SeasonalityAdults collected from May to September.
IdentificationMember of the corvinus group, (subgenus Omaseus). Very convex. Deep black, shiny, appendages slightly paler. Prothorax only moderately constricted at base, hind-angles almost right, blunt, basal foveae deep, more or less punctate, lateral carina strong. Elytral striae finely punctate with convexity, depth and intervals, respectively, the former finely punctate. Length 11.5 to 15 mm.