Cryptus sodalis Cameron, 1885:204,Mexico, Northern Sonora (leg. Morrison). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl.:204 (listed); Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141. (distribution); Ruíz-Cancino et al., 2002Ruíz-Cancino, E., D.R. Kasparyan & J.M. Coronado Blanco 2002. Ichneumonidae. In: Llorente Bousquets, J. & J.J. Morrone (Ed.). Biodiversidad, taxonomía y biogeografía de artrópodos de México: Hacia una síntesis de su conocimiento, volumen III. 631-646. (distribution); Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution); Kasparyan & Ruíz-Cancino, 2005Kasparyan, D.R. & E. Ruíz-Cancino 2005. Cryptini de México (Hymenoptera: Ichneumonidae: Cryptinae). Parte I. :1-286. (distribution); Ruíz-Cancino, 2010Ruíz-Cancino E. 2010. Ichneumonidae (Hymenoptera) de Tamaulipas, México. Editorial Planea, México. 185 pp. (distribution); Ruíz-Cancino et al., 2012Ruíz-Cancino, E., J.M. Coronado-Blanco, A.I. Khalaim, D.R. Kasparyan, A.M. Corona López & E.T. Sánchez 2012. Ichneumonidae (Hym.) de algunos estados del centro de México. Entomología mexicana 11 (2):1039-1044. (distribution); Castillo et al., 2014Castillo Flores, P.M., E. Ruíz Cancino, J.M. Coronado Blanco, A.I. Khalaim & S.N. Myartseva 2014. Ichneumonidae (Hymenoptera: Ichneumonoidea) en un bosque de Quercus de Tamaulipas, México. Dugesiana 21 (2):161-174. (distribution). - As Cryptus sodalis sodalis: - 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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198. (distribution).
Cryptus crassisculptus Pratt, 1945:573, ♂♀. Allotype ♂, Jemez Springs, New Mexico, April 28, 1913 (Cornell University, Ithaca, N. Y., leg. John Woodgate); Holotype ♀, Huachuca, Arizona, May 23, 1937 (University of Kansas, Lawrence, Kansas, leg. W. Benedict); Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602.:227, Type ♀ (Lawrence). Synonymized with Cryptus sodalis sodalis Cameron, 1885 by 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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:464. - As Trachysphyrus rugosiscutum crassisculptus: - Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602. (distribution).
Cryptus flagellatus Pratt, 1945:574, ♀. Holotype ♀, Colorado (Academy of Natural Sciences, Philadelphia, Pa.); Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602.:227, Type ♀ (Philadelphia). Synonymized with Cryptus sodalis sodalis Cameron, 1885 by 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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:464. - Pratt, 1945Pratt, H.D. 1945. Taxonomic studies of nearctic Cryptini (Ichneumonidae, Hymenoptera). The American Midland Naturalist 34 (3):549-661. (distribution). - As Trachysphyrus rugosiscutum flagellatus: - Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602. (distribution).
Trachysphyrus rugosiscutum binarius Townes, in Townes & Townes, 1962:226, ♀. Type ♀, Distrito Federal, Mexico, June 1 to 10, 1915 (Washington, USNM 63780, leg. R.H. Van Zwaluwenburg). - Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602. (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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:464 ( listed as synonym of Cryptus sodalis sodalis Cameron, 1885).