Epeolus bardus Cresson, 1878:84, ♀. Holotype ♀, Texas (leg. Belfrage); Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:55, Lectotype ♀ (Academy of Natural Sciences, No. 2237). Synonymized with Triepeolus distinctus (Cresson, 1878) by Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:55. - Cresson, 1879Cresson, E.T. 1879. Catalogue of North American Apidae. Transactions of the American Entomological Society and Proceedings of the Entomological Section of the Academy of Natural Sciences 7:215-232. (distribution); Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Brues, 1903Brues, C.T. 1903. Studies of Texan bees. Part 1. Entomological News 14:79-85. (distribution). - As Triepeolus bardus: - 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).
Epeolus distinctus Cresson, 1878:84, ♂♀. 1 ♂, 1 ♀, Georgia (leg. Ridings); Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:55, Lectotype ♀ (Academy of Natural Sciences, No. 2236). - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution). - As Doeringiella distinctus: - Pascarella, 2006Pascarella, J.B. 2006. The bees of Florida. . (distribution). - As Triepeolus distinctus: - Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557. (distribution), 467 (comb. nov.); 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); Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170. (distribution).
Triepeolus mesillæ Cockerell, 1904:36, ♀. ♀, Mesilla, New Mexico, Sept. 24 (leg. Cockerell); Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:55, Holotype ♀ (U. S. National Museum of Natural History, No. 9704). Synonymized with Triepeolus distinctus (Cresson, 1878) by Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:55. - Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution).
Triepeolus pimarum Cockerell, 1904:36, ♀. ♀, Alhambra, Salt River Valley, Arizona, autumn of 1899 (leg. Cockerell); Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:56, Holotype ♀ (U. S. National Museum of Natural History, No. 9703). Synonymized with Triepeolus distinctus (Cresson, 1878) by Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:56. - Cockerell, 1921Cockerell, T.D.A. 1921. The epeoline bees of the American Museum Rocky Mountain expeditions. American Museum Novitates 23:1-16. (distribution).