Xenoglossa crawfordi Cockerell, 1910:367 - Cockerell, 1913Cockerell, T.D.A. 1913. Names applied to the Eucerine bees of North America. Proceedings of the United States National Museum 43:261-273. (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 Xenoglossa gabbii crawfordi: - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution).
Xenoglossa dugesi Cockerell, 1919:194, 194. 1 ♀, Guanajuato, Mexico (leg. Dr. A. Dugès); Holotype ♀, Guanajuato, Mexico (U.S.N.M., No. 21660, leg. Dr. A. Dugès). - 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); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2131 ( listed as synonym of Xenoglossa gabbii crawfordi Cockerell, 1910).