Brachiacantha papiliona is a species of beetle of the family Coccinellidae. It is found in Costa Rica and Panama.
Description Adults reach a length of about . The dorsal colour is pale yellow with a black macula. Part of the elytral suture is black, and there is a sub-apical black spot, as well as a large black spot on the anterior margin.
Etymology The species name refers to the basal elytral spot in the shape of butterfly wings.
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