Cerceris imperialis Saussure, 1867:98, ♂♀. 4 ♂♂, 7 ♀♀, Mexico temparata; Cordillera orientalis, Lectotype ♀, The holotype of C. imperialis Saussure was not found either in Geneva or Vienna in 1959 by the present author (Geneva), 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.:85; 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.:484, Lectotype ♀ (Museum d'Histoire Naturelle, Geneva). - Schletterer, 1887Schletterer, A. 1887. Die Hymenopteren-Gattung Cerceris Latr. mit vorzugsweiser Berücksichtigung der paläarktischer Arten. Zoologische Jahrbücher / Abteilung für Systematik, Ökologie und Geographie der Tiere 2:349-510. (distribution); Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:122 (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. (distribution); 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. (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); 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).
Cerceris exsecta Smith, 1873:410, 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.:85, Holotype (British Museum, 21.1,429); 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.:484, Lectotype ♀ (British Museum (Natural History), London). - Schletterer, 1887Schletterer, A. 1887. Die Hymenopteren-Gattung Cerceris Latr. mit vorzugsweiser Berücksichtigung der paläarktischer Arten. Zoologische Jahrbücher / Abteilung für Systematik, Ökologie und Geographie der Tiere 2:349-510. (distribution); Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:123 (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.:84 ( listed as synonym of Cerceris imperialis Saussure, 1867); 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.:484 ( listed as synonym of Cerceris imperialis 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.:59 ( listed as synonym of Cerceris imperialis Saussure, 1867).
Cerceris pilosa Cameron, 1890:128, ♂. ♂, Guatemala, San Gerónimo (leg. Champion); 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.:85, Holotype (British Museum, 21.1,436); 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.:484, Holotype ♂ (British Museum (Natural History), London). - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:128 (listed); 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.:84 ( listed as synonym of Cerceris imperialis Saussure, 1867); 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.:484 ( listed as synonym of Cerceris imperialis 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.:59 ( listed as synonym of Cerceris imperialis Saussure, 1867).