Melissodes confusa Cresson, 1878:205, ♂♀. 12 ♂♀, Colorado (leg. Morrison, Ridings); LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:465, Lectotype ♀ (Academy of Sciences of Philadelphia, Pennsylvania). - 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); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of Florissant, Colorado. Bull. American Mus. Nat. Hist. 22:419-455. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Cockerell, 1910Cockerell, T.D.A. 1910. Some bees from Eldora, Colorado. Psyche 17 (6):244-247. (distribution); 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); Cockerell, 1930Cockerell, T.D.A. 1930. Bees from Mesa Verde, Colorado, in the American Museum of Natural History. American Museum Novitates 397:1-8. (distribution); LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663. (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. (distribution); Vergara & Ayala, 2002Vergara, C.H. & R. Ayala 2002. Diversity, Phenology and Biogeography of the bees (Hymenoptera: Apoidea) of Zapotitlán de las Salinas, Puebla, Mexico. Journal of the Kansas Entomological Society 75 (1):16-30. (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 Eucera confusa: - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution), 229 (comb. nov.).
Melissodes ruidosensis Cockerell, 1896:305, ♂. 6 ♂♂, Ruidoso Creek, New Mexico, 6400-7500 ft, July 6th and 8th (leg. Prof. E.O. Wooton); LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:466, Lectotype ♂ (U. S. National Museum, Washington, Cotype No. 3361). Synonymized with Melissodes confusa Cresson, 1878 by Robertson, 1897Robertson, C. 1897. North American bees - Descriptions and synonyms. Transactions of the Academy of Science of St. Louis 7 (14):315-356.:355. - Cockerell, 1901Cockerell, T.D.A. 1901. Contributions from the New Mexico Biological Station. - X. Observations on bees collected at Las Vegas, New Mexico, and in the adjacent Mountains. II. The Annals and Magazine of Natural History ser. 7: v. 7:125-131. (distribution); Cockerell, 1901Cockerell, T.D.A. 1901. Flower and insect records from New Mexico. Entomological News 12 (2):38-43. (distribution); Cockerell, 1902Cockerell, T.D.A. 1902. Flowers and insects in New Mexico. American Naturalist 36 (430):809-817. (distribution); 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); LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:462 ( listed as synonym of Melissodes confusa Robertson, 1894); 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.:2146 ( listed as synonym of Melissodes confusa Cresson, 1878).
Melissodes tenuitarsis Cockerell, 1905:99, ♂. ♂, Arizona, Aug. 1902 (leg. F.H. Snow); LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:466, Holotype ♂ (Snow Entomological Museum of the University of Kansas, Lawrence). Synonymized with Melissodes confusa Robertson, 1894 by LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:462. - 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); 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); 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.:2146 ( listed as synonym of Melissodes confusa Cresson, 1878).
Melissodes civica Cockerell, 1910:258, ♀. 2 ♀♀, Mexico (Berlin Museum); LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:466, Holotype ♀ (Zoologische Museum der Humboldt Universität, East Berlin, Germany). Synonymized with Melissodes confusa Robertson, 1894 by LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:462. - 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); 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.:2146 ( listed as synonym of Melissodes confusa Cresson, 1878).
Melissodes atraticornis Cockerell, 1934:9, ♂. ♂, Colorado: Pingree Park, Aug. 14, 1933 (The American Museum of Natural History, leg. Louise Ireland); LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:466, Holotype ♂ (Academy of Sciences of Philadelphia, Pennsylvania). Synonymized with Melissodes confusa Robertson, 1894 by LaBerge, 1961LaBerge, W.E. 1961. A revision of the bees of the genus Melissodes in North and Central America. Part III. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 42 (5):283-663.:462. - 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.:2146 ( listed as synonym of Melissodes confusa Cresson, 1878).