Sphex lucae Saussure, 1867:41, ♀. ♀, St. Lucae, Californiae inferioris. - Kohl, 1890Kohl, F.F. 1890. Die Hymenopterengruppe der Sphecinen. I. Monographie der natürlichen Gattung Sphex Linné (sens. lat.). Annalen des Naturhistorischen Museums in Wien 5:77-194, 317-462. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (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); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139. (distribution); Horta Vega et al., 2007Horta Vega, J.V., O.N. Pinson Domínguez, L. Barrientos Lozano & A. Correa Sandoval 2007. Sphecidae y Crabronidae (Hymenoptera) de algunos municipios del centro y sur de Tamaulipas, México. Acta Zool. Mex. (n.s.) 23:35-48. (distribution); Rios-Velasco et al., 2014Rios-Velasco, C., D.I. Barlanga-Reyes, R. Ayala-Barajas, M.Á. Salas-Marina, J.E. Ibarra-Rendón, P.B. Zamudio Flores, A. Roma-Chacón & C.H. Acosta-Muñiz 2014. Identification of Megachilid species (Hymenoptera: Megachilidae) and other pollinators in apple orchards in Chihuahua, México. The Florida Entomologist 97 (4):1829-1834. (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 Chlorion lucae: - Fernald, 1906Fernald, H.T. 1906. The digger wasps of North America and the West Indies belonging to the subfamily Chorioninae. Proceedings of the United States National Museum 31:291-423. (distribution). - As Sceliphron lucae: - Fox, 1893Fox, W.J. 1893. Report on some mexican Hymenoptera, principally from lower California. Proceedings of the California Academy of Sciences ser.2 (4):1-25. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 387 (comb. nov.).
Sphex Belfragei Cresson, 1872:212, ♂♀. 4 ♂♀, Texas, August (leg. Belfrage). - Kohl, 1890Kohl, F.F. 1890. Die Hymenopterengruppe der Sphecinen. I. Monographie der natürlichen Gattung Sphex Linné (sens. lat.). Annalen des Naturhistorischen Museums in Wien 5:77-194, 317-462. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution); Cockerell, 1898Cockerell, T.D.A. 1898. Contributions to the entomology of New Mexico. Proc. Davenport Acad. nat. Sci. 7:139-148. (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.:1581 ( listed as synonym of Sphex lucae Saussure, 1867); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:75 ( listed as synonym of Sphex lucae Saussure, 1867).