Ichneumon unifasciatorius Say, 1825:48, Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109, Holotype ♂ (Harris collection, M.C.Z.); Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134, Holotype ♂ (MCZ, Harris collection). - 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 Coelichneumon unifasciatorius: - Morley, 1915Morley, C. 1915. A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) with descriptions of new genera and species. Part IV: Tribes Joppides, Banchides and Alomyides. British Museum, London, England. 1-167. (distribution). - As Cratichneumon unifasciatorius: - 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). - As Cratichneumon unifasciatorius unifasciatorius: - Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350. (distribution). - As Ichneumon unifasciatarius: - Viereck, 1905Viereck, H.L. 1905. Notes and descriptions of Hymenoptera from the Western United States, in the collection of the University of Kansas. Transactions of the Annual Meetings of the Kansas Academy of Science 19:264-326. (distribution).
Ichneumon malacus Say, 1828:72, ♂. ♂, no location; Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109, type lost; Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134 (lost). - 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, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); 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.:496 ( listed as synonym of Cratichneumon unifasciatorius (Say, 1825)).
Ichneumon niger Brullé, 1846:302, ♂?♀.Amérique septentrionale (leg. Bastard); Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109, Holotype ♀ (Musée National d'Histoire, Paris); Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134, Holotype ♀ (MNHN). - Morley, 1915Morley, C. 1915. A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) with descriptions of new genera and species. Part IV: Tribes Joppides, Banchides and Alomyides. British Museum, London, England. 1-167.:129 ( listed as synonym of Coelichneumon unifasciatorius (Say, 1825)); Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); 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.:496 ( listed as synonym of Cratichneumon unifasciatorius (Say, 1825)).
Ichneumon Afer Cresson, 1864:138, ♀. ♀, Illinois (leg. Dr. Samuel Lewis); Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109, Holotype ♀ (A.N.S.); Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134, Holotype ♀ (ANS). - Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); 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.:496 ( listed as synonym of Cratichneumon unifasciatorius (Say, 1825)).
Ichneumon scriptifrons Cresson, 1877:144, ♂.Canada (leg. Pettit, Saunders); Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109, Holotype ♂ (A.N.S.); Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134, Holotype ♂ (ANS). - 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, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); 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.:496 ( listed as synonym of Cratichneumon unifasciatorius (Say, 1825)).
Ichneumon Vancouveriensis Provancher, 1886:114, Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:136, Holotype ♂ (CNC, No. 2376). - 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.:496 ( listed as synonym of Cratichneumon unifasciatorius (Say, 1825)). - As Cratichneumon unifasciatorius vancouveriensis: - Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350. (distribution).
Ichneumon aterrimus Provancher, 1886:30, Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109, type not found; Heinrich, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134, Holotype ♀ (not found). - 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, 1977Heinrich, G.H. 1977. Ichneumoninae of Florida and neighboring states (Hymenoptera: Ichneumonidae, subfamily Ichneumoninae). Arthropods of Florida and neighboring land areas 9:1-350.:134 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)); 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.:496 ( listed as synonym of Cratichneumon unifasciatorius (Say, 1825)). - As Ichneumon atterimus: - Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part II. Synopsis of the Ichneumonini: genera Orgichneumon, i>Cratichneumon, Homotherus, i>Aculichneumon, Spilichneumon. The Canadian Entomologist 92 (Supplement 18):89-205.:109 ( listed as synonym of Cratichneumon unifasciatorius unifasciatorius (Say, 1825)).