Epicaerus (Epicaerus) truquianus Champion 1911

Oblong, narrow and convex (♂), much broader (♀), black; above sparsely clothed with blackish scales, which become cinereous towards the sides and apex, and are here intermixed with short, scattered, decumbent, whitish setæ, the legs and ventral surface also albo-setose. Rostrum short, broad, widened outwards, closely punctate, with an elongate-triangular depression extending upwards to near the small inter-ocular fovea, the depression limited on each side by an oblique ridge and subcarinate down the middle, the eyes not prominent. Prothorax broader than long, margined at the base, gradually narrowing from near the hind angles in ♀, somewhat rounded at the sides and constricted behind in ♂; with irregularly distributed, large, scattered, foveiform punctures intermixed with a close fine interstitial punctuation, and shallowly, interruptedly sulcate down the middle. Scutellum not visible. Elytra oblong-oval, moderately convex and narrow in ♂, broad in ♀, the humeri distinct in this sex; with rows of coarse punctures, the punctures somewhat widely separated in ♀, the interstices almost flat, the alternate ones slightly raised towards the sides and apex in one ♀.
 
Length 8—11, breadth 2 4/5—4½ millim. (♂ ♀.)

Hab. MEXICO (Truqui, in coll. Fry).

One male and two females. Near E. marginatus ( = insolitus), Sharp, the elytra more rounded at the sides anteriorly in the male and with distinct humeri in the female; the prothorax with more numerous foveiform depressions on the disc and the median sulcus shallow or almost wanting; the upper surface (? abraded) more sparsely squamose.