Male. Medium-sized, moderately robust; head, thorax, base of clypeus, club of antennae and underside usually black or brownish-black, otherwise brownish. Upper surface sparsely clothed with yellow hairs; underside densely covered with white scale-like hairs. Head densely, variolately punctate, often with a small irregular smooth space on the vertex; clypeal suture moderately impressed; clypeus prominent, usually moderately reflexed, truncate at apex, the angles rather narrowly rounded, the sides faintly rounded or sub-parallel, closely coarsely punctate.