., width at apex of pronotum about 1.4 mm.
Holotype and allotype from Sandy Creek, Holmes County,
Florida about 10 miles east of DeFuniak Springs. Sandy Creek
is a large, swift, sand-bottomed tributary of the Choctawhatchee
River. The holotype was' collected Oct. 18, 1941 in company
with Gyrinus analis Say; the allotype Dec. 11, 1937 from debris
along the margin of the stream. The species probably occurs
over a rather large area in western Florida, where it should be
looked for in the swifter streams.
VOL. XXX-No. 3
The holotype and allotype will be deposited in the Museum
of Zoology, University of Michigan, Ann Arbor, Michigan.
I wish to thank Dr. R. E. Blackwelder and Dr. E. A. Chapin
of the United States National Museum, and Dr. P. J. Darlington,
Jr., of the Museum of Comparative Zoology, for the loan of
material from their respective museums.
A NEW WOLF SPIDER FROM FLORIDA, WITH NOTES
ON OTHER SPECIES1
H. K. WALLACE
The following three species of spiders from north-central
Florida are quite similar in appearance and size and may be
easily confused. One of these is new; all three have distinctive
genitalia and different habitat preferences. For the two de-
scribed species references to papers containing figures of the
genitalia are given.
Lycosa apothetica n. sp.
Fig. 1.-Lycosa apothetica, n. sp.,
Fig. 2.-Lycosa apothetica, n. sp.,
34 THE FLORIDA ENTOMOLOGIST
HOLOTYPE: Female, from pond margin in slash-pine flat-
woods 2 6.5 miles from the Alachua County, Florida, courthouse
on the west side of the road to the Devil's Mill Hopper (via
Fla. 26), October 26, 1937, ALLOTYPE, a male with the same
data: both in author's collection.
DESCRIPTION OF HOLOTYPE: In alcohol Overall color effect a dusky
reddish or yellowish brown; femora annulate. Median stripe of the cara-
pace widest behind the posterior lateral eyes, here equalling the width of
the posterior median eye row; median stripe incloses a median dark streak
between the eyes and two dark spots behind the eyes. Sides of carapace
dusky with a wide, irregular submarginal light area. Dorsum of abdomen
dusky brown with an indistinct hastate mark and other dark maculation;
venter almost immaculate, sides of abdomen with black spots. Sternum,
endites, labium and coxae immaculate, light reddish brown in color.
Femora beneath with large, faint dusky areas. Palpal joints light, im-
Carapace longer than wide (4.0 mm./2.9 mm.), 1.3 mm. high; width
of head 1.9 mm. Posterior eye quadrangle wider than long (1.4 mm./1.0
mm.), eyes of the median row slightly larger than those of the posterior
(0.4 mm./0.3 mm.); median row slightly wider than the anterior (1.0
mm./0.8 mm.). Anterior row of eyes slightly procurved, median eyes
larger than laterals; clypeus equals diameter anterior median eye. Lower
margin of furrow of chelicera with three equal, almost contiguous, teeth.
Distance from top of posterior median eyes to clypeus 0.6 mm. Palpal
segments: femur 1.4 mm., patella 0.7 mm., tibia 0.8 mm., tarsus and claw
1.2 mm. Legs 4123.
Femur Patella Tibia Metatarsus Tarsus Total
I 3.? 1.5 2.2 2.0 1.5 11.1
II 2.7 1.5 2.0 2.0 1.5 9.7
III 2.6 1.3 1.8 2.2 1.5 9.4
IV 3.3 1.6 2.8 3.7 1.9 13.3
DESCRIPTION OF ALLOTYPE: In alcohol General body color a dusky
yellowish or reddish brown; legs annulate. Median stripe of carapace
incloses a median dark line which extends posteriorly to the posterior
margin of the posterior lateral eyes; median stripe widens behind the
posterior lateral eyes to equal the width of the posterior median row;
here incloses two dark spots. Sides of carapace dusky with radially
disposed darker bands; a sparse covering of white hairs gives the appear-
ance of an indistinct submarginal stripe. Dorsum of abdomen with distinct
hastate mark, with black maculation behind; venter yellow with a few
black spots. Sternum yellow, immaculate; coxae and femora somewhat
darker in color. Palpal joints about as light in color as sternum; endites
light, labium darkens proximally.
1 Contribution from the Department of Biology and Geology, Univer-
sity of Florida, Gainesville.
2 For descriptions of terrestrial habitats in a region in northern Florida
see Laessle, A. M., 1942. The Plant Communities of the Welaka Area.
University of Florida Publications. Biological Science Series, Vol. 4, No. 1.
VOL. XXX-No. 3 35
Carapace longer than wide (3.5 mm./2.5 mm.), 0.8 mm. high; width
of head 1.4 mm. Posterior eye quadrangle wider than long (1.0 mm./0.8
mm.), eyes of the median row slightly larger than those of the posterior
(0.4 mm./0.3 mm.); median row slightly wider than anterior row (0.9
mm./0.7 mm.). Anterior row of eyes slightly procurved, median eyes
larger than laterals; clypeus equals diameter anterior median eye. Lower
margin of furrow of chelicera with three teeth, equally spaced, lateral
tooth largest, middle tooth larger than the median. Distance from top
of posterior median eyes to clypeus 0.6 mm. Palpal segments: femur
1.3 mm., patella 0.6 mm., tibia 0.6 mm., cymbium 1.0 mm. Legs 4123.
Femur Patella Tibia Metatarsus Tarsus Total
I 2.7 1.4 2.3 2.3 1.5 10.2
II 2.4 1.3 2.0 2.1 1.5 9.3
III 2.4 1.2 1.7 2.3 1.3 8.9
IV 3.1 1.2 2.5 3.3 1.8 11.9
SPECIMENS RECORDED: 57 8 $ 49 9 9.
GEOGRAPHIC DISTRIBUTION: Southeastern states; known at present
from Florida, Georgia, and Mississippi.
RECORDS: Florida: Alachua Co.: 1774 Leon Street, Gainesville, Apr.
11, 1933, Cat. 140 1 9 ; pine flatwoods 2.0 miles east of Alachua County
courthouse on Fla. 26: Jan. 19, 1937 2 9 9 ; Jan. 20, 1937 4 9 9 ; Jan.
22, 1937 1 9 ; Jan. 30, 1937 9 9 9 ; Apr. 19, 1937 2 9 9 ; pond mar-
gin in slash-pine flatwoods 6.5 miles from the Alachua County courthouse
on the west side of the road to the Devil's Mill Hopper (via Fla. 26):
Feb. 7, 1937 5 9 9.; Oct. 26, 1937 2 & S, 3 9 9 (including holotype
and allotype) ; pine flatwoods on east side of San Felasco Hammock: Feb.
7, 1938, Cat. 1007 6 9 9 ; Feb. 7, 1938, Cat. 1008 1 &, 3 9 9 ; slash-
pine flatwoods about 4.3 miles northwest of University of Florida campus
on U. S. 441, Feb. 15, 1938, Cat. 1023 1 ; slash-pine flatwoods about
5.5 miles northwest of University campus on U. S. 441, Feb. 15, 1938,
Cat. 1024 -3 9 9 ; 5.0 miles west of Gainesville, Mar. 18, 1938, W. J.
Gertsch 1 9; Nov. 2, 1938, C. Benton 1 & ; Leon Co.: north shore of
"Seven Mile" Pond, Apr. 16, 1936, H. K. Wallace and R. E. Bellamy, Cat.
541A 3 9 .
Georgia: Turner Co.: 9.0 miles southeast of Sycamore, seepage area,
May 6, 1937, Cat. 606 1 9.
Mississippi: 42 miles east of New Orleans on U. S. 90, F. Norman and
party, Dec. 15, 1939, HKW Cat. 652A & B--4 & S, 4 9.
REMARKS: Males have been collected only in October, November,
December and February while females have not been taken after May
until October. Lycosa apothetica is a very secretive animal and usually
stays close by, or in, the mouth of its retreat; this probably accounts for
the small number of county records. I have not found this species on bare,
open stretches of soil devoid of leaf mould or vegetational mattings.
In north-central Florida it is usually found in moist situations in pine
flatwoods (pond margins, cypress bay margins, etc.), but may be found
occasionally in other situation.
THE FLORIDA ENTOMOLOGIST
This species resembles L. parthenus and L. acompa somewhat in ap-
pearance and size but the genitalia are distinct in both sexes. In L. acompa
the lateral processes of the guide of the epigynum are not recurved; in
L. parthenus they are recurved, extending cephalad to a point in front of
the cephalic end of the median process of the guide; in L. apothetica the
lateral processes are also recurved, but they extend cephalad only about
three-fourths of the length of the median process of the guide. Differences
in the male palpi can be determined by a study of published figures.
The differences in habitat preferences are indicated in the discussions
under each species.
Lycosa acompa Chamberlin
1924. Lycosa acompa Chamberlin. Proc. U. S. Nat. Mus., 63(13): 29;
pl. 6, fig. 45. [ 9 type locality, New Orleans, La.; epigynum figured].
1934. Lycosa abdita Gertsch. Amer. Mus. Nov., No. 726: 3; fig. 6.
[figure of epigynum].
1935. Lycosa acompa, Gertsch and Wallace. Amer. Mus. Nov., No.
794: 11-12; fig. 31. [figure of male palpus].
GEOGRAPHIC DISTRIBUTION: Known from Texas, Louisiana, Georgia,
RECORDS: Florida: Edgewater, Mar. 12, 1939, C. A. Frost, M. C. Z. collec-
tion 1 ; Alachua Co.: near Alachua: May 10, 1941, Cat. 1139 -5 & ,
2 9 9 ; May 3, 1941, Cat. 1137-1 & ; Gainesville vicinity: Apr. 29, 1933, Cat.
207 1 5 ; Apr. 16, 1934, Cat. 285 1 8 ; May 1, 1936, Cat. 549 2 8 S ;
Jan. 19, 1937 2 $ S, 1 ; Feb. 9, 1938, Cat. 1012 juv. ; Apr. 22;
1937- 4 5 $, 2 9 9 (one pair observed copulating); May 14, 1937, Cat.
611A 2 9 9 ; near Hawthorne, Mar. 24, 1935 2 S ; Mesophytic Ham-
mock of Biology Station on Newnan's Lake: Jan. 23, 1937 1 S, 6 imma-
tures; Apr. 16, 1934, Cat. 284 2 9 ; Apr. 24, 1937 -3 9 9; San
Felasco Hammock: May 5, 1937 1 ; May 21, 1937 1 ; June 5,
1937 2 immatures; June 19, 1937 2 9 9 ; Sugarfoot Hammock, Mar.
19, 1938, Cat. 1031 S 8, 9 9 ; Prairie Creek Magnolia-Cypress Ham-
mock, Apr. 18, 1935, Cat. 394 -1 9 ; Wauberg Lake Hammock, Mar. 14,
1933, Cat. 121--1 9. Brevard Co.: Cocoa, Feb. 23, 1925, M. C. Z. col-
lection- 1 9. Collier Co.: Everglades, Feb. 1935, W. M. Barrows 1 9.
Escambia Co.: Riverview, Apr. 6, 1934, Cat. 282 -1 S, 44 9 9. Flagler
Co.: 3.6 miles east of county line on Florida 28, Apr. 1, 1939, Cat. 1072 -
1 S. Lake Co.: Lake Eustis, Jan. 4, 1935, Cat. 366 -1 9. Lee Co.: Ft.
Myers, Jan. 20, 1937, W. M. Barrows 1 5. Levy Co.: in the Gulf Ham-
mock, Apr. 20, 1935, Cat. 397, G. Van Hyning 1 8. Liberty Co.: Tor-
reya Ravine, Apr. 10, 1935, Cat. 382 9 & 8, 3 9 9, 1 immature; Sweet-
water Branch, Apr. 11, 1935, Cat. 383C 1 3, 2 9 9. Polk Co.: 3 miles
east of Lakeland, June 26, 1935, Cat. 420 1 9. Putnam Co.: Welaka,
U. of F. Conservation Reserve: June 2, 1947, Cat. 1267 1 ; June 3,
1947, Cat. 1267 1 9 with egg sac; June 6, 1947, Cat. 1273 -5 9 9 ; June
6, 1947, Cat. 1273A 3 9 ; June 7, 1947, Cat. 1275 1 9. Taylor Co.:
Stephensville, Mar. 26, 1933, Cat. 131 1 1 9. Volusia Co.: Benson
Springs, Nov. 11, 1933, Cat. 252 immatures; 1.8 miles southeast of county
line on U. S. 1, Apr. 1, 1939, Cat. 1074 1 $.
VOL. XXX-No. 3
Georgia: Turner Co.: 9.0 miles southeast of Sycamore, May 6, 1937,
Cat. 606-3 & S, 5 9 9.
Texas: Edinburg, Feb. 14, 1935, Rutherford 1 1 9..
REMARKS: This is a spring form, the earliest date for the collection
of a male being January 19 and the latest May 10. Copulation has been
observed in April, a female with egg sac in June. By the middle of the
summer this species is much reduced in numbers.
Lycosa acompa is one of the characteristic species of the leaf mould of
mesophytic hammocks in north-central Florida; it seems to favor moist
situations in these hammocks. It also occurs in low or wet hammocks,
swamps, and around wet areas in pine flatwoods. Its main requirements
appear to be shade, leaf mould, and moist soil. It is usually found close
to its retreat which is most often a shallow burrow in the ground beneath
the leaf mould; sometimes it is found under or in rotten logs. Like Lycosa
apothetica it is a very furtive species, hiding in the leaf mould and not
venturing far from its retreat. Sometimes these two species are found
in the same habitat.
Lycosa parthenus Chamberlin
1925. Lycosa parthenus Chamberlin. Bull. Mus. Comp. Zool., Harvard,
67(4) : 228. [ 9 type locality, Bartow, Florida].
1935. Lycosa parthenus, Gertsch and Wallace. Amer. Mus. Nov. No.
794: 12-13; figs. 28 and 29. [figures of male palpus and epigynum].
GEOGRAPHIC DISTRIBUTION: Known only from Florida.
RECORDS: Florida: Alachua Co.: 2 miles north of Melrose on Fla. 80,
May 31, 1936, Cat. 558A- 1 9 ; approximately 2.7 miles northeast of
Alachua on Fla. 113, Feb. 4, 1938, Cat. 1002 3 & 1 9 ; vicinity of
Gainesville: Apr. 2, 1933, Cat. 136 -1 9 ; Oct. 25, 1933, Cat. 24'6 1 &
1 9 ; Oct. 25, 1933, Cat. 247 -3 9 9 ; Oct. 31, 1933, Cat. 250 1 9 ; Apr.
17, 1934, Cat. 286 -1 9 ; May 1, 1936, Cat. 549 -1 9 ; Jan. 23, 1937 -
1 9; Jan. 30, 1937-1 & ; Feb. 3, 1937-1 S, 9 9 ; Mar. 6, 1937 -
1 9; May 14, 1937 -1 9; May 15, 1937 2 9 9; June 12, 1937 -1 9;
Oct. 26, 1937 2 9 9; Oct. 27, 1937 1 2 9 9; Feb. 7, 1938, Cat.
1009 1 & ; Feb. 8, 1938 1 3, 1 9; Feb. 9, 1938, Cat. 1010 -6 S ,
5 9 9; Feb. 9, 1938, Cat. 1011 -1 S, 1 9 ; Feb. 13, 1938, Cat. 1018 1 9 ;
Feb. 16, 1938, Cat. 1025 1 ; Feb. 16, 1938, Cat. 1027A 1 Clay
Co.: Keystone Heights, Feb. 5, 1938, Cat. 1006- 1 9. Citrus Co.: 10
miles south of Inverness, May 1, 1936, Cat. 577 1 9 ; Sweetgum Cavern,
near Floral City: Dec. 18, 1936- 1 9 ; Jan. 29, 1937, Cat. 580 8 8, 9 9
with egg sacs; Feb. 26, 1937, Cat. 582- 1 9 with egg sac. Escambia Co.:
Pensacola, Jan. 31, 1925, W. M. Barrows 1 S. Lake Co.: Eustis, Jan.
2, 1935, Cat. 361- 1 3, 2 9 9. Levy Co.: Sea Horse Island, Apr. 28, 1934,
Cat. 298 1 9. Liberty Co.: near Sweetwater Branch, Apr. 11, 1935, Cat.
383C 1 9; near Torreya Ravine, Apr. 12, 1935, Cat. 385 1 9. Put-
nam Co.: Welaka, U. of F. Conservation Reserve, May 2, 1947, Cat. 1253 -
REMARKS: Lycosa parthenus matures and mates during January and
February in the Gainesville region; however, I have two records of males
from October. Females with egg sacs have been taken only during Jan-
THE FLORIDA ENTOMOLOGIST
uary and February. During the spring adults gradually decrease in num-
bers until, by the middle of the summer, they are rare. By June the young
have left the mother and are common in the leaf mould of appropriate
This species is apparently confined to dry leaf mould. In such xeric
situations as turkey oak or old fields it is found among the leaves under
trees but is missing on open sandy stretches. Wherever dry leaf mould
occurs, including all situations drier than mesophytic hammock, this
species is likely to be present. In this respect it differs from the two
Trabea aurantiaca (Emerton)
1885. Aulonia aurantiaca Emerton. Trans. Conn. Acad. Sci., 6: 499;
pl. 49, figs. 6, 6a, 6b.
RECORDS: Florida: Putnam Co.: Welaka, U. of F. Conservation Re-
serve: June 2, 1947, Cat. 1267 1 9 ; June 3, 1947, Cat. 1267- 8 2 9, one
with an egg sac; June 3, 1947, Cat. 1269 1 9 ; June 6, 1947, Cat. 1272 -
2 9 ; June 6, 1947, Cat. 1272A 3 9 9 with egg sacs; June 6, 1947,
Cat. 1273-3 9 9, one with egg sac; June 6, 1947, Cat. 1273A 1 9;
June 7, 1947, Cat. 1275 6 9 9 ; June 6, 1947, Cat. 1275A 1 9 with
REMARKS: The above collections were made in three types of situ-
ations, (1) under dry sphagnum moss-this had been in a shallow pond in
pine flatwoods bordering a bayhead, but the pond had dried up completely
leaving a layer of sphagnum about an inch thick suspended several inches
above the ground, the sphagnum being suspended by its attachment to
reeds and other plants growing in the area. The soil beneath the sphag-
num was moist. (2) in and under moist rotten logs. (3) in a very thick
leaf mould of a Pinus australis Quercus cinerea association on Blanton
Fine Sand. This situation had the appearance of being almost xeric, but
I believe the thickness of the ground cover produced a fairly humid en-
vironment. All three situations were collected at night by raking an area
clean of cover, or tearing up rotten logs, and then shining the disturbed
areas with a headlight.
Dr. Herbert Osborn has written to the society requesting
data on recent activities in entomology, especially the part played
in the recent war by individual entomologists, either in actual
army duties or in research related to the war. He also wishes
to add pictures of entomologists to the collection of photographs
now being made at the Department of Entomology, Ohio State
University. Any data or photographs from members of the
Florida Entomological Society will be appreciated. They should
be sent to Dr. Herbert Osborn, B and Z Building, Ohio State
University, Columbus 10, Ohio.
VOL. XXX-No. 3
THE FEMALE OF LESTODIPLOSIS FLORIDANA Johannsen
O. A. JOHANNSEN
Cornell University, Ithaca, N. Y.
In the first number of volume 28 of THE FLORIDA ENTOMOLO-
GIST, page 8, the male of the species noted above was described.
Recently my colleague, Dr. J. G. Needham, turned over to me
specimens of both sexes reared from the flower heads of Bidens
pilosa collected at Archibald's, near Lake Placid, Florida (Decem-
ber 14), and at Sarasota, Florida (January 15).
In color and most structural features the sexes differ but
little. The species is associated with Asphondylia bidens Joh.
and occurs in the flower heads of the host plant probably as
Female. Head, thorax, abdomen, and legs yellow; antennae
brownish with the necks of the segments yellow; mesonotum
with three wide brown vittae, sternum brown, basal abdominal
segments with indications of darker fasciae in well colored
specimens; apical segment of feet dark.
Antennae with 14 segments, length 1.2 mm.; the basal seg-
ment more or less quadrate with a few long bristles apically;
the second segment nearly spherical, sparsely bristled; flagellar
segments with the nodes, except the last 3 or 4 terminal ones,
somewhat constricted a short distance proximal of the middle,
the nodes averaging 0.05 mm. in length, the necks 0.035 mm.,
except the last two or three which are a little shorter; apical
segment 0.06 mm. long. Each flagellar segment with a whorl
of few long bristles near the base, and another and somewhat
more irregular one near the tip, except the last three segments
on which the bristles are more irregularly distributed. The
antennal sense tubercles about as shown in figure 25 of L.
crataegifolia (in Felt's Report of the State Entomologist, N. Y.,
1918, page 135). Palpi with four segments, the first about as
long as broad, the second about twice, the third two and a half,
and the fourth about three times as long as broad, the second
widest. Ovipositor stout, terminal lobes short oval, not twice
as long as broad. First tarsal segment of all feet subequal and
respectively from a fourth to a sixth as long as the next succeed-
ing segment. Claws simple, evenly curved; empodium about as
long as the claws. Wing markings like those of the male, faint
and illy defined in rubbed, alcoholic, or slide-mounted specimens;
THE FLORIDA ENTOMOLOGIST
venation as in the male. Length 1.4 to 1.6 mm., wing length
Male. To the description of the male previously published
may be added that the aedeagus is slender, slightly sinuous and
ending bluntly, projecting caudally nearly to the apex of the
basistyle; dorsal plate hairy, lobes rounded. Antennae a third
to a half longer than the insect. Wing length 1.2 to 1.4 mm.
Specimens in the Cornell University Collection.
A NEW CATTLE LOUSE IN FLORIDA
At the recent meeting of the Florida Entomological Society, (Feb-
ruary 15, 1947), W. G. Bruce announced that the "tail louse" of cattle has
been identified as Haematopinus quadripertusus Fahrenholz. The species
was described from West Africa in 1915, and this is the first record of
its occurrence in the western hemisphere. The louse was first noticed in
central Florida in the summer of 1945. Since then it has been found in
many other localities and it now appears to be widespread throughout
The adult lice are confined almost entirely to the brush of tails of
cattle and the eggs are laid mostly on the long hairs of the brush. Be-
cause of their location, these insects are commonly referred to as "tail
lice" by stockmen.
Mr. Bruce stated that neither the arsenical dips used against ticks
nor low concentration DDT sprays are effective against the "tail louse".
He indicated that this louse can be controlled effectively by thoroughly
spraying the infested animals with a suspension containing 1.5% DDT.
A. N. TISSOT
The mailing address of the following members of the society
is either unknown or believed to be wrong. If their correct
address is known by anyone, please notify the secretary as soon
Burrell, Robert W. Maughn, Douglas
Crutchfield, C. M. Reitmeier, H. S.
Edwards, George A. Taylor, Mrs. K. P. A.
Gahan, J. B. Wisecup, C. B.
Herald, E. S. Wylie, W. D.
VOL. XXX-No. 3
EIGHTH INTERNATIONAL CONGRESS OF ENTOMOLOGY
The eighth International Congress of Entomology will be
held in Stockholm, Sweden, August 8-15, 1948. The fact that
all steamship sailings are currently booked to capacity for
months in advance makes it seem necessary for those expecting
to attend the congress in 1948 to arrange for passage as early
as possible. Steamship companies have not issued sailing lists
for 1948, but expect to do so in the early fall. A number of
lines have listed sailings for the present season, among them,
the Cunard, French, Belgian, Swedish, Norwegian, Gdynia
(Polish), Holland-American, etc., the first mentioned expecting
soon to have two new steamers in service. It is understood that
the Thirteenth International Congress of Zoology will be held
in Paris July 21 to 27, 1948, and it is hoped that all ento-
mologists going to Stockholm will plan to attend the Zoological
Congress also in order that the interests of the enomologists
may be fully represented before the more comprehensive body.
Should a sufficient number of individuals indicate that they ex-
pect to sail about mid-June, it may be feasible to engage passage
on the same steamer. Early information as to the probable
number of participants is especially desired in order that the
housing committee in Stockholm may make the necessary ar-
rangments. The undersigned, as member of the executive com-
mittee, would appreciate it if he be kept informed as early as
possible as to plans of those expecting to attend the sessions.-
O. A. Johannsen, Comstock Hall, C. U., Ithaca, N. Y. June, 1947.
ATTENTION FRIENDS, MEMBERS, AND LIBRARIANS!
Complete sets of THE FLORIDA ENTOMOLOGIST are now avail-
able and we can furnish odd numbers to complete your set.
Volume I through XXX complete .........$41.50
Single number .........------- ---------------. .50
Ten or more numbers, per number --.----..... .40
Orders should be addressed to Dr. Lewis Berner, Department
of Biology and Geology, University of Florida, Gainesville,
THE FLORIDA ENTOMOLOGIST
OBSERVATIONS ON DOLOMEDES ALBINEUS Hentz
JON L. HERRING and HERNDON DOWLING, JR.1
University of Florida
The spiders of the Genus Dolomedes in Florida are most
often observed at the water's edge or running across its surface.
The following observations, however, are concerned with a
species that is an inhabitant of tree-trunks in the vicinity of
On the night of July 2, 1947, an aggregation of D. albineus
was seen in a tree near the edge of Payne's Prairie, Alachua
County, Florida. The group was discovered at about 9:30 P. M.
as we were hunting with headlamps near the water's edge. A
single large individual was observed near the base of a sugar-
berry tree (Celtis laevigata Willd.) which was about twenty feet
from the water. When first seen, the spider appeared to be
alone, but closer examination of the tree showed the presence
of several others of the same species.
Two large-bodied individuals, both within eight feet of the
ground, proved to be females. In the higher branches many
smaller and more slender spiders were seen. These were quite
agile and more difficult to capture than the others, but upon
examination we found them to be the males of the same species.
Three spiders, about twenty feet from the ground, were posi-
tively identified as this sex and several other spiders, some feet
higher, could not be seen clearly but were thought to be males
because of their quick movements when disturbed.
Other trees in the vicinity were investigated, including sev-
eral other sugarberry trees in the same grove and willows (Salix
longipes.Shuttl.) at the water's edge. However, no other spiders
of this species were found. The tree containing the spiders was
the largest in the group (about 75 feet tall). The other trees
were much smaller, being only about one-half as high.
All of the spiders examined were fully adult and, since all
of them were found in the same tree, although other trees of
the same type were nearby, it is thought that this group had
assembled for breeding purposes.
We express our appreciation to Dr. H. K. Wallace, of this
department, for identifying specimens which were collected.
SDepartment of Biology and Geology.
VOL. XXX-No. 3
NOTICE OF ANNUAL MEETING
The date and place of the next annual meeting of the Florida
Entomological Society have been set by the executive committee.
The meeting will be held in Gainesville on the weekend of
December 12-13, 1947. Please make plans to attend this meet-
ing and be sure to prepare papers for presentation.
FOR ALL PURPOSES
Delivered on Time
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