Tetralonia gabbii Cresson, 1878:220, ♂♀. 5 ♂♀, Costa Rica (American Entomology Society, leg. W.M. Gabb). - Cresson, 1879Cresson, E.T. 1879. Catalogue of North American Apidae. Transactions of the American Entomological Society and Proceedings of the Entomological Section of the Academy of Natural Sciences 7:215-232. (distribution). - As Eucera gabbii: - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution), 234 (comb. nov.). - As Xenoglossa gabbi: - 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); Cockerell, 1919Cockerell, T.D.A. 1919. Bees in the collection of the United States National Museum. Proceedings of the United States National Museum 55 (2264):167-221. (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); Wille, 1985Wille, A. 1985. Las abejas Peponapis y Xenoglossa en Costa Rica y su importancia en la polinización de las Cucurbita domésticas. Revista de Biología Tropical 33 (1):17-24. (distribution); Ayala, 1988Ayala, R. 1988. Abejas silvestres (Hymenoptera: Apoidea) de Chamela, Jalisco, México. Folia Entomológica Mexicana 77:395-493. (distribution). - As Xenoglossa gabbii: - Cockerell, 1906Cockerell, T.D.A. 1906. The North American bees of the family Anthophoridae. Transactions of the American Entomological Society 32 (1):63-116. (distribution); Sagot et al., 2018Sagot, P, J. Mérida, R. Ayala & R. Vandame 2018. Situación actual del conocimiento de la fauna de abejas (Apoidea: Anthophila) del estado de Chiapas, México. In: (Ed.). Memorias X Congreso Mesoamericano sobre Abejas Nativas. 191-2011. (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). - As Xenoglossa gabbii gabbii: - Maes, 1993Maes, J.-M. 1993. Catalogo de los Apoidea (Hymenoptera) de Nicaragua. Revista Nicaraguense de Entomologia 26:11-30. (distribution); Yáñez-Ordóñez & Hinojosa-Díaz, 2004Yáñez-Ordóñez, O. & I. Hinojosa-Díaz 2004. La colección himenopterológica (Insecta) del Museo de Zoología Alfonso L. Herrera de la Facultad de Ciencias, UNAM, México. Acta Zoológica Mexicana (nueva serie) 20 (1):167-197. (distribution). - As Xenoglossa gabii: - As Xenoglossa gabii:
Xenoglossa fuliginosa Gribodo, 1882:273 - Cockerell, 1919Cockerell, T.D.A. 1919. Bees in the collection of the United States National Museum. Proceedings of the United States National Museum 55 (2264):167-221. (distribution); Wille, 1985Wille, A. 1985. Las abejas Peponapis y Xenoglossa en Costa Rica y su importancia en la polinización de las Cucurbita domésticas. Revista de Biología Tropical 33 (1):17-24. (distribution), 22 ( listed as synonym of Xenoglossa gabbi (Cresson, 1878)); Maes, 1993Maes, J.-M. 1993. Catalogo de los Apoidea (Hymenoptera) de Nicaragua. Revista Nicaraguense de Entomologia 26:11-30. ( listed as synonym of Xenoglossa gabbii gabbii (Cresson, 1878)). - As Eucera fuliginosa: - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution), 233 (comb. nov.).
Xenoglossa crawfordi Cockerell, 1910:367, ♂. ♂, Guadalajara, Mexico (leg. D.L. Crawford). - 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); Cockerell, 1917Cockerell, T.D.A. 1917. Descriptions and records of bees. - LXXV. The Annals and Magazine of Natural History ser. 8: v. 19 (114):473-481. (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); Hurd & Linsley, 1964Hurd, P.D. Jr. & E.G. Linsley 1964. The squash and gourd bees - genera Peponapis Robertson and Xenoglossa Smith - inhabiting America north of Mexico (Hymenoptera: Apoidea). Hilgardia 35 (15):375-477. (distribution). - As Xenoglossa gabbi crawfordi: - Wille, 1985Wille, A. 1985. Las abejas Peponapis y Xenoglossa en Costa Rica y su importancia en la polinización de las Cucurbita domésticas. Revista de Biología Tropical 33 (1):17-24.:22 ( listed as synonym of Xenoglossa gabbi (Cresson, 1878)). - 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, 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); Hurd & Linsley, 1964Hurd, P.D. Jr. & E.G. Linsley 1964. The squash and gourd bees - genera Peponapis Robertson and Xenoglossa Smith - inhabiting America north of Mexico (Hymenoptera: Apoidea). Hilgardia 35 (15):375-477.:408 ( listed as synonym of Xenoglossa crawfordi Cockerell, 1910); 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); Wille, 1985Wille, A. 1985. Las abejas Peponapis y Xenoglossa en Costa Rica y su importancia en la polinización de las Cucurbita domésticas. Revista de Biología Tropical 33 (1):17-24.:22 ( listed as synonym of Xenoglossa gabbi (Cresson, 1878)).