Brachiacantha aurantiapleura is a species of beetle of the family Coccinellidae. It is found in Costa Rica.
Description Adults reach a length of about . The dorsal colour is black with the head and the angles of the pronotum yellow in males. Both sexes have a large lateral orange macula on each elytron. The dorsal surface has a slightly golden sheen.
Etymology The species name is derived from Latin aurantius (meaning orange) and pleurón (meaning sides) and refers to the dorsal colour pattern.
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