72 Trans. Acad. Sci. of St. Louis. 
defined basal angles, punctured in regular series; legs moderately short, 
decidedly slender; abdomen minutely sculptured. America. 
Lathrobiopsis 
Body parallel, normally convex, slender, shining, rather small in size, 
sculptured as in Lathrobium; head well developed, parallel or gradu- 
ally wider toward base, the latter broadly arcuato-truncate, the angles 
rounded; eyes rather small to moderate in size; maxillary palpi 
moderately long and not very stout or decidedly inflated; antennae 
generally very stout and submoniliform, the basal joint thick; neck 
generally a little more than half as wide as the head; prosternum some- 
what longer before the coxae than in Lathrobium; prothorax suboblong- 
elongate, with the apical angles moderately distinct; elytra longer or 
shorter than the prothorax, the punctures frequently arranged in uneven 
series; abdomen parallel, with the sides straight; legs thick and rather 
Short. AMOLICK 6 oa vehi edb bee sos es peogrige SEEPS eee ee eeeeee LAthrobioma 
12— Body slender, parallel, moderately convex,very small in size, coarsely and 
sparsely sculptured, the head broadly truncate at base, with narrowly 
rounded angles, the eyes small and anterior; maxillary palpi short, the 
third joint inflated; antennae moderately long but stout and submonili- 
form; neck half as wide as the head; prosternum rather long in front 
of the coxae, the prothorax oblong-elongate, with the sides rounded at 
apex; elytra shorter than the prothorax, with the punctures rather con- 
fused in arrangement; legs moderate in length and thickness; abdomen 
parallel. AMeELriCa......--seccececceeveccvecesececcee eee Lathrolepta 
13 — Posterior tarsi larger and more elongate, with the first joint distinctly 
shorter than the second. Body larger, broader and more fusiform, 
with the head relatively small, rounded at base, the eyes more or less 
well developed, the antennae long, slender, filiform, not incrassate dis- 
tally, the labrum short, truncate, with a small and broadly angular 
median emargination, the lobes usually broadly, feebly oblique poste- 
riorly and inwardly; gular sutures widely separated, distinct; proster- 
num moderately developed before the coxae; neck one-third as wide 
as the head; abdomen minutely, densely punctate and dull; elytral punc- 
tures irregular, NOver SOriGl, « + 6:46 Soke cee weld nbb becbhele We hscieebanbae ae 
Posterior tarsi smaller, more slender and filiform, the first joint distinctly 
longer than the second, the fifth about as long as the first two combined: 
Body smaller, extremely slender, linear and subparallel, the head 
relatively larger, oblong-elongate, arcuately truncate at base, with the 
angles rounded, the eyes rather well developed; labrum short, truncate» 
much narrowed at base, with the usual small median emargination, the 
lobes narrowly rounded externally; maxillary palpi shorter, somewhat 
strongly inflated, the fourth joint strongly retractile; gular sutures 
moderately separated, feebly arcuate, slightly diverging toward base, 
effaced throughout and traceable only by the arrangement of the 
punctures; antennae moderately thick, distinctly incrassate distally ; 
prosternum much elongated before the coxae; prothorax much elon- 
gated, with the angles rounded; elytral punctures; disposed in coarse 
impressed regular lines; anterior tarsi less strongly dilated; neck rather 
more than a third as wide as the head; legs rather short and slender. 
EULOPe . occas cccccccccccesccvee: cossepecovessevccsccesse *PSOUGODIUM 
