Mesostenus mexicanus Cresson, 1873:157, ♂♀. ♂, ♀, Orizaba; Cordova (Sumichrast, No. 7); Kasparyan & Ruíz-Cancino, 2008Kasparyan, D.R. & E. Ruíz Cancino 2008. Cryptini de México (Hymenoptera: Ichneumonidae: Cryptinae) Parte II. Victoría, México. 1-373.:235, Lectotype ♀ (Mus. Philadelphia). - 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. (distribution), 227 (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). - As Cryptanura mexicana: - Cushman, 1945Cushman, R.A. 1945. The Ichneumon-flies of the genus Cryptanura Brullé, mainly tropical American. Proceedings of the United States National Museum 96 (3193):139-176. (distribution), 158 (comb. nov.); Ruíz-Cancino et al., 2002Ruíz Cancino, E., J.M. Coronado-Blanco & J.A. Martínez Ramírez 2002. Contribución al conocimiento de Ichneumonidae (Hymenoptera) del sureste de México. Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, México. 1-119. (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); Kasparyan & Ruíz-Cancino, 2006Kasparyan, D.R. & E. Ruíz Cancino 2006. Review of Mexican species of the genus Cryptanura Brullé with a key to species from North America (Hymenoptera: Ichneumonidae: Cryptini). Zoosystematica Rossica 15 (1):87-112. (distribution); Kasparyan & Ruíz-Cancino, 2008Kasparyan, D.R. & E. Ruíz Cancino 2008. Cryptini de México (Hymenoptera: Ichneumonidae: Cryptinae) Parte II. Victoría, México. 1-373. (distribution); Ruiz Cancino et al., 2008Ruiz Cancino, E., D.R. Kasparyan & M.A. Coronado Blanco 2008. El género Cryptanura (Hymenoptera: Ichneumonidae) en México. In: López Lugo, G. & T. de J. Del Ángel Sánchez (Ed.). Memorias del 19º Encuentro Nacional de Investigación Científica y Tecnológica del Golfo de México. 75-80. (distribution); Sánchez-García et al., 2015Sánchez-García, J.A., R.Jarquín-López, L. Martínez-Martínez, J.M. Coronado-Blanco & E. Ruíz-Cancino 2015. Ichneumonoidea (Hymenoptera) del estado de Oaxaca, México. Entomología mexicana 2:823-829. (distribution); García-Ramírez et al., 2016García-Ramírez, M.J., E. Ruíz-Cancino, J.M. Coronado-Blanco & A.I. Khalaim 2016. Ichneumonidae (Hymenoptera: Ichneumonoidea) de Escárcega, Campeche, México: nuevos registros de especies. CienciaUAT 10 (2):6-12. (distribution).
Mesostenus intrudens Smith, 1879:232, ♀. ♀, Costa Rica, Cache and Irazu (British Museum); Kasparyan & Ruíz-Cancino, 2006Kasparyan, D.R. & E. Ruíz Cancino 2006. Review of Mexican species of the genus Cryptanura Brullé with a key to species from North America (Hymenoptera: Ichneumonidae: Cryptini). Zoosystematica Rossica 15 (1):87-112.:103, Lectotype ♀. - 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. (distribution), 217 (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); Kasparyan & Ruíz-Cancino, 2006Kasparyan, D.R. & E. Ruíz Cancino 2006. Review of Mexican species of the genus Cryptanura Brullé with a key to species from North America (Hymenoptera: Ichneumonidae: Cryptini). Zoosystematica Rossica 15 (1):87-112.:103 ( listed as synonym of Cryptanura mexicana (Cresson, 1873)).
Mesostenus costaricensis Cameron, 1885:225, ♀. ♀, Costa Rica, Irazu 6000 to 7000 feet (leg. Rogers). Replacement name for Mesostenus nicaraguensis Cameron, 1885 by 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.:225. - 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.:225 (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); Kasparyan & Ruíz-Cancino, 2006Kasparyan, D.R. & E. Ruíz Cancino 2006. Review of Mexican species of the genus Cryptanura Brullé with a key to species from North America (Hymenoptera: Ichneumonidae: Cryptini). Zoosystematica Rossica 15 (1):87-112.:103 ( listed as synonym of Cryptanura mexicana (Cresson, 1873)).
Mesostenus nicaraguensis Cameron, 1885:pl. 10, fig. 13, ♀. Kasparyan & Ruíz-Cancino, 2006Kasparyan, D.R. & E. Ruíz Cancino 2006. Review of Mexican species of the genus Cryptanura Brullé with a key to species from North America (Hymenoptera: Ichneumonidae: Cryptini). Zoosystematica Rossica 15 (1):87-112.:103, Type ♀, same specimen as lectotype of M. intrudens Smith. - Kasparyan & Ruíz-Cancino, 2006Kasparyan, D.R. & E. Ruíz Cancino 2006. Review of Mexican species of the genus Cryptanura Brullé with a key to species from North America (Hymenoptera: Ichneumonidae: Cryptini). Zoosystematica Rossica 15 (1):87-112.:103 ( listed as synonym of Cryptanura mexicana (Cresson, 1873)).