Centris umbraculata Fabricius, 1804:355, sex not indicated.America boreali (Mus. Dom. Lund, leg. Smidt). - Friese, 1900Friese, H. 1900. Monographie der Bienengattung Centris (s. lat.). Annalen des Naturhistorischen Museums in Wien 15:237-350. (distribution). - As Epicharis umbraculata: - Smith, 1854Smith, F. 1854. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part II. Apidae. London. 465 pp, 8 pl. (distribution); Smith, 1874Smith, F. 1874. A revision of the genera Epicharis, Centris, Eulema, and Euglossa, belonging to the family Apidae, Section Scopulipedes. The Annals and Magazine of Natural History ser. 4: v. 13:318-322. (distribution).
Epicharis Cajennae Lepeletier, 1841:172, ♀. ♀, [no location]; Smith, 1874Smith, F. 1874. A revision of the genera Epicharis, Centris, Eulema, and Euglossa, belonging to the family Apidae, Section Scopulipedes. The Annals and Magazine of Natural History ser. 4: v. 13:318-322.:319, Type ♀ (Westw[ood]). - Smith, 1874Smith, F. 1874. A revision of the genera Epicharis, Centris, Eulema, and Euglossa, belonging to the family Apidae, Section Scopulipedes. The Annals and Magazine of Natural History ser. 4: v. 13:318-322.:319 ( listed as synonym of Epicharis umbraculata (Fabricius, 1804)); Friese, 1900Friese, H. 1900. Monographie der Bienengattung Centris (s. lat.). Annalen des Naturhistorischen Museums in Wien 15:237-350.:259 ( listed as synonym of Centris umbraculata Fabricius, 1804); Friese, 1900Friese, H. 1900. Neue Arten der Bienengattungen Epicharis Klug und Centris Fabr. Természetrajzi Füzetek 23:39-48.:259 ( listed as synonym of Centris umbraculata Fabricius, 1804).