Calliopsis coloradensis Cresson, 1878:63, ♂♀. 5 ♂♀, Colorado (leg. Ridings; Morrison); Shinn, 1967Shinn, A.F. 1967. A revision of the bee genus Calliopsis and the biology and ecology of C. andreniformis (Hymenoptera, Andrenidae). The University of Kansas Science Bulletin 46 (21):753-936.:843, Lectotype ♀ (Academy of Natural Sciences of Philadelphia, 2187). - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Cockerell, 1897Cockerell, T.D.A. 1897. New and little-known North American bees. Proceedings of the Academy of Natural Sciences of Philadelphia 49:334-356. (distribution); Cockerell, 1899Cockerell, T.D.A. 1899. The bees of Kansas. Entomological News 10 (1):3-4. (distribution); Cockerell, 1901Cockerell, T.D.A. 1901. Contributions from the New Mexico Biological Station. - X. Observations on bees collected at Las Vegas, New Mexico, and in the adjacent Mountains. II. The Annals and Magazine of Natural History ser. 7: v. 7:125-131. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of Florissant, Colorado. Bull. American Mus. Nat. Hist. 22:419-455. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Swenk & Cockerell, 1907Swenk, M.H. & Cockerell, T.D.A. 1907. The bees of Nebraska. - II. Entomological News 18:178-187. (distribution); Cockerell, 1919Cockerell, T.D.A. 1919. The bees of Peaceful Valley, Colorado. Journal of the New York Entomological Society 27:298-300. (distribution); Stevens, 1919Stevens, O.A. 1919. The panurgine bees of North Dakota and a new Epeolus (Hym.). The Canadian Entomologist 51 (7):205-210. (distribution); Cockerell, 1921Cockerell, T.D.A. 1921. Western bees obtained by the American Museum expeditions. American Museum Novitates 24:1-15. (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); Shinn, 1967Shinn, A.F. 1967. A revision of the bee genus Calliopsis and the biology and ecology of C. andreniformis (Hymenoptera, Andrenidae). The University of Kansas Science Bulletin 46 (21):753-936. (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); 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).
Calliopsis coloratipes fedorensis Cockerell, 1909:28, ♀. ♀, Fedor, Texas, Sept. 21, 1897 (leg. Birkmann). - Cockerell, 1921Cockerell, T.D.A. 1921. Western bees obtained by the American Museum expeditions. American Museum Novitates 24:1-15. (distribution); Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538.:289 ( listed as synonym of Calliopsis coloradensis Cresson, 1878); 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.:1869 ( listed as synonym of Calliopsis coloradensis Cresson, 1878).