Eastern Cape

Macroderes fornicatus Sharp

Macroderes fornicatus Sharp, habitusMacroderes fornicatus is similar to M. mutilans and M. bias in having elytral intervals almost flat and matte, but can be separated from the former species by having punctate lateral border of pronotum and from the latter by having elytra more rounded apically and elytral stria 9 distinctly separated from stria 10. From both species it also differs in the shape of the internal sac sclerite.

Macroderes fornicatus is known from Cape Peninsula.

Macroderes bias (Olivier)

Macroderes bias (Olivier), habitusMacroderes bias is similar to M. mutilans and M. fornicatus in having elytral intervals almost flat and matte, but can be separated from them by having more tapered, shield-shaped elytra in males, elytral stria 9 very close to stria 10, and long internal sac sclerite with feebly sclerotized apex. From the former species it can also be separated by having punctate lateral border of pronotum. Body length: 8.2–12.0 mm.

Macroderes bias is known from South Africa, mostly from Eastern Cape Province ranging up to Uniondale in the west.