Olfersia

Olfersia are genus of biting flies in the family of louse flies, Hippoboscidae. There are 7 known species.. All species are Parasites of birds..

Distribution

Olfersia are found worldwide with the exception of Australia, but are most abundant in North and Central America.

Systematics

Genus Olfersia Leach, 1817
Species group 'a'
O. sordida Bigot, 1885
Species group 'b'
O. bisulcata Macquart, 1847
O. fossulata Macquart, 1843
O. fumipennis (J. Sahlberg, 1886)
Species group 'c'
O. aenescens C. G. Thompson, 1869
O. spinifera (Leach, 1817)
Species group 'd'
O. coriacea van der Wulp, 1903