University of Alberta E.H. Strickland Entomological Museum
SeasonalityAdults usually collected in July and August.IdentificationMember of the melanarius group, (subgenus Omaseus). Deep black, the appendages in part dark piceous. At once recognized by the denticulate hind-angles of the prothorax; basal fovea is bistriate, with a more or less pronounced tubercle in the center; lateral carina is strong. Elytral striae moderately deep with rudimensts of punctures, intervals moderately convex. Length 12 to 19 mm.
Royal Alberta Museum page
Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum