Euglossa gaianii Dressler, 1982:142, ♂♀. Allotype ♀, 12 km SW Kourou , French Guiana, 1 Mar. 1977 (U.S.N.M., leg. C.D. Michener); Holotype ♂, 12 km SW Kourou , French Guiana, 1 Dec. 1976 (U.S.N.M., leg. D. Roubik). - Dressler, 1982Dressler, R.L. 1982. New species of Euglossa IV. The cordata and purpurea species groups (Hymenoptera : Apidae ). Revista de Biología Tropical (International Journal of Tropical Biology and Conservation) 30 (2):141-150. (distribution); Bonilla-Gómez & Nates-Parra, 1992Bonilla-Gómez, M.A. & G. Nates-Parra 1992. Abejas euglosinas de Colombia (Hymenoptera: Apidae), I. Claves ilustradas. Caldasia 17 (1):149-172. (distribution); Ramírez et al., 2002Ramírez, S., R.L. Dressler, & M. Ospina 2002. Abejas euglosinas de la Región Neotropical: Listado de especies con notas sobre su biología. Biota Colombiana 3 (1):7-118. (distribution); Starr & Hook, 2003Starr, C.K. & Hook, A.W. 2003. The aculeate Hymenoptera of Trinidad, West Indies. Occasional Papers o the Department of Life Sciences, University of the West Indies 12:1-31. (distribution); Smith-Pardo, 2003Smith-Pardo, A.H. 2003. A preliminary account of the bees of Colombia (Hymenoptera: Apoidea): present knowledge and future directions. Journal of the Kansas Entomological Society 76 (2):335-341. (distribution).