Atheta (Carpalimus) usingeri, Bernhauer, 1942

Bernhauer, Max, 1942, Coleoptera, Staphylinidae Of Guam, Insects of Guam I, Bernice P. Bishop Museum, pp. 41-44 : 42

3. Trogophloeus (Carpalimus) usingeri , new species.

Deep black, moderately dull, legs only a little brighter. Head narrower than the prothorax, shagreenly punctured. Eyes large, expanded over nearly the whole side, moderately flat, the temples very short. Prothorax much narrower than the elytra, about a half wider than long, strongly widened in middle, posteriorly much stronger and almost rectilinearly narrowed, before the posterior edge for the whole width with a deep wide curved transverse furrow, open anteriorly, on each side of the middle with a deep longitudinal furrow, between these raised, more shining than the remaining prothorax, the upper surface shagreenly punctured. Elytra about a half longer than prothorax, with prominent shoulders, together somewhat wider than long, fairly equal width, finely and extremely densely punctured, little shining. Abdomen very finely and densely punctured, moderately shining. Length, 1.8-2 mm.

Inarajan , June 8, Usinger

TODO Aremarkable species through its itssmallness and very flat large eyes and ..small temples