Elongate; black. Head: smooth, impunctate; front with three
sulci; interocular space produced. Antennae: nearly half body
length; filiform, slender; slightly thickened to apex; segments
cylindrical; I-II short, subequal in length. Pronotum: wider
than long; subconical; side margins converging from base to apex;
transversely convex; depressed behind middle, closely punctate;
basal margin raised. Elytra: side margins parallel, slightly
enlarged to apical angles; apices obtusely rounded; outer margin
nearly entire, obsoletely serrate behind middle and at apex; 8
regular rows of punctures plus short scutellar row; tricostate.
Total length: 3.7 mm.
