Euthyglossa fasciata Radoszkowsky, 1884:22, Shanks, 1986Shanks, S.S. 1986. A revision of the neotropical bee genus Osiris (Hymenoptera: Anthophoridae). The Wasmann Journal of Biology 44 (1-2):1-56.:26, Type ♂, not located. - Cockerell, 1899Cockerell, T.D.A. 1899. Catálogo de las Abejas de Mexico. Biblioteca Agricola de las Secretaria de Fomento, Mexico, 1-20. (distribution). - As Osiris fasciatus: - Shanks, 1986Shanks, S.S. 1986. A revision of the neotropical bee genus Osiris (Hymenoptera: Anthophoridae). The Wasmann Journal of Biology 44 (1-2):1-56. (distribution); Gonzalez et al., 2012Gonzalez, V.H., J.S. Ascher & M.S. Engel 2012. A new Stelis (Dolichostelis) from northern Colombia (Hymenoptera: Megachilidae): first records for South America and a synopsis of the bee fauna from the Caribbean region of Colombia. Journal of Natural History 46 (47-48):2919-2934. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution).
Eucera euthyglossa Dalla Torre, 1896:232, no descr. Replacement name for Euthyglossa fasciata Radoszkowsky, 1884 by Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643.:232 (nec Smith). - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution), 232 (comb. nov.); Shanks, 1986Shanks, S.S. 1986. A revision of the neotropical bee genus Osiris (Hymenoptera: Anthophoridae). The Wasmann Journal of Biology 44 (1-2):1-56.:26 ( listed as synonym of Osiris fasciatus (Radoszkowsky, 1884)).