Title: Florida Entomologist
Full Citation
Permanent Link: http://ufdc.ufl.edu/UF00098813/00301
 Material Information
Title: Florida Entomologist
Physical Description: Serial
Creator: Florida Entomological Society
Publisher: Florida Entomological Society
Place of Publication: Winter Haven, Fla.
Publication Date: 1930
Copyright Date: 1917
Subject: Florida Entomological Society
Entomology -- Periodicals
Insects -- Florida
Insects -- Florida -- Periodicals
Insects -- Periodicals
General Note: Eigenfactor: Florida Entomologist: http://www.bioone.org/doi/full/10.1653/024.092.0401
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Bibliographic ID: UF00098813
Volume ID: VID00301
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: Open Access

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Florida Entomologist
Official Organ of the Florida Entomological Society

JUNE, 1930

U. S. Bureau of Entomology
In the course of some insectary experiments conducted with
possible predators of the celery leaf-tyer (Phlyctaenia rubigalis
Guen.) at the United States Entomological Field Laboratory,
Sanford, Florida, certain observations concerning the habits and
biology of the spined soldier-bug (Podisus maculiventris Say)
were made.
On December 13, 1928, a female Podisus maculiventris, taken
on a celery plant in an old seed bed, was placed in a small jelly
dish in the insectary with three pupae and a half-grown larva
of the celery leaf-tyer. Two days later moths had emerged from
two of the pupae and the bug held one of the newly-issued moths
impaled on her beak and was sucking its body juices.
Until the time of the soldier-bug's death on January 10, 1929,
it had fed upon three larvae, a pupa, and two moths of the celery
leaf-tyer together with a larva of the southern beet webworm
(Pachyzancla bipunctalis Fab.). It had been in captivity 27
A day before the bug died it laid a mass of 22 eggs on the
4loor of the cage. The eggs proved to be fertile and hatched
within 11 days. When first noticed, the nymphs were congre-
gated in a compact group near the top of the cage. On subse-
quent occasions they exhibited a tendency to mass together in
this way even when only three survivors remained in the dish.
Although a number of small celery leaf-tyer larvae were con-
tinuously available as food for the nymphs, the latter did not feed
on them until 15 days after hatching. However, in the mean-
while the nymphs molted once and some of them were observed
to have their beaks inserted into the petiole of a sprig of celery
that had been introduced into the cage as food for the tyer


larvae. Cannibalistic propensities were exhibited by the Podisus
nymphs, for by February 4, 15 days after hatching, only three
were alive and one was discovered with the body of another
but smaller nymph impaled on its beak. Their gregarious habits
appear to be conducive to cannibalism, at least in captivity. On
February 22 the smallest of the survivors died, leaving only
two of the original 22 alive.
On one occasion, while one of the nymphs was quietly sucking
the body juices of a leaf-tyer larva, the other two nymphs ap-
proached and began feeding upon the same larva and each tug-
ged and hauled about in an apparent effort to pull it away from
the others.
After the nymphs were about 10 days old they were not ob-
served to feed upon the juices of the celery sprigs that were
introduced into the cage as food for the larvae, but several celery
leaf-tyer larvae, in the third to fifth instars, were destroyed by
the bugs.
Three weeks after the bugs hatched a newly emerged celery
leaf-tyer moth was placed in the cage where it remained for
two days before one of the nymphs fed on it although during
this period larvae had been fed upon. From this time moths
were introduced at frequent intervals for food of the rapidly
growing nymphs and were fed upon freely. For a number of
days a live but naked celery leaf-tyer pupa lay untouched on the
floor of the cage but on February 25, when the bugs were 32
days old, this, too, had been sucked dry. On February 26 the
larger nymph had molted for the last time, 33 days having
elapsed since it had hatched; and two days later the smaller
nymph transformed to the adult having completed its cycle in
35 days from the time of hatching.
The observations indicate that Podisus maculiventris may
breed throughout the year in central Florida. The mean tem-
perature out of doors during the incubation period was 650 F.
While this pentatomid does not appear to be of frequent oc-
currence on celery in the Sanford district, wherever it is present
it may be of value in destroying one of the most noxious insect
pests of that plant-the celery leaf-tyer.

Official Organ of The Florida Entomological Society, Gainesville,

Vol. XIV, No. 2 June, 1930

J. R. W ATSON............................................................................ Editor
WILMON NEWELL.. ...........................................Associate Editor
A. N. TISSOT ........--...---- ..----.......................... Business Msnager
Issued once every three months. Free to all members of the
Subscription price to non-members is $1.00 per year in ad-
vance; 35 cents per copy.

A. & M. College, Mississippi
Probably no state in the union has a larger number of intro-
duced ants than Florida. This peculiar condition is no doubt
due to a number of causes, chief among which may be enumer-
ated the following: (1) that Florida is constantly being visited
by many tourists; (2) being a seaboard Atate she is in direct
communication with many foreign ports; and (3) on account
of the semi-tropical climate nearly any ant that is imported into
her borders is almost sure to thrive outdoors.
Some of the imported ants that have been noted to occur in
this state are the following: Monomorium pharaonis (Linn.),
Solenopsis geminata subsp. rufa (Jerdon), Tetramorium gui-
neense (Fabr.), Wasmannid auropunctata (Roger), Tapinoma
melanocephalum (Fabr.), Paratrechina longicornis (Latr.) and
Camponotus socius Roger. That the Argentine ant Iridomyrmex
humilis Mayr has not yet been recorded from Florida is indeed
Recently I received for determination a number of specimens
of ants which were collected at Miami, by Mr. S. O. Hill. Among
the lot was one species which I had never seen before from North
America. With the available literature the ants were determined
as a species of Paratrechina (Nylanderia). Realizing that the
species was no doubt either a new species or else an imported
one, very. probably the latter, I submitted specimens to Dr.
Wheeler who identified the ants as a variety of Prenolepis


(Nylanderia) bourbonica, Forel, the type of which is known
from Madagascar. This variety was very probably introduced
into Florida on plants.
Mr. Hill in remarking about the habits of the ants stated that
the workers were observed running over sand and the pavement
of sidewalks at Miami. It would appear that this species is not
only well established at Miami but that it is capable of living
outdoors. Whether the species will prove to be a house infesting
form is not known, but it would appear that there might be a
strong possibility of this since a number of our native Para-
trechina (Nylanderia) have this habit.
Following is the synonymy of the species: P. bourbonica
Forel, Ann. Soc. Ent. Belg. Vol. 30, p. 210 (1886) worker, fe-
male, male. (Prenolepis nodifera bourbonica) Reunion, Isle
Prenolepis bourbonica, Forel, in Grandidier Hist. Nat. Mada-
gascar, Vol. 20, 2, p. 82, pl. 3, fig. 2 (1891) worker, female,
male; Emery, Nova. Caledonia, Zool. Vol. 1, p. 422 nota (1914)

The larvae of Mesogramnna polita Say, have food habits very unusual
for a syrphus fly, most of which feed on aphids and other small insects,
tho some are scavengers. The larvae became extremely abundant in a corn
field near Waldo, Fla.. in early June. They appeared in such large num-
bers on the tassels and the leaves as to attract attention of the owner of
the field and cause him considerable alarm. In response to an S.O.S. from
him, the field was visited by the writers. By that time the larvae had almost
disappeared; only one was seen. But there were large numbers of pupae,
especially on the leaves. In some cases as many as five pupae were taken
from a single leaf.
In Insect Life, Volume I, p. 5, there is an account under the name of
Mesograpta polite, of two similar outbreaks of this syrphus fly. One in
New Jersey and the other in Florida. In the previous outbreak in Florida,
the larvae were observed to be feeding upon the stalks of corn where they
caused soft discolored places. In the New Jersey outbreak they were re-
corded as feeding exclusively on pollen. In the field at Waldo no damage
to the stalks was seen. The larvae apparently confined themselves exclu-
sively to pollen. They had fed extensively on the tassels, and those found
on the leaves had undoubtedly been feeding on pollen grains which had
fallen there. They had caused no apparent damage to the corn. It seems
probable that this insect is by preference a pollen feeder and feeds on the
other parts of corn only when forced to do so by hunger. A noteworthy
characteristic of this outbreak was the fact that the maggots appeared
in such large numbers suddenly and disappeared as suddenly. Twenty-four
hours after the farmer had first noticed their presence on the corn, they
had almost entirely disappeared, although plenty of adults were found
flying about. Puparia collected from this field were found to be highly
parasited by two as yet undetermined species of Hymenoptera.


Dunedin, Florida

(Continued from Vol. XIV, page 17)

167. (13878). A. castaneus (Melsh.).
Length 8.5-10.5 mm. Short ovate, very robust, dilated behind; above
pale reddish-brown to black, beneath pale chestnut-brown; clypeus con-
cave on sides, its subapical transverse carina with two large obtuse teeth
and a much smaller median one; punctures of thorax smaller and more
sparse than in variolosus, those of alternate striae of elytra arranged in
Fort Capron and Enterprise, rare (Sz.).

Very large, dark brown Scarabaeidae having the pronotum in
both sexes with a rather large apical tubercle and postapical oval
impression, never armed with long horns in the male; apex of
clypeus upturned, obtusely acuminate or broadly rounded; anten-
nal club in our species with joints equal; sutural striae of elytra
entire; outer angle of tip of hind tibiae deeply notched; pygidium
of male regularly convex, in female, broadly transversely im-
pressed, with impression smooth, shining.

*168. (13888). A. cognatus Csy., 1915, 236.
Length 28-30 mm. Elongate convex, sides parallel, very robust; dark
reddish-brown, polished, head and front tibiae darker; head thickly, coarsely
transversely rugose-punctate; clypeal apex broadly and obtusely rounded;
front half of pronotum, including the impression, rugose with coarse, wavy
transverse lines enclosing rather coarse punctures, the apical tubercle
stout, its apex feebly notched, basal half minutely very sparsely punctate;
hind tarsi subequal in length to tibiae, the tarsal joint as long as width of
Described from Kissimmee. Dunedin, Jan. 17; a single female
from beneath a log.

*169. (13889). A. splendens (Beauv.).
Length 26-30 mm. Oblong, suboval, stouter and shorter than cognatus;
dark chestnut-brown, strongly shining; clypeal apex of male upturned;
thorax shorter, with subapical impression larger than in cognatus, sculp-
tured much as there; hind tarsi much shorter than tibiae, the basal joint
distinctly shorter than width of pronotum.
Tampa, very rare (Sz.); St. Petersburg (Schf.). Lakeland,
May 8; Big Pine Key, Oct. (Day.). Sarasota, Bradentown and


Dunedin, Jan. 26-June 15, a dozen or more specimens at light and
crawling along sandy paths and roadsides (B1.).


Very large brown or blackish beetles, the males having a very
deep pronotal cavity armed each side of its hind margin by a
conspicuous curved horn, the apical tubercle of the preceding
genera also prolonged into a similar horn; the pronotum of fe-
male with a short apical tubercle, the postapical cavity smaller
and more shallow than in Anastrategus, but rugosely sculptured
as there; mandibles strongly toothed on outer side; sutural
striae of elytra in our species evident only near apex; pygidium
of sexes subequal in size; post-coxal process of prosternum
densely hirsute as in Ligyrus.

170. (13895). S. atrolucens Csy., 1915, 247.
Length 30-34 mm. Upper surface, a shining polished black, beneath,
chestnut-brown; front tibiae blackish; clypeus strongly transversely rugose,
its apex.obtusely rounded; pygidium very short, almost four times as wide
as long.
Florida, without definite station (Csy.). Probably only a
melanistic form of antaeus.
*171. (13896). S. antaeus (Fabr.).
Length 27-32 mm. Above dark chestnut-brown to blackish, beneath dark
reddish-brown; clypeus less coarsely rugose, its apex often subtruncate;
pygidium scarcely three times as wide as long. Pronotal horns of male
variable in length, stoutness and sculpture, always transversely rugose at
base, sometimes also nearly to apex, but usually only sparsely punctate
above the base.
Not rare (Sz.); Buck Key (Sz. Ms.); Gainesville and Fort
Lauderdale (Ag. Coll.); South Jacksonville, Ortega, LaGrange,
Useppa Island and Miami, May-November (Dav.). Ormond, June
12; Dunedin, March 8-Dec. 16; crawling along roadsides (Bl.).
In addition to the above S. julianus Burm. has been recorded
by Wickham from Sevenoaks. As the species is definitely known
only from Mississippi to Texas, the record was probably based
on a specimen of antaeus.

Very large smooth greenish-gray Scarabs, the head of male
bearing a horn which projects backward to meet a longer stouter
forward-projecting one of thorax. Female without thoracic horn


or impression and with only a small median tubercle on head;
front tibiae tridentate; front tarsi of males very long and slender.
*172. (13908). D. tityus Linn.
Length 32-47 mm. Oblong-oval, very convex. Greenish-gray, the elytra
mottled with numerous piceous spots which vary much in size and distri-
bution; female sometimes with entire upper surface piceous-brown; large
thoracic horn of male with a short slender acute one each side of base.
Enterprise, rare (Sz.). Gainesville, "found occasionally be-
neath old logs; abundant beneath arc-lights in July" (Doz.).
Lake Butler (Ag. Coll.); Tampa and Elford (P. B. Coll.). Or-
mond, June 11; Dunedin, June 15; at light (B1.). Apparently
more scarce in Florida than in southern Indiana, where it is of
frequent occurrence. It is the largest Scarab found in eastern
North America and gives off a strong but not unpleasant odor
when handled. The larvae are said to live in rotten wood.

Genus XLVIII. PHILEURUS Latreille.
Elongate-oblong, subdepressed black beetles of large or me-
dium size, resembling Passalus and having the head and thorax
alike in the sexes, the former armed with two short horns or
tubercles, the latter with a single small tubercle at the front
end of a deep longitudinal median groove.
*173. (13911). P. truncatus (Boh.).
Length 26-38 mm. Upper surface and legs black, shining, piceous be-
neath; head in both sexes with two erect processes about as long as head
and curved backward near tip; clypeal apex upturned, acute; apical third
of thorax sharply declivent, the declivity roughly scabrous, elsewhere finely,
sparsely punctate, the tubercle distant from the front margin; elytral striae
regular, rather deep, coarsely punctate; pygidium very finely punctate.
Throughout the State but uncommon. Enterprise, June (Sz.);
St. Augustine (Ham.); LaGrange, June 24; Everglade, August
(Dav.); Lake City and Gainesville (Ag. Coll.); Fruitland Park
(Fall). Ormond, June 12; Dunedin at light, June 10, Oct. 1;
in rotten log, Nov. 19; R. P. Park, June 1 (B1.).
174. (13917). P. sulcifer Csy., 1915, 269.
Length 19-22 mm. Black, shining; head small, in this species and the
next, armed with two small tubercles; thorax less than one-half wider
than long; scutellum wholly smooth. These are the only definite characters
given in Casey's description, distinguishing this so called species from the
next, and it is probably only a form of valgus.
"Louisiana to Florida," (Csy.). No other record.
*175. (- ). P. valgus (Linn.).
Length 19-22 mm. Black, shining, prosternum and front femora pice-


ous; head wider, nearly one-half the width of thorax, the clypeal apex up-
turned, obtuse; thorax three-fifths wider than long, its apical third gradu-
ally declivent, its punctures coarse, crescentic, each enclosing a fine punc-
ture, the tubercle placed near its front margin; basal half of scutellum
with numerous punctures; elytral striae coarsely punctate, intervals alter-
nating in width and height.
Tampa and Enterprise, rare (Sz.). Everglade and Big Pine
Key (Dav.). Dunedin, June 4, at light; Dec. 24, burrowing in
sand near fresh cow dung; R. P. Park, March 18 (B1.). This is
the P. floridanus Csy. (1915, 270), evidently described from a
single Florida male. While he makes some general remarks re-
garding valgus he does not include it in his key, nor give any
characters separating his species from it, though he makes the
P. castaneus Hald., from Alabama, a synonym of it. The same
form as that found in Florida, occurs quite frequently in south-
ern Indiana, so that Casey's name, even if valid, is a misnomer.

Medium sized somewhat rhomboidal Scarabs more or less
flattened above and having the mandibles feebly developed, usu-
ally concealed; front coxae conical, prominent; antennae 10-
jointed (9-jointed in Roplisa), club 3-jointed; pygidium exposed;
tarsal claws simple and equal. In certain genera the side pieces
of the mesosternum (mes-epimera) are projected upward to
form a small plate visible from above at the shoulders between
the thorax and elytra. In flying the Cetonids only partially
raise the elytra and slip the inner wings out from the side. They
feed for the most part on pollen, the sap of trees, or the juices
of fruits, fly about by day and at night or in rainy weather con-
ceal themselves beneath loose bark or other cover.

a. Mes-epimera visible from above; elytra sinuate on the sides behind the
b. Mandibles small, membranous; mentum normal; angles of thorax
not nodulose; color not black.
c. Scutellum covered by the basal lobe of pronotum; head of both
sexes with a clypeal and frontal spine.
cc. Scutellum not covered by the thorax; head unarmed.
-Genera L. and LI. Tribe CETONIINI.
bb. Mandibles with outer part corneus; mentum forming a deep cup-
shaped cavity; thorax with front and hind angles nodulose and
impressed; color wholly black or piceous.


aa. Mes-epimera not visible from above; sides of elytra not sinuate; thorax
subhexagonal; pollen feeding species.

Genus XLIX. Cotinis Burmeister.
Species above the medium in size, having, as in the next three
genera, the mes-epimera visible from above; head in both sexes
with an erect clypeal process and a frontal horizontal spine;
pronotum with an elongate basal lobe almost entirely concealing
the scutellum; side margins of elytra feebly sinuate.
*176. (13931). C. nitida (Linn.).
Length 20-23 mm. Elongate-oval, depressed above; thorax and elytra
velvety green with sides dull yellow; head, under surface and tibiae usually
a brilliant green; femora and sometimes the abdomen dull yellow. Other
characters as above given.
Lake City and Gainesville (Ag. Coll.) ; Cedar Keys, July (P.
B. Coll.) ; Enterprise (Dietz) ; New Augustine (Dav.). Dunedin,
one specimen only, June 5, at light. Formerly listed as an Allor-
hinus, a genus confined to South America. Apparently more
common in some of the northern States than in Florida.

Genus L. EUPHORIA Burmeister.
Species of medium or rather small size possessing the char-
acters of the subfamily and having the head unarmed; apex of
clypeus without teeth; thorax without a basal lobe, the side mar-
gins entire; scutellum wholly visible; side margins of elytra
deeply sinuate; mesosternum with a smooth and glabrous plate
or process between the coxae.

*177. (13935). E. limbalis Fall, 1905. 273.
Length 12-14 mm. Oblong or subrhomboidal, depressed above, almost
glabrous; upper surface shining green, elytra with a few scattered whitish
spots; side margins of thorax narrowly, of elytra more broadly, brownish;
femora and sides of abdomen reddish-brown; ends of ventrals 1-4 each
with an oblong white spot, pygidium with four smaller pale spots; clypeus
oblong, deeply concave, its margins strongly reflexed, apex broadly round-
ed; antennal club of male in this and the next two species much longer
than in female.
This is the "fulgida Fabr. var. Enterprise, common" (Sz.).
Gainesville, May 31 on chinquepin (Ag. Coll.). Biscayne Bay
and Buck Key (Sz. Ms.); Miami (Schf.); Marion Co. and Palm
Beach (Csy.). Chokoloskee, June 1; R. P. Park, Dec. 17, one; in
March and April, very common on the wing in the afternoon
in the paths near the Lodge, burrowing in the edges of a pile


of dirt-covered kitchen refuse, and, attracted by the odor of
leather, flying in numbers about and alighting on my shoes.
Probably occurs throughout the State. Recorded by Wickham
from Enterprise as E. fulgida but that species is of more north-
ern distribution.
*178. (13940). E. inda Linn.
Length 13-16 mm. Oblong-oval, narrowed in front; thorax, stern and
femora thickly pubescent; head and thorax piceous; elytra dull brownish-
yellow with scattered black spots; under surface dark brown, shining; cly-
peus subquadrate, apex broadly rounded, margins narrowly reflexed; meso-
sternal process more than twice as wide as long.
"Rare" (Sz.); Lake City (Ag. Coll.); Lake Okeechobee and
Winter Haven (P. B. Coll.). Gainesville, Oct. 9; "occurs on blos-
soms of various plants but uncommon" (Doz.). Dunedin, taken
but once, Jan. 22, while sweeping in a garden (B1.).

179. (13952). E. nitens Csy.
Length 11.5-14.5 mm. Oblong-oval; above black, very shining, glabrous
and with a strong deep blue tinge, rarely greenish; under surface and legs
shining black, the sterna sparsely pubescent; clypeus as long as wide, sides
parallel, apex obtusely rounded; thorax and elytra coarsely sparsely punc-
tate, the latter with a few vague whitish or tomentose lines or spots.
This is the E. melancholica Horn, nec. Gory, and is listed by
Schwarz as "common"; also by Hamilton from Lake Worth,
and by Schwarz (Ms.) from Biscayne Bay, but it was probably
confused with sepulchralis and its occurrence in the State is
very doubtful, its main distribution being from Kansas to Texas
and Mexico.

*180. (13953). E. sepulchralis (Fabr.).
Length 10-14 mm. Oblong or oblong-oval; above dark brownish-bronzed,
feebly shining, sparsely pubescent; sides of thorax with a submarginal
whitish tomentose line; elytra with numerous short sinuous transverse
whitish lines; under surface and legs polished black with a coppery tinge;
clypeus as in nitens; disk of elytra with two obtuse costae the sides trans-
versely rugose; antennal club of the sexes subequal in length.
Common throughout the State, especially so in spring on the
heads and in the leaf axils of thistles. Recorded from 14 sta-
tions, and at hand from seven others. The description of the
var. floridana Csy. (1915, 32) has no fixed characters to sepa-
rate it from the typical form, and the name is superfluous.
181. (13955). E. scolopacea Casey, 1915, 322.
Length 8.8-11 mm. "Body narrower and more rhomboidal (than in
sepulchralis); pale piceo-rufous, not evidently metallic; sides of thorax sel-


dom even with disintegrated tomentum; elytra narrower, distinctly elon-
gate, the tomentose lines and spots fine" (Csy.).
"North Carolina to Florida; very abundant" (Csy.). No other
Genus LI. STEPHANUCHA Burmeister.
Species closely allied to Euphoria, and by Horn and most
American authors, placed under that name. They differ in hav-
ing the body more convex, and especially in having the apex of
clypeus with four small spiniform teeth, the two median ones
somewhat closer and arising from a common base; thorax with
base rounded, not sinuate as in most species of Euphoria.
*182. (13964). S. areata (Fabr.).
Length 10.5-12 mm. Oblong-oval, convex; head, thorax and under sur-
face black, feebly bronzed; elytra dull yellow, almost glabrous, the narrow
base, humeri, apex and scattered spots on sides, black; thorax thickly
punctate, each puncture bearing a short suberect hair, the sides without
tomentose whitish area; teeth of front tibiae short, triangular.
Gainesville (P. B. Coll.); "rather rare, Jan. 16-Feb. 19; taken
only along sandy roads" (Doz.). Ormond, April 11 (Bl.).
*183. (13965). S. thoracica Csy., 1915, 339.
Length 11.5-11.7 mm. Differs mainly in the thorax having a whitish
tomentose area each side; elytra usually with sutural dark line narrower
and piceous spots on humeri and near apex smaller; teeth of front tibiae
long and spiniform, the lower two slightly bent downward.
"Florida" (Csy.); Gainesville (Schf.). Dunedin, Feb. 2, crawl-
ing along a sidewalk (Bl.).

Oblong, subdepressed black species having the mentum cup-
shaped; mandibles with outer part thickened; clypeus semicir-
cular, strongly reflexed; thorax in Florida species with both
apical and basal angles nodulose; upper surface coarsely, more or
less rugosely punctate; mesosternum not protuberant; last spi-
racle near the hind margin of the fifth ventral. They occur on
the ground, usually beneath chips and stones in or near the
nests of ants.
184. (13972). C. harrisi Kirby.
Length 10-11 mm. Elongate-oblong; black, moderately shining, front
portion of thorax almost smooth, highly polished; disk without an impressed
line; nodulose shining front and hind angles of thorax separated from the
disk by a deep impression; hind portion of mentum deeply and broadly
notched; punctures of upper surface each bearing a short prostrae hair.


Fort Capron, Lake Harney and Tampa, rare (Sz.) ; Lake Worth
(Ham.); Enterprise (C. & L.).
*185. (13979). C. squamulosus Lec.
Length 8.3-8.5 mm. Elongate-oblong; black, rather strongly shining;
thorax coarsely punctate throughout, the punctures of both it and elytra
each bearing a short erect plumose seta; hind portion of mentum sub-
acute, with a small narrow notch; front angles of thorax limited within
by a deep impression, median longitudinal line of disk distinct.
Florida (Horn); St. Augustine (Ham.); Gulfport (Schf.).
Sarasota, Mch. 3, one beneath bark of pine, in company with
ants; Dunedin, Feb. 9, one crawling on a sidewalk (B1.).

This genus and those which follow comprise the tribe Tri-
chiini, in which the mes-epimera are not visible from above;
side margins of elytra not sinuate; scutellum always exposed;
mesosternum not protuberant. In Gnorimella the antennae are
10-jointed; mentum very large with a broad, deep apical sinus;
elytra longer than wide, glabrous; head, pronotum and sterna
densely pubescent; hind tarsi much longer than tibiae.
186. (14013). G. maculosa (Knoch).
Length 12-14 mm. Oblong-oval, subdepressed; black, feebly shining;
elytra brownish-yellow, each with three rows of black spots, the humeral
umbones and a nodule near apex, polished; clypeus transverse, nearly flat,
its apical margin subtruncate, female, deeply sinuate, male; pygidium
pruinose, finely, sparsely pubescent.
Cedar Keys, one specimen (Sz.); Lake City, March (Ag.
Coll.); Winter Haven, Dec. 20 (P. B. Coll.). Apparently scarce
everywhere. I have not taken it in Florida and have but one from
Genus LIV. ROPLISA Casey.
Rather small, narrow, oblong-oval species having the antennae
only 9-jointed; mentum narrower, flat, with a small deep front
sinus; thorax shining, and with an impressed deltoid figure;
hind tarsi and tibiae subequal in length.
187. (14014). R. floridana Csy., 1915, 380.
Length 6.8-8.2 mm. "Head and pronotum shining black, the disk of lat-
ter with an open V-shaped impressed line of yellow tomentum, the mar-
gins also tomentose with yellow; elytra opaque, rufous, the sides broadly
from before the middle, the apex and the suture broadly in more than
apical half, black; legs and abdomen testaceous" (Csy.).
"Florida, two examples" (Csy.). No other record.


Rather small, oblong-oval species, having the upper surface
subglabrous and opaque; thorax black, with a large reversed
deltoid yellow impression on middle; elytra, as in the next genus,
conjointly not longer than wide; front tibiae bidentate, male,.
tridentate, female.
*188. (14015). T. delta (Forst.).
Length 7.8-10 mm. Head black; clypeus and a transverse line between
eyes, yellow; thorax black, all the margins and the deltoid impression, also
two spots on scutellum and a line behind it, yellow; elytra reddish-brown,
each with an oblique wedge-shaped spot between humerus and suture, and
two spots on apical half, black, these spots variable in form and size; pygi-
dium and under surface densely clothed with yellow scales, the former
with median line and apex usually naked.
Frequent throughout the State, occurring from March to De-
cember. At Gainesville it was found on chinquepin blossoms,
April 28, and on flowers of Salvia, Cherokee rose and goldenrod
from June to August (Doz.). At Dunedin and R. P. Park it was
taken from flowers of various kinds, March-December; frequent
at light in June.

This genus comprises the species formerly listed under the
name Trichius. They are oblong, subdepressed species differing
from Trigonopeltastes mainly in lacking the deltoid impression
of thorax and in having the front tibiae bidentate in both sexes.
The thorax is narrower than elytra, rounded at base and, as well
as the head and sterna, thickly pubescent with suberect hairs.
They occur on flowers during the day and fly quickly when ap-
189. (14016). T. piger (Fabr.).
Length 8.5-11 mm. Head and thorax piceous or greenish; elytra red-
dish-brown to piceous, each with two short oblique whitish bars on side,
the space between and behind these blackish; body beneath and pygidium
rufous; elytra in this and the next three species each with two obtusely
convex costae, the flat intervals between them finely and densely punctate;
pygidium and under surface reddish-brown, the former thickly pubescent
and with a white scaly patch at sides; front tibiae of male in this and
texanus without a spur.
Common (Sz.); Crescent City and Tampa (Wick.); St. Aug-
ustine (Fall); Gainesville, May-June, on flowers of Jersey tea,
magnolia, etc. (Doz.); Enterprise (Dietz); Wauchula on wild
rose (Ag. Coll.).


190. (14017). T. texanus (Horn), 1876, 195.
Length 10.5-12.8 mm. Deep black and shining throughout, the elytra
with pale bars on sides long and oblique as in piger; pygidium with an elon-
gate spot of white scales each side; front tibiae of male with inner edge
very broad.
"Occurs in Texas and Florida" (Horn); Lake Worth (Ham.);
Enterprise (Dietz); Gainesville, May 20, on chinquepin (Doz.);
Ft. Myers (Wick.).
*191. (14020). T. rufobrunneus Csy., 1915, 385.
Length 9.7-11.7 mm. Pale red-brown throughout, the area between the
short narrow white bars on sides of elytra a darker brown; pygidium almost
devoid of hairs, the sides each with a dense elongate-oval patch of white
tomentum; thorax narrow, scarcely as wide as long, evenly and closely
punctate throughout.
Gainesville and Enterprise (Dietz); Marion Co., Florida, 12
males (Csy.); Dunedin, March 30-April 13 (Bl.).

*192. (14021). T. obesulus Csy., 1915, 385.
Length 9.3-11.8 mm. Head and pronotum black with faint greenish
lustre; elytra black, the disk in part reddish-brown, the area between and
behind the pale transverse bars on sides always black; pygidium piceous
or rufescent, with pubescence as in rufobrunneus; thorax distinctly wider
than long, the disk rugose-punctate in front, sparsely punctate near hind
Type from Jacksonville (Csy.). Enterprise (Dietz). Ormond,
April 14, Dunedin, April 12, on flowers of wild plum; June 10
at porch light (Bl.).

193. (14025). T. affinis (G. & P.).
Length 8-9.3 mm. Oblong-oval; head, thorax, unddr surface and legs
black with a greenish tinge; elytra usually in large part reddish-brown,
the sides black with the usual two oblique whitish lines and black velvety
space between and behind them; head densely, thorax more sparsely punc-
tate, the latter with a median impressed line; second and fourth intervals
of elytra sparsely punctate; third and fifth in this and the remaining
species but feebly convex; pygidium nude at middle, the apex, base and
white tomentose areas on sides with numerous long white hairs.
Enterprise (C. & L.). La Belle, April 27, common; Deep
Lake, April 12-14 (Day.). As the usual distribution of affinis
is more northern, these records may belong to T. obesulus Csy.

*194. (14027). T. bibens (Fabr.).
Length 10.8-12 mm. Head, thorax, body beneath and legs, bright metal-
lic green; elytra reddish-brown, with umbone, and often a spot at apex,
of fifth interval green, the usual two white lines on sides wholly wanting;
intervals almost equal in width, the second and fourth rather thickly and


finely punctate; head and thorax clothed with short erect hairs, sterna
densely pubescent; pygidium sparsely pubescent throughout.
Dunedin, April 15, one taken while sweeping herbage in pine
woods. No other state record.

195. (14028). T. viridulus (Fabr.).
Length 9-10.7 mm. Deep metallic green throughout; sides of elytra as
in bidens with mere traces of the pale bands and without the usual opaque
velvety spaces, the intervals subequal in width and irregularly punctate;
pygidium sparsely pubescent, but with a narrow white tomentose area on
sides; front tibiae of male, as in bibens, with the two teeth small and ap-
proximate; those of female much longer, acute and relatively more distant.
Enterprise, rare (Sz.); St. Augustine (Ham.). Gainesville,
rare, May 23, on flowers of dwarf papaw and chinquepin (Doz.);
May 31, on wild rose (Ag. Coll.); Ft. Myers and LaBelle, April

195a. (14028a). T. viridulus semiviridis (Csy.), 1915, 389.
Differs from the typical form in having the elytra testaceous with
feeble green lustre, darker green at the humeri and external apical angles;
pale transverse lines of elytra more distinct, the hind one much longer;
pygidium with lateral tomentose areas larger, almost meeting across the
Marion Co., Florida (Csy.). Enterprise (Dietz).

*196. (14029).. T. lunulatus Fabr.
Length 9-11 mm. Blue-back throughout; elytra with the usual whitish
transverse lines distinct; also with a prominent post-scutellar dash of
white tomentum; entire upper surface sparsely clothed with erect bristly
hairs, those of scutellum very conspicuous; elytral intervals alternating
somewhat in width and convexity, all sparsely and relatively coarsely punc-
tate; pygidium almost nude at middle, the sides as well as those of fifth
ventral with elongate spots of white tomentum.
La Belle, South Bay of Lake Okeechobee, and Deep Lake,
April 12-May 2, common (Dav.). Gainesville, May 26 (Fattig).
R. P. Park, April 6, on flowers of dwarf palmetto (Bl.).

Vol. XI (1927) p. 45, line 23, "one" should be "ones."
Vol. XI (1927) p. 60, Subfamily VIII, DYNASTINAE should be Subfamily
IX, and Subfamily IX, CETONIAE should be Subfamily X.
Vol. XII (1928) p. 26, No. 60 should be A. solitarius Blatch.
Vol. XIII (1929) p. 53, No. 108 should be P. ephilida (Say).


The insect collection at the Utah Agricultural Experiment Sta-
tion has been expanding noticeably during the past few years;
however at the present time only a small portion of the insects
have been named. The writer takes this opportunity to thank
Dr. E. C. Van Dyke, Mr. J. N. Knull, and Mr. M. C. Lane for their
kindness in determining much of the material herein recorded.

Cicindela pusilla Say
Lynndyl, July 1, 1929 (Knowlton); Lewiston, June 16, 1924 (Knowlton).
Cicindela imperfect Lee.
Lewiston, June 16, 1924 (Knowlton).

Necrophorus marginatus Fab.
Logan, June 21, 1928 (Knowlton). Also collected at Franklin, Idaho,
May 24, 1923 (Knowlton).
Silpha ramosa Say
Bountiful, June 2, 1929 (Pack); Corinne, June 5, 1929 (Knowlton); Lew-
iston, October 10, 1929 (Pack).
Silpha bituberosa Lec.
Larvae defoliating young sugar-beet plants at West Weber, May 1927
(Knowlton); Hooper, May 1927 (Knowlton).

Gyrohypnus gularis (Lec.)
Greenville, May 10, 1923 (Knowlton); Logan, April 17, 1923 (Knowlton).

Collops reflexus Lec.
Logan, July 9, 1923 (Knowlton).

Trichodes ornatus Say
In flowers of sego lily at Logan, June 21, 1923 (Knowlton); Clarkston,
July 1925 (Knowlton).

'Contribution from Department of Entomology, Utah Agricultural Ex-
periment Station
*Unless otherwise indicated, locality is in Utah.
Publication authorized by Director, March 7, 1930.


Trichodes nutalli Kby.
Clarkston, June 15, 1927 (Knowlton); Logan, June 21, 1923 (Knowlton);
Wellsville, July 29, 1903.
Hydnocera scabra Lec.
Bountiful, August 16, 1929 (Pack).
Pyrota terminate Lec.
Logan, July 1923 (Knowlton).
Epicauta puncticollis (Mann.)
Brigham City, July 5, 1929 (Knowlton and Bowen); Damaging alfalfa-
seed crop blossoms west of Smithfield, July 3, 1923 (Knowlton).
Epicauta ferruginea (Say)
Benson, July 21, 1909 (Hoff); Blue Creek,, July 26, 1929 (Knowlton);
Bountiful, August 18, 1929 (Pack and Janes); Cache Junction, August 12,
1909 (Titus); Logan, August 19, 1927 (Knowlton); Pleasant. Valley, July
18, 1906.
Epicauta sericans Lec.
On beets at Bear River City, August 10, 1927 (Knowlton); on beets at
Logan, July 10, 1907 (Horton); Salt Lake City, June 14, 1908 (Titus).
Epicauta maculata (Say)
Corinne, June 27, 1929 (Knowlton and Bowen); Curlew, August 20, 1929
(Knowlton); sugar-beets at Fielding, September 2, 1925 (Knowlton);
Grantsville, August 6, 1929 (Knowlton); Lake Point September 24, 1929
(Knowlton); Newton, July 1923 (Knowlton); on beets at Saratoga, August
26, 1929 (Knowlton); Skull Valley, June 26, 1929 (Knowlton and Bowen);
Smelter, July 18, 1909 (Titus); Snowville, August 5, 1929 (Knowlton);
Taylorsville, June 25, 1929 (Knowlton).
(To be continued)

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