Perdita halictoides Smith, 1853:128, ♀. ♀, N. America (F. Smith). - Cockerell, 1896Cockerell, T.D.A. 1896. The bees of the genus Perdita F. Smith. Proceedings of the Academy of Natural Sciences of Philadelphia 48:25-107.:77 (listed); Timberlake, 1958Timberlake, P.H. 1958. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part III. University Of California Publications In Entomology 14 (5):303-410. (distribution); Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538. (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. (distribution); Pascarella et al., 1999Pascarella, J.B., Waddington, K.D. & Neal, P.R. 1999. The Bee Fauna (Hymenoptera: Apoidea) of Everglades National Park, Florida and adjacent areas: Distribution, Phenology, and Biogeography. Journal of the Kansas Entomological Society 72 (1):32-45. (distribution); Pascarella, 2006Pascarella, J.B. 2006. The bees of Florida. . (distribution); Paiero et al., 2010Paiero, S.M., S.A. Marshall, P.D. Pratt & M. Buck 2010. Insects of Ojibway Prairie, a southern Ontario tallgrass prairie. In: Shorthouse J.D. & Floate, K.D. (Ed.). Arthropods of Canadian Grasslands (Volume 1): Ecology and Interactions in Grassland Habitats. 199-225. (distribution).
Perdita sexmaculata punctata Cockerell, 1896:71, ♀.Fort Collins, Colorado, Aug. 8, 1895. - 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.:1894 ( listed as synonym of Perdita halictoides Smith, 1853).
Perdita maura Cockerell, 1901:191 Synonymized with Perdita halictoides 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.:318. - Timberlake, 1958Timberlake, P.H. 1958. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part III. University Of California Publications In Entomology 14 (5):303-410. (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.:1894 ( listed as synonym of Perdita halictoides Smith, 1853); Michener, 2000Michener, C.D. 2000. The Bees of the World. The John Hopkins University Press, Baltimore and London. 1-913.:303 ( listed as synonym of Perdita halictoides Smith, 1853).
Perdita bisignata Cockerell, 1922:11, ♀. 2 ♀♀, Indiana: Lafayette, about 550 ft. alt., August 16, 1920. - Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538.:318 ( listed as synonym of Perdita halictoides 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.:1894 ( listed as synonym of Perdita halictoides Smith, 1853).