Epeolus remigatus Martini Cockerell, 1900:362, ♀. ♀, Romersville, N. M., Aug. 6, 1899 (leg. Martin D. Cockerell); Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:82, Holotype ♀ (U. S. National Museum of Natural History, No. 18965). - As Triepeolus martini: - Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Cockerell, 1907Cockerell, T.D.A. 1907. The bees of Boulder County, Colorado. University of Colorado Studies 4:239-259. (distribution); Cockerell, 1921Cockerell, T.D.A. 1921. The epeoline bees of the American Museum Rocky Mountain expeditions. American Museum Novitates 23:1-16. (distribution); Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170. (distribution).
Triepeolus fortis Cockerell, 1921:3, ♂♀. Holotype ♀, Colorado: Wray, about 3700 ft. Alt., August 18, 1919 (leg. F.E. Lutz); Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:82, Holotype ♂ (American Museum of Natural History, No. 25086). Synonymized with Triepeolus martini (Cockerell, 1900) by Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:83.
Triepeolus trilobatus Cockerell, 1921:7, ♂. Holotype ♂, Colorado: White Rocks near Boulder, about 5200 ft. alt, August 13, 1919; Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:82, Holotype ♂ (American Museum of Natural History, No. 25088). Synonymized with Triepeolus martini (Cockerell, 1900) by Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:83.
Triepeolus insolitus Cockerell, 1921:6, ♂. Cockerell, 1921Cockerell, T.D.A. 1921. The epeoline bees of the American Museum Rocky Mountain expeditions. American Museum Novitates 23:1-16.:6, Holotype ♂, Colorado: Pueblo, August 9, 1920; Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:82, Holotype ♀ (American Museum of Natural History, No. 25082). Synonymized with Triepeolus martini (Cockerell, 1900) by Rightmyer, 2008Rightmyer, M.G. 2008. A review of the cleptoparasitic bee genus Triepeolus (Hymenoptera: Apidae).-Part I. Zootaxa 1710:1-170.:83.