Halictus pruinosiformis Crawford, 1906:284 - Cockerell, 1906Cockerell, T.D.A. 1906. The bees of Florissant, Colorado. Bull. American Mus. Nat. Hist. 22:419-455. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Cockerell, 1907Cockerell, T.D.A. 1907. The bees of Boulder County, Colorado. University of Colorado Studies 4:239-259. (distribution); Cockerell, 1917Cockerell, W.P. 1917. Collecting bees in southern Texas. Journal of the New York Entomological Society 25:187-193. (distribution); Cockerell, 1919Cockerell, T.D.A. 1919. The bees of Gold Hill, Colorado. The Canadian Entomologist 51:271-273. (distribution); Cockerell, 1919Cockerell, T.D.A. 1919. The bees of the Rocky Mountain National Park (Hymenop.). Entomological News and Proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia 30 (10):286-294. (distribution); Sandhouse, 1924Sandhouse, G.A. 1924. New American species of bees belonging to the genus Halictus (Chloralictus). Proceedings of the United States National Museum 65 (2532):1-43. (distribution); Cockerell, 1930Cockerell, T.D.A. 1930. Bees from Mesa Verde, Colorado, in the American Museum of Natural History. American Museum Novitates 397:1-8. (distribution). - As Dialictus pruinosiformis: - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution). - As Lasioglossum pruinosiforme: - Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution).
Halictus glaucovirens Cockerell, 1919:290, ♀. ♀, Longs Peak trail, above timber line, July 20, 1919 (leg. Cockerell). - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1970 ( listed as synonym of Dialictus pruinosiformis (Crawford, 1906)).
Halictus exalbidus Sandhouse, 1924:24, ♂. Holotype ♂, Sante Fe, New Mexico, August (U.S.N.M., No. 26420, leg. Cockerell). - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1970 ( listed as synonym of Dialictus pruinosiformis (Crawford, 1906)).