Symmela mutabilisSymmela mutabilis is a species of beetle of the family Scarabaeidae. It is found in Brazil.DescriptionAdults reach a length of about 6.2 mm. The head is black, dull and iridescent, with erect, sparse setae. The pronotum is black and dull but iridescent. The elytra are black, with the posterior half dark. The surface is opaque and without setae.