Cephaloleia antennata is a species of beetle of the family Chrysomelidae. It is found in Brazil (Amazonas), Ecuador and Peru.
Adults reach a length of about 6.5âÂÂ7.1 mm. Adults are reddish-yellow, with antennomeres 1âÂÂ7, a medial line on the pronotum, scutellum, and elytral suture and humeri darker. The head has a blackish band on the vertex. Antennomeres 8âÂÂ11 are yellow.