Cerceris insolita Cresson, 1865:129, ♂. Holotype ♂, Illinois (Ent. Soc. Philad., leg. Dr. Samuel Lewis); Scullen, 1965Scullen, H.A. 1965. Review of the genus Cerceris in America North of Mexico (Hymenoptera: Sphecidae). Proceedings of the United States National Museum 116:333-547.:447, Type ♂ (Philadelphia Academy of Natural Sciences, no. 1954); 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.:62, Type ♂ (Academy of Natural Sciences of Philadelphia, 1954); 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 ♂ (Academy of Natural Sciences of Philadelphia, No. 1954). - 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); 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, 1963Krombein, K.V. 1963. Natural history of Plummers Island, Maryland. XVII. Annotated list of the wasps (Hymenoptera: Bethyloidea, Scolioidea, Vespoidea, Pompiloidea, Sphecoidea). Proceedings of the Biological Society of Washington 76:255-280. (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). - As Cerceris insolita insolita: - Scullen, 1965Scullen, H.A. 1965. Review of the genus Cerceris in America North of Mexico (Hymenoptera: Sphecidae). Proceedings of the United States National Museum 116:333-547. (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); 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).
Cerceris intractibilis Mickel, 1916:411, Muma, 1952Muma, M.H. 1952. Insect types in the collections of the University of Nebraska State Museum. Bulletin of the University of Nebraska State Museum 3 (8):1-35.:17, Type ♀ (University of Nebraska State Museum); Scullen, 1965Scullen, H.A. 1965. Review of the genus Cerceris in America North of Mexico (Hymenoptera: Sphecidae). Proceedings of the United States National Museum 116:333-547.:447, Type ♀ (University of Nebraska); 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.:62, Type ♀ (University of Nebraska); 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 ♀ (University of Nebraska State Museum, Lincoln). - Scullen, 1965Scullen, H.A. 1965. Review of the genus Cerceris in America North of Mexico (Hymenoptera: Sphecidae). Proceedings of the United States National Museum 116:333-547.:446 ( listed as synonym of Cerceris insolita insolita Cresson, 1865); 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.:62 ( listed as synonym of Cerceris insolita insolita Cresson, 1865); 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.:1735 ( listed as synonym of Cerceris insolita insolita Cresson, 1865); 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 insolita Cresson, 1865); 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 insolita Cresson, 1865).
Cerceris insolita albida Scullen, 1965:447, ♂♀. Holotype ♀, Las Cruces, N. Mex., 3880 ft. elevation, June 18, 1942 (U.S. National Museum, no. 66168, leg. H.A, Scullen); 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.:62, Type ♀ (National Museum of Natural History, 66168); 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 ♀ (United States National Museum of Natural History, Washington). Synonymized with Cerceris insolita Cresson, 1865 by 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. - Scullen, 1965Scullen, H.A. 1965. Review of the genus Cerceris in America North of Mexico (Hymenoptera: Sphecidae). Proceedings of the United States National Museum 116:333-547. (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); 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.:59 ( listed as synonym of Cerceris insolita Cresson, 1865).
Cerceris insolita atrafemori Scullen, 1965:448, ♀. Holotype ♀, Phoenix, Ariz., 1100 ft., Aug. 10, 1946 (U.S. National Museum, no. 66169, leg. H.A, Scullen); 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.:63, Type ♀ (National Museum of Natural History, 66169); 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 ♀ (United States National Museum of Natural History, Washington). Synonymized with Cerceris insolita Cresson, 1865 by 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. - 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); 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.:59 ( listed as synonym of Cerceris insolita Cresson, 1865).