Orcus popperi is a species of beetle of the family Coccinellidae. It is found in Papua New Guinea.

Description Adults reach a length of about . The head and pronotum are greenish and the antennae blackish. The scutellum is black and the elytra are greenish, but darker along the suture, and with a strong metallic reflection.

Etymology The species is dedicated to Karl Popper.

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