Deroserica koelleriDeroserica koelleri is a species of beetle of the family Scarabaeidae. It is found in India.DescriptionAdults reach a length of about 6.6–7.1 mm. They have a black, oval body, with reddish brown elytra and yellowish antennae and hairs. The dorsal surface is dull.EtymologyThe species is named for its collector, Köller.