Subgenus Trichodagmia Enderlein

Trichodagmia Enderlein, 1934a: 288 (as genus).

Type species, Trichodagmia latitarsis Enderlein, 1934 (orig. des.) = Simulium townsendi Malloch, 1912 . Refs.: Adler & Crosskey, 2015: 106 (inv.).

Thyrsopelma Enderlein, 1934a: 284 (as genus). Type species, orbitale (Lutz, 1910) (as brasiliense), (orig. des.) Hemicnetha Enderlein, 1934b:190 (as genus). Type species, paynei (Vargas, 1942), as mexicana Enderlein (orig. des.)

Dyarella Varg as et al., 1946: 105 (as subgenus of Simulium). Type species, Simulium mexicanum Bellardi, 1862 (orig. des.)

Hearlea Varg as et al., 1946: 104 (as subgenus of Simulium). Type species, canadense Hearle, 1932 (orig. des.)

Obuchovia Rubtsov, 1947: 90 (as subgenus of Simulium). Type species, albellum (mon.)

Grenieriella Vargas & Díaz Nájera, 1951: 141 (as subgenus of Simulium). Type species, Eusimilium lahillei, 1927 (orig. des.)

Hagenomyia Shewell, 1959: 83 (as subgenus of Simulium) (preocc.). Type species, pictipes Hagen, 1880 (orig. des.)

Shewellomyia Peterson, 1975: 111 (new name for Hagenomyia Shewell, therefore same type species).