Maechidius babyrousa is a species of beetle of the family Scarabaeidae. It is found in Indonesia (Sulawesi), where it occurs in lowland rainforests.
Adults reach a length of about 6.95âÂÂ8.20 mm. The dorsum is uniformly black to black-brown (with the elytra somewhat paler brown than the forebody). The labroclypeus, mouthparts, legs and venter are castaneous.
The species is named after Babyrousa, a genus of enigmatic Suidae endemic to Sulawesi and the Moluccas.