Halictus nevadensis Crawford, 1907:195 - Cockerell, 1916Cockerell, T.D.A. 1916. Sunflower insects in California and South Africa. The Canadian Entomologist 48:76-79. (distribution); Cockerell, 1937Cockerell, T.D.A. 1937. Bees from San Miguel Island, California. The Pan-Pacific Entomologist 13 (4):148-156. (distribution). - As Dialictus nevadensis: - 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 nevadense: - Wilson et al., 2010Wilson, J.S., L.E. Wilson, L.D. Loftis & T. Griswold 2010. The montane bee fauna of north central Washington, USA, with floral associations. Western North American Naturalist 70 (2):198-207. (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 pasadenae Michener, 1936:285, ♂♀. Holotype ♀, California: Pasadena, March 14, 1934. - 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.:1968 ( listed as synonym of Dialictus nevadensis (Crawford, 1907)).