Centris melanchlaena Smith, 1874:360, ♂. ♂, Mexico; Vera Cruz. Synonymized with Centris obsoleta Lepeletier, 1841 by Snelling, 1984Snelling, R.R. 1984. Studies on the taxonomy and distribution of American Centridine bees (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum Los Angeles County 347:1-69.:31. - 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); Cockerell, 1906Cockerell, T.D.A. 1906. The North American bees of the family Anthophoridae. Transactions of the American Entomological Society 32 (1):63-116. (distribution); Lutz & Cockerell, 1920Lutz, F.E. & T.D.A. Cockerell 1920. Notes on the distribution and bibliography of North American bees of the families, Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bull. Amer. Mus. Nat. Hist 42 (15):491-641. (distribution).Centris melanchlaena Smith, 1874:360, ♂. ♂, Mexico; Vera Cruz. Synonymized with Centris obsoleta Lepeletier, 1841 by Snelling, 1984Snelling, R.R. 1984. Studies on the taxonomy and distribution of American Centridine bees (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum Los Angeles County 347:1-69.:31. - 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); Cockerell, 1906Cockerell, T.D.A. 1906. The North American bees of the family Anthophoridae. Transactions of the American Entomological Society 32 (1):63-116. (distribution); Lutz & Cockerell, 1920Lutz, F.E. & T.D.A. Cockerell 1920. Notes on the distribution and bibliography of North American bees of the families, Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bull. Amer. Mus. Nat. Hist 42 (15):491-641. (distribution). - As Centris melancheaena: - Cockerell, 1899Cockerell, T.D.A. 1899. Catálogo de las Abejas de Mexico. Biblioteca Agricola de las Secretaria de Fomento, Mexico, 1-20. (distribution); Quiroz Medina & Vivallo, 2023Quiroz Medina, C.R. & F. Vivallo 2023. Primer registro de la abeja colectora de óleo Centris (Odontoxys) melanochlaena Smith, 1874 (Hymenoptera, Apidae) en Nicaragua. Revista Peruana de biología 30 (3):1-4. (distribution). - As Centris melancheaena: - Cockerell, 1899Cockerell, T.D.A. 1899. Catálogo de las Abejas de Mexico. Biblioteca Agricola de las Secretaria de Fomento, Mexico, 1-20. (distribution); Quiroz Medina & Vivallo, 2023Quiroz Medina, C.R. & F. Vivallo 2023. Primer registro de la abeja colectora de óleo Centris (Odontoxys) melanochlaena Smith, 1874 (Hymenoptera, Apidae) en Nicaragua. Revista Peruana de biología 30 (3):1-4. (distribution). - As Centris melanochlaena: - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Friese, 1900Friese, H. 1900. Monographie der Bienengattung Centris (s. lat.). Annalen des Naturhistorischen Museums in Wien 15:237-350. (distribution); Vélez, 2012Vélez Velandia, E.D. 2012. . Dissertation , , 1-247. Bogotá, Colombia.:143 ( listed as synonym of Centris obsoleta Lepeletier, 1841).
Epicharis zamoranensis Cockerell, 1949:480, ♀. Holotype ♀, Honduras: Zamorano, 2,600 feet, November 3 and 5 (U.S.N.M., No. 58888, leg. Gerardo Cisneros); Vivallo, 2020Vivallo, F. 2020. The bees of the genus Centris Fabricius, 1804 described by Theodore Dru Alison Cockerell (Hymenoptera: Apidae). European Journal of Taxonomy 618:1-47.:26, Holotype ♀ (NMNH, No 58888). Synonymized with Centris obsoleta Lepeletier, 1841 by Snelling, 1984Snelling, R.R. 1984. Studies on the taxonomy and distribution of American Centridine bees (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum Los Angeles County 347:1-69.:31. - Vélez, 2012Vélez Velandia, E.D. 2012. . Dissertation , , 1-247. Bogotá, Colombia.:143 ( listed as synonym of Centris obsoleta Lepeletier, 1841); Vivallo, 2020Vivallo, F. 2020. The bees of the genus Centris Fabricius, 1804 described by Theodore Dru Alison Cockerell (Hymenoptera: Apidae). European Journal of Taxonomy 618:1-47.:26 ( listed as synonym of Centris melanochlaena Smith, 1874).