Ichneumon arrogans Cresson, 1873:115, ♂♀. ♂, ♀, Orizaba; Cordova (Sumichrast, No. 159); Heinrich, 1962Heinrich, G.H. 1962. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part V Synopsis of the Ichneumonini: Genera Protopelmus, Patrocloides, Probolus, Stenichneumon, Aoplus, Limonethe, Hybophorellus, Rubicundiella, Melanichneumon, Stenobarichneumon, Plalylabops, Hoplismenus, Hemihoplis, Trogomorpha. The Canadian Entomologist 93 (Supplement 26):507-671.:662, Holotype ♀ (A.N.S.). - 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), 157 (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 Trogomorpha arrogans: - Heinrich, 1962Heinrich, G.H. 1962. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part V Synopsis of the Ichneumonini: Genera Protopelmus, Patrocloides, Probolus, Stenichneumon, Aoplus, Limonethe, Hybophorellus, Rubicundiella, Melanichneumon, Stenobarichneumon, Plalylabops, Hoplismenus, Hemihoplis, Trogomorpha. The Canadian Entomologist 93 (Supplement 26):507-671. (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. (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); Ruíz-Cancino et al., 2010Ruíz-Cancino, E., D.R. Kasparyan, J.M. Coronado-Blanco, S.N. Myartseva, V.A. Trjapitzin, S.G. Hernández Aguilar & J. García Jiménez 2010. Himenópteros de la Reserva “El Cielo”, Tamaulipas, México. Dugesiana 17 (1):53-71. (distribution); Ruíz-Cancino et al., 2010Ruíz-Cancino, E., A.I. Khalaim, J.M. Coronado-Blanco, A.E. Humala, A.R. Rodríguez-Berrío & K. Sääksjärvi 2010. Ichneumonidae (Hymenoptera) de localidades de Santiago, Nuevo León, México. Entomología mexicana 9:912-915. (distribution); Pérez-Urbina et al., 2018Pérez-Urbina, B.A., J.M. Coronado-Blanco, E. Ruíz-Cancino, C.S. Venegas-Barrera, A. Correa-Sandoval & J.V. Horta-Vega 2018. Community structure of Ichneumonidae (Hymenoptera) in a mangrove area in the coastal zone of Tamaulipas, Mexico. Revista Mexicana de Biodiversidad 89:823-835. (distribution).
Ichneumon panamensis Cameron, 1885:158, ♂. ♂, Panama, Volcan de Chiriqui 4000 to 5000 feet (leg. Champion); Heinrich, 1962Heinrich, G.H. 1962. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part V Synopsis of the Ichneumonini: Genera Protopelmus, Patrocloides, Probolus, Stenichneumon, Aoplus, Limonethe, Hybophorellus, Rubicundiella, Melanichneumon, Stenobarichneumon, Plalylabops, Hoplismenus, Hemihoplis, Trogomorpha. The Canadian Entomologist 93 (Supplement 26):507-671.:662, Holotype ♂ (London, British Museum). - 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.:158 (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); Heinrich, 1962Heinrich, G.H. 1962. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part V Synopsis of the Ichneumonini: Genera Protopelmus, Patrocloides, Probolus, Stenichneumon, Aoplus, Limonethe, Hybophorellus, Rubicundiella, Melanichneumon, Stenobarichneumon, Plalylabops, Hoplismenus, Hemihoplis, Trogomorpha. The Canadian Entomologist 93 (Supplement 26):507-671.:662 ( listed as synonym of Trogomorpha arrogans (Cresson, 1873)); 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.:540 ( listed as synonym of Trogomorpha arrogans (Cresson, 1873)).