Cephaloleia funesta is a species of beetle in the family Chrysomelidae. It is found in Argentina, Bolivia, Brazil (Rio de Janeiro, Santa Catharina) and Paraguay.
Adults reach a length of about 5.7âÂÂ6.1 mm. Adults are shining black, with the basal palpomeres lighter.
The recorded host plants for this species are Canna species, Maranta divaricata, Pharus glaber, as well as Cordyline species.