Maechidius boessnecki is a species of beetle of the family Scarabaeidae. It is found in Indonesia (Sulawesi).
Adults reach a length of about 8.45 mm. The dorsum is black-brown, while the labroclypeus, antennae, legs and venter are brown. The head is glossy dorsally and slightly convex on the frons.
The species is named in honour of the malacologist Ulrich BöÃÂneck.