SeasonalityAdults of this species have been collected in May to July.
IdentificationMember of the inaequale group (subgenus Bracteon). Largest species in the group, characterized by the braod base of the prothorax and the strong basal margin inside shoulders of elytra. Brassy, inner intervals of eltra, notably the 3rd, and often disc of prothorax, cupreous or purplish, silver spots greenish or golden; 1st antennal segment and tibiae more or less pale. Elytra with only faintest suggestion of transverse basal impression, 4th stria straight. Length 6.0 to 7.5 mm.