Cerceris scapularis Schletterer, 1887:457, ♀. ♀, Mexico, Orizaba, Lectotype ♀ (Vienna (Naturhistorisches Museum)), designated by Scullen, 1972Scullen, H.A. 1972. Review of the genus Cerceris Latreille in Mexico and Central America (Hymenoptera: Sphecidae). Smithsonian Contributions to Zoology 110:1-121.:94; Ferguson, 1983Ferguson, G.R. 1983. An annotated synonymic list of North American and Caribbean wasps of the genus Cerceris (Hymenoptera: Philanthidae). Journal of the New York Entomological Society 91 (4):466-502.:493, Lectotype ♀ (Naturhistorisches Museum Wien, Vienna). - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:129 (listed); Cameron, 1890Cameron, P. 1890. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :65-129. (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); Scullen, 1972Scullen, H.A. 1972. Review of the genus Cerceris Latreille in Mexico and Central America (Hymenoptera: Sphecidae). Smithsonian Contributions to Zoology 110:1-121.:93 ( listed as synonym of Cerceris simulans 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. (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).