Perdita sexmaculata Cockerell, 1895:12, ♀. ♀, Santa Fé, N. M., July 25th (leg. Ckll.). - 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. (distribution); Cockerell & Porter, 1899Cockerell, T.D.A. & W. Porter 1899. Contributions from the New Mexico Biological Station. - VII Observations on bees, with descriptions of new genera and species. The Annals and Magazine of Natural History ser. 7: v. 4:403-421. (distribution); Cockerell, 1903Cockerell, T.D.A. 1903. North-American bees, and a new Homopteron. The Annals and Magazine of Natural History ser. 7: v. 12:442-455. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Cockerell, 1922Cockerell, T.D.A. 1922. Bees of the genus Perdita from the Western States. American Museum Novitates 33:1-15. (distribution); Timberlake, 1929Timberlake, P.H. 1929. New records and descriptions of bees of the genus Perdita (Hymenoptera). Journal of the New York Entomological Society 37 (2):111-125. (distribution); 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); Esperanza de Pedro, 2021Esperanza de Pedro, D. 2021. . :. (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).