Musca osiris
Encyclopedia
Musca osiris is a species of fly
Fly
True flies are insects of the order Diptera . They possess a pair of wings on the mesothorax and a pair of halteres, derived from the hind wings, on the metathorax...

 in the genus Musca
Musca (genus)
Musca is a genus of flies. It includes Musca domestica , as well as Musca autumnalis . It is part of the family Muscidae.-Species List:*M. albina Wiedemann, 1830...

. It and Musca vitripennis
Musca vitripennis
Musca vitripennis is a species of fly in the genus Musca. According to Willi Hennig, M. vitripennis is one of only two species of Musca native to the Palearctic, the other being Musca osiris. The two species are frequently confused with each other....

are the only two species of Musca native to the Palearctic, according to Willi Hennig
Willi Hennig
Emil Hans Willi Hennig was a German biologist who is considered the founder of phylogenetic systematics, also known as cladistics. With his works on evolution and systematics he revolutionised the view of the natural order of beings...

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