Cephaloleia waterhousei is a species of beetle of the family Chrysomelidae. It is found in Brazil (District Federal, RÃÂo de Janeiro, Rondonia, Santa Catharina) and Ecuador.
Adults reach a length of about 7âÂÂ7.9 mm. Adults are dark yellowish, with the antennae (except for the apex of antennomere 11, which is yellowish) and apical two-thirds of the elytron black.