Halictus imitatus Smith, 1853:71, ♂. ♂, North America (E. Doubleday, Esq.); Cockerell, 1905Cockerell, T.D.A. 1905. Notes on some bees in the British Museum. Transactions of the American Entomological Society 31:309-364.:350, Type ♂ (British Museum). - As Dialictus imitatus: - Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538. (distribution), 400 (comb. nov.); 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 imitatum: - Owens et al., 2018Owens, B.E., L. Allain, E.C. van Gorder, J.L. Bossart & C.E. Carlton 2018. The bees (Hymenoptera: Apoidea) of Louisiana: An updated, annotated checklist. Proceedings of the Entomological Society of Washington 120 (2):272-307. (distribution). - As Lasioglossum imitatus: - Pascarella, 2006Pascarella, J.B. 2006. The bees of Florida. . (distribution).
Halictus inconspicuus Smith, 1853:73, ♀. ♀, North America (B.M.); Cockerell, 1905Cockerell, T.D.A. 1905. Notes on some bees in the British Museum. Transactions of the American Entomological Society 31:309-364.:349, Type ♀ (British Museum). - 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.:1967 ( listed as synonym of Dialictus imitatus (Smith, 1853)). - As Dialictus inconspicuus: - Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538. (distribution). - As Lasioglossum inconspicuus: - Pascarella, 2006Pascarella, J.B. 2006. The bees of Florida. . ( listed as synonym of Lasioglossum imitatus Smith, 1853).
Halictus stultus Cresson, 1872:254, ♀. 10 ♀♀, Texas (leg. Belfrage). Synonymized with Dialictus inconspicuus (Smith, 1853) by Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538.:400. - Robertson, 1895Robertson, C. 1895. Notes on bees, with descriptions of new species. Transactions of the American Entomological Society 22 (2):115-128. (distribution); Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (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); 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.:1967 ( listed as synonym of Dialictus imitatus (Smith, 1853)).
Chloralictus sparsus Robertson, 1902:249 (key), 250 (key), ♂♀ - Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538.:400 ( listed as synonym of Dialictus inconspicuus (Smith, 1853)); 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.:1967 ( listed as synonym of Dialictus imitatus (Smith, 1853)). - As Lasioglossum sparsum: - Michener, 1947Michener, C.D. 1947. Bees of a limited area in southern Mississippi (Hymenoptera; Apoidea). The American Midland Naturalist 38 (2):443-455. (distribution).
Halictus hortensis Lovell, 1905:39 - 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); Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538.:400 ( listed as synonym of Dialictus inconspicuus (Smith, 1853)); 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.:1967 ( listed as synonym of Dialictus imitatus (Smith, 1853)).