Oncocephala bicristataOncocephala bicristata is a species of beetle of the family Chrysomelidae. It is found in Indonesia and the Philippines.DescriptionAdults reach a length of about 4.8–5.5 mm. The head, pronotum and elytra are brown with a black tinge, while the legs are brown and the antennae are dark brown.Life historyNo host plant has been documented for this species.