Genus Triarthria Stephens

Triarthria Stephens, 1829a: 59, 1829b: 300 . Type species, Tachina spinipennis Meigen (subs. des. Crosskey, 1974: 296) (= Tachina setipennis Fallén). Refs.: Guimarães, 1971a: 88 (cat., as Parkerella); O’Hara, 1996: 16 (rev., key to species). Parkerella Townsend, 1942: 149 . Type species, parva Townsend (orig. des.).