Miridiba coxalis is a species of beetle of the family Scarabaeidae. It is found in Malaysia (Sarawak).
Adults reach a length of about 22âÂÂ19.8 mm. The dorsal surface is glabrous. The scutellum has scattered punctures and the elytral surface is glabrous, at most with tiny setae on each puncture, and with weakly defined striations. The punctures are distributed between the striations.