PiophilaPiophila is a genus of small flies which includes the species known as the cheese fly. Both Piophila species feed on carrion, including human corpses.DescriptionPiophila are small dark flies with unmarked wings. The setulae on the thorax are confined to three distinct rows.SpeciesThere are two species in the genus Piophila:Piophila casei, the cheese flyPiophila megastigmata J. McAlpine, 1978