Triepeolus minimus Robertson. 1902:81, Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:126, Holotype ♀ (INHS, 62276). - As Epeolus minimus: - Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557. (distribution); Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp. (distribution); Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185. (distribution). - As Epeolus minumus: - Esperanza de Pedro, 2021Esperanza de Pedro, D. 2021. . :. (distribution).
Epeolus beulahensis Cockerell, 1904:40, ♀. ♀, Beulah, New Mexico, prox. 8000 ft., July 11 (leg. Cockerell); Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (USNM); Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:126, Holotype ♀ (USNM, 534040). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56. - 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); Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:124 ( listed as synonym of Epeolus minimus (Robertson, 1902)).
Epeolus olympiellus Cockerell, 1904:41, ♂. ♂, Olympia, Washington State, July 2, 1896 (leg. Trevor Kincaid); Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (USNM). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56.
Epeolus tristicolor Viereck, 1905:20, Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (ANSP). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56.
Epeolus humillimus Cockerell, 1918:160, ♂. ♀, Pullman, Washington State, Aug. 2, 1908 (leg. W.M. Mann); Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (UCR). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56. - Cockerell & Sandhouse, 1924Cockerell, T.D.A. & G. Sandhouse 1924. Parasitic bees (Epeolinae and Melectinae) in the collection of the California Academy of Sciences. Proceedings of the California Academy of Sciences 13 (19):305-324. (distribution).
Epeolus lutzi Cockerell, 1921:16, ♂. Holotype ♂, Colorado: Walsenburg, about 6200 ft. alt, June 14, 1919; Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:126, Holotype ♂ (AMNH, 25098). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56. - Cockerell, 1921Cockerell, T.D.A. 1921. The epeoline bees of the American Museum Rocky Mountain expeditions. American Museum Novitates 23:1-16. (distribution); Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:124 ( listed as synonym of Epeolus minimus (Robertson, 1902)).
Epeolus lutzi dimissus Cockerell, 1921:16, ♀. Holotype ♀, Colorado: Leadville, about 10,200 ft. alt, August 4, 1919; Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:126, Holotype ♀ (AMNH, 25099). - Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:124 ( listed as synonym of Epeolus minimus (Robertson, 1902)).
Epeolus arciferus Cockerell, in Cockerell & Sandhouse, 1924:319, ♀. Holotype ♀, Pacific Grove, Monterey Co., California, September, 1920 (Mus. Calif. Acad. Sci., No. 1614, leg. F.E. Blaisdell); Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (CAS); Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:126, Holotype ♀ (CAS, 01614). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56. - Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:124 ( listed as synonym of Epeolus minimus (Robertson, 1902)).
Epeolus pilatei Cockerell, in Cockerell & Sandhouse, 1924:320, ♀. Holotype ♀, San Pedro, California, October 25, 1909 (Mus. Calif. Acad. Sci., No. 1615, leg. G.R. Pilate); Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (CAS); Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:126, Holotype ♀ (CAS, 01615). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56. - Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:124 ( listed as synonym of Epeolus minimus (Robertson, 1902)).
Epeolus rufomaculatus Cockerell & Sandhouse, 1924:314, ♂♀. Holotype ♀, Logan, Utah, July 14, 1922 (Mus. Calif. Acad. Sci., No. 1609, leg. E.P. Van Duzee); Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (CAS). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56. - Cockerell & Sandhouse, 1924Cockerell, T.D.A. & G. Sandhouse 1924. Parasitic bees (Epeolinae and Melectinae) in the collection of the California Academy of Sciences. Proceedings of the California Academy of Sciences 13 (19):305-324. (distribution).
Epeolus rubrostictus Cockerell & Sandhouse, 1924:318, ♀. Holotype ♀, Nanaimo Biological Station, British Columbia, June 24, 1920 (Mus. Calif. Acad. Sci., No. 1613, leg. E.P. Van Duzee); Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (CAS). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56.
Epeolus eastwoodae Cockerell, 1937:149, Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:58, Holotype (CAS); Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:126, Holotype ♂ (CAS, 04651). Synonymized with Epeolus minimus (Robertson, 1902) by Brumley, 1965Brumley, R.L. 1965. A Revision of the Bee Genus Epeolus Latreille of Western America North of Mexico. M.S. thesis. Utah State University, Logan, Utah. iii + 92 pp.:56. - Onuferko, 2018Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.:124 ( listed as synonym of Epeolus minimus (Robertson, 1902)).
Common names
least epeolus