Canthophorus

Body oval, slightly widened behind middle, moderately convex, blackish or dark brown, glabrous, almost always with blue or purple metallic sheen. Head with jugae contiguous in front of clypeus, lateral margins considerably elevated above clypeus; eyes large, spherical, not strongly protruding beyond lateral margins of head; dorsal surface of head with thin dense punctuation. Antennae 5-segmented. Pronotum with lateral margins gradually convex, bordered by smooth, rounded yellowish rib widening anteriorly; anterior angles obtusely rounded, reaching outer margins of eyes; punctuation rather dense, with points slightly larger and deeper than on head. Scutellum with punctuation dense, slightly deeper than on pronotum. Hemelytra with lateral margins convex, with smooth rounded yellowish ribs tapering posteriorly and not reaching posterior outer corner of corium; membrane not or slightly projecting beyond apex of abdomen, uniformly brownish or whitish. Prosternum with shallow groove, margins smooth, not lamellar or carinate. Mesosternum convex, transversely finely rugose, without groove, with thin longitudinal carina. Legs without light patches. Abdomen without light stripes or spots on venter and connexivum.

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