Euglossa nigropilosa Moure, 1965:270, ♂♀. Holotype ♀, Topo, Prov. Tunguragua, Ecuador, 700-1400 m altitude, March to May, 1963 (Snow Entomological Museum, The University of Kansas, leg. C.H. Dodson); Kimsey & Dressler, 1986Kimsey, L.S. & R.L. Dressler 1986. Synonymic species list of Euglossini. The Pan-Pacific Entomologist 62 (3):229-236.:233, Holotype ♀ (Lawrence); Nemésio & Rasmussen, 2011Nemésio, A. & C. Rasmussen 2011. Nomenclatural issues in the orchid bees (Hymenoptera: Apidae: Euglossina) and an updated catalogue. Zootaxa 3006:1-42.:27, Holotype ♀ (SEMC). - 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); 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); Gonzalez et al., 2007Gonzalez, V.H., M. Ospina, E. Palacios & E. Trujillo 2007. Nesting habitats and rates of cell parasitism in some bee species of the genera Ancyloscelis, Centris and Euglossa (Hymenoptera: Apidae) from Colombia. Boletín del Museo de Entomologá de la Universidad del Valle 8 (2):23-29. (distribution), 26 (biology).