Melissodes Edwardsii Cresson, 1878:195, ♂. 6 ♂♂, California (American Entomology Society, leg. H. Edwards). - As Eucera edwardsii: - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution), 231 (comb. nov.); 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 Synhalonia edwardsii: - Viereck et al., 1905Viereck, H.L., T.D.A. Cockerell, E.S.G. Titus, J.C. Crawford, Jr. & M.H. Swenk 1905. Synopsis of bees of Oregon, Washington, British Columbia and Vancouver.—IV (Continued from page 287). The Canadian Entomologist 37 (9):313-331. (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), 2127 (listed). - As Tetralonia edwardsii: - Cockerell, 1906Cockerell, T.D.A. 1906. The North American bees of the family Anthophoridae. Transactions of the American Entomological Society 32:63-116. (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); Cockerell, 1914Cockerell, T.D.A. 1914. Descriptions and records of bees.-LXIII. Annals and Magazine of Natural History ser. 8 (14):361-369. (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).
Synhalonia edwardsii angustior Cockerell, 1906:95 - 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), 618 ( listed as synonym of Tetralonia edwardsii (Cresson, 1878)); 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.:2127 ( listed as synonym of Synhalonia edwardsii (Cresson, 1878)).
Tetralonia edwardsii vagabunda Cockerell, 1906:95, ♂. 5 ♂♂, Boulder, Colorado, June 4, 1905 (leg. W.P. Cockerell). - Cockerell, 1906Cockerell, T.D.A. 1906. The North American bees of the family Anthophoridae. Transactions of the American Entomological Society 32:63-116. (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).