Genus Trichopsomyia Williston

Trichopsomyia Williston, 1888:259 . Type species, polita Williston (Hull, 1949b: 330) .

Refs.: Fluke, 1937 (key); Thompson, 1972a:99 (desc.); Thompson, 1981:116 (desc. and syn.; Thompson, 1999a:332 (key).

Halictomyia Shannon, 1927:13 . Type species, boliviensis Shannon (orig. des.).

Parapenium Collin, 1952:85 . Type species, Pipiza carbonaria Meigen (orig. des.).