The deerfly, a
genus of biting flies with about 80 North American species, characterised by a splotched
wing pattern;
Chrysops discalis is a
vector of Francisella tularensis in the U.S.;
Chrysops dimidiatus and
Chrysops silaceus are the principal vectors of
Loa loa in
west Africa.
Origin: G. Chrysos, gold, + ops, eye