BioStor
 | The type-species of the North American genera of Diptera D W Coquillett (1910) Proceedings of the United States National Museum 37: 499-647 |
 | Collecting notes from the Great Basin and adjoining territory (Dipt., Col.) J M Aldrich (1913) Entomological News 24: 214-221 |
 | Contribution to a monograph of the American Syrphidae from North of Mexico C Howard Curran (1925) Kansas University Science Bulletin 15(1): 7-216 |
 | Some Alaskan Syrphid flies, with descriptions of new species (1949) Proceedings of The United States National Museum Washington 100: 39-54 |