Amiserica costulataAmiserica costulata is a species of beetle of the family Scarabaeidae. It is found in eastern-central and eastern Nepal and western Darjeeling.DescriptionAdults reach a length of about 6.5-6.7 mm. They have a dark brown, elongate-oval body. The elytra are yellow-brown with dark speckles. The surface is dull except for the shining head. The upper surface is mostly hairy, except for some unpunctured patch-like glabrous areas.