Halictus lusorius Cresson, 1872:252, ♀. 2 ♀♀, Texas (leg. Belfrage); Gibbs et al., 2013Gibbs, J., L. Packer, S. Dumesh & B.N. Danforth 2013. Revision and reclassification of Lasioglossum (Evylaeus), L. (Hemihalictus) and L. (Sphecodogastra) in eastern North America (Hymenoptera: Apoidea: Halictidae). Zootaxa 3672 (1):1-117.:83, Lectotype ♀ (ANSP, 2115). - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution). - As Evylaeus lusorius: - 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 lusorium: - Gibbs et al., 2013Gibbs, J., L. Packer, S. Dumesh & B.N. Danforth 2013. Revision and reclassification of Lasioglossum (Evylaeus), L. (Hemihalictus) and L. (Sphecodogastra) in eastern North America (Hymenoptera: Apoidea: Halictidae). Zootaxa 3672 (1):1-117. (distribution).
Halictus galpinsiae Cockerell, 1903:242, Gibbs et al., 2013Gibbs, J., L. Packer, S. Dumesh & B.N. Danforth 2013. Revision and reclassification of Lasioglossum (Evylaeus), L. (Hemihalictus) and L. (Sphecodogastra) in eastern North America (Hymenoptera: Apoidea: Halictidae). Zootaxa 3672 (1):1-117.:84, Holotype ♀ (UCMC).
Halictus gelidus Vachal, 1904:481, ♂. Holotype ♂, Morrison (Hofmuseum (Vienne)); Rasmussen, 2012Rasmussen, C. 2012. Joseph Vachal (1838–1911): French entomologist and politician. Zootaxa 3442:1-52.:29, Holotype ♂ (NMW). - Rasmussen, 2012Rasmussen, C. 2012. Joseph Vachal (1838–1911): French entomologist and politician. Zootaxa 3442:1-52.:29 ( listed as synonym of Lasioglossum aberrans (Crawford, 1903)).