Musca osiris is a species of fly in the genus Musca. It and Musca vitripennis are the only two species of Musca native to the Palearctic realm, according to Willi Hennig.[1]
. Peter Skidmore . The biology of the Muscidae of the world . . Lecture Notes in Mathematics 1358 . 1985 . 90-6193-139-8.