Ophion mexicanus Cresson, 1873:374, ♀. ♀, Cordova (Sumichrast, No. 94); Gauld, 1988Gauld, I.D. 1988. A survey of the Ophioninae (Hymenoptera: Ichneumonidae) of tropical Mesoamerica with special reference to the fauna of Costa Rica. Bulletin of the British Museum (Natural History) 57 (1):1-309.:142, Holotype ♀, examined (Philadelphia Academy of Natural Sciences, Philadelphia, U.S.A.). - 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), 290 (listed); Hooker, 1912Hooker, C.W. 1912. The Ichneumon flies of America belonging to the tribe Ophionini. Transactions of the American Entomological Society 38 (1):1-176.:149 ( listed as synonym of Eremotylus macrurus (Linnaeus, 1771)); 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.:702 ( listed as synonym of Enicospilus americanus (Christ, 1791)). - As Enicospilus mexicanus: - Ashmead, 1895Ashmead, W.H. 1895. Some parasitic Hymenoptera from Baja California and Tepic, Mexico. Proceedings of the California Academy of Sciences 2nd ser. (v. 5):539-555. (distribution); Gauld, 1988Gauld, I.D. 1988. A survey of the Ophioninae (Hymenoptera: Ichneumonidae) of tropical Mesoamerica with special reference to the fauna of Costa Rica. Bulletin of the British Museum (Natural History) 57 (1):1-309. (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); Sánchez et al., 2014Sánchez, E., M. Alvarado & J. Grados 2014. Comunidad de avispas Ophioninae (Hymenoptera: Ichneumonidae) en el bosque nublado Monteseco, Cajamarca, Perú. Revista Peruana de biología 21 (3):229-234. (distribution). - As Henicospilus mexicanus: - 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); Morley, 1912Morley, C. 1912. A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) Part I: Tribes Ophionides and Metopiides. British Museum, London, England. 1-88. (distribution); Enderlein, 1921Enderlein, G. 1921. Beiträge zur Kenntnis aussereuropäischer Ichneumoniden V. Über die Familie Ophionidae. Stettiner Entomologische Zeitung 82:3-45. (distribution).