Miridiba bannaensis is a species of beetle of the family Scarabaeidae. It is found in China (Yunnan) and Vietnam.
Adults reach a length of about 19.4âÂÂ20.4 mm. They have a strongly convex, oval-elongate body. The head, pronotum, scutellum and legs are dark reddish brown, while the antennae, elytra and abdomen are dark brown to dark reddish brown. The dorsal surface is glabrous.
The species is named after its type locality, Xishuangbanna.