COLEOPHASIA Townsend, 1931b: 327. Type species: Hesperophasia pacifica Curran, 1927, by original designation.
pacifica (Curran, 1927).– Oregon, California (S&A, 1965), British Columbia, Idaho, Montana (CNC).
– Hesperophasia pacifica Curran, 1927b: 301. Type data: holotype male (USNM). Type locality: USA, Oregon, Hood River.
Subgenus HESPEROPHASIA Townsend, 1915
HESPEROPHASIA Townsend, 1915m: 220. Type species: Hesperophasia setosa Townsend, 1915, by original designation.
setosa (Townsend, 1915).– Arizona, New Mexico, Mexico, Nebraska to New York, south to Kansas and Maryland (S&A, 1965).
– Hesperophasia setosa Townsend, 1915m: 221. Type data: holotype male (USNM). Type locality: USA, New Mexico, White Mountains, Rio Ruidoso, 6500 feet (on flowers of Geranium atropurpureum).
Subgenus HESPEROPHASIOPSIS Townsend, 1915
HESPEROPHASIOPSIS Townsend, 1915m: 221. Type species: Hesperophasiopsis californica Townsend, 1915, by original designation.
aldrichi (Curran, 1927).– Alberta, Saskatchewan, North Dakota (S&A, 1965), Manitoba (CNC).
– Hesperophasia aldrichi Curran, 1927b: 301. Type data: holotype male (CNC). Type locality: Canada, Saskatchewan, Biggar.
californica (Townsend, 1915).– California (S&A, 1965).
– Hesperophasiopsis californica Townsend, 1915m: 222. Type data: holotype male (USNM). Type locality: USA, California, San Diego County.
nigripennis (Curran, 1927).– Oregon, California (S&A, 1965).
– Hesperophasia nigripennis Curran, 1927b: 303. Type data: holotype female (USNM). Type locality: USA, California, Claremont.
Subgenus KIRBYA Robineau-Desvoidy, 1830
KIRBYA Robineau-Desvoidy, 1830: 267. Type species: Kirbya vernalis Robineau-Desvoidy, 1830 (= Tachina moerens Meigen, 1830), by subsequent designation of Robineau-Desvoidy, 1863a: 817 [Palearctic].
There are no species assigned to Kirbya (Kirbya) in America north of Mexico.
