Olfersia is a genus of biting flies in the family of louse flies, Hippoboscidae. The genus was erected by William Elford Leach in 1817. There are seven known species, and all 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
References


