Halictus ellisiae Sandhouse, 1924:11, ♀. Holotype ♀, Forest Hills, Massachusetts, August 5, 1911 (U.S.N.M., No. 26400, leg. Dr. W.M. Wheeler); Gibbs, 2009Gibbs, J. 2009. Integrative taxonomy identifies new (and old) species in the Lasioglossum (Dialictus) tegulare (Robertson) species group (Hymenoptera, Halictidae). Zootaxa 2032:1-38.:16, Holotype ♀ (NMNH, No. 26400); Gardner & Gibbs, 2023Gardner, J. & J. Gibbs 2023. Revision of the Nearctic species of the Lasioglossum (Dialictus) gemmatum species complex (Hymenoptera: Halictidae). European Journal of Taxonomy 858:1-222.:61, Holotype ♀ (USNM, no. 26400). Synonymized with Dialictus tegularis (Robertson, 1890) by Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538.:423. - 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.:1972 ( listed as synonym of Dialictus tegularis (Robertson, 1890)). - As Lasioglossum ellisiae: - Gibbs, 2009Gibbs, J. 2009. Integrative taxonomy identifies new (and old) species in the Lasioglossum (Dialictus) tegulare (Robertson) species group (Hymenoptera, Halictidae). Zootaxa 2032:1-38. (distribution), 18 (comb. nov.); Corbin et al., 2021Corbin, L.A.-J., D.N. Awde & M.H. Richards 2021. Phenological and social characterization of three Lasioglossum (Dialictus) species inferred from long-term trapping collections. Journal of Hymenoptera Research 88:17-38. (biology, distribution); Gardner & Gibbs, 2023Gardner, J. & J. Gibbs 2023. Revision of the Nearctic species of the Lasioglossum (Dialictus) gemmatum species complex (Hymenoptera: Halictidae). European Journal of Taxonomy 858:1-222. (distribution).
Halictus hunteri Crawford, 1932:72 Synonymized with Lasioglossum ellisiae (Sandhouse, 1924) by Gardner & Gibbs, 2023Gardner, J. & J. Gibbs 2023. Revision of the Nearctic species of the Lasioglossum (Dialictus) gemmatum species complex (Hymenoptera: Halictidae). European Journal of Taxonomy 858:1-222.:61. - As Dialictus hunteri: - 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 hunteri: - 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).