Melissodes helianthelli Cockerell, 1905:525, ♀. ♀, Mesilla, New Mexico, June 26 (leg. Cockerell); LaBerge, 1956LaBerge, W.E. 1956. A revision of the bees of the genus Melissodes in North and Central America. Part I. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 37 (2):911-1194.:969, Holotype ♀ (California Academy of Sciences). - 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 New Mexico. Transactions of the American Entomological Society 32:289-314. (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); LaBerge, 1956LaBerge, W.E. 1956. A revision of the bees of the genus Melissodes in North and Central America. Part I. (Hymenoptera, Apidae). The University of Kansas Science Bulletin 37 (2):911-1194. (distribution). - As Svastra helianthelli: - LaBerge, 1958LaBerge, W.E. 1958. Notes on the North and Central America bees of the genus Svastra Holmberg (Hymenoptera: Apidae). Journal of the Kansas Entomological Society 31 (4):266-273. (distribution), 271 (comb. nov.); 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); Esperanza de Pedro, 2021Esperanza de Pedro, D. 2021. . :. (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).