Ichneumon grandis Brullé, 1846:300, ♀. Holotype ♀, Philadelphie (Amér. du Nord) (leg. M. Serville); Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Introduction, key to nearctic genera of Ichneumoninae Stenopneusticae, and synopsis of the Protichneumonini north of Mexico. The Canadian Entomologist 92 (Supplement 15):1-87.:25, Holotype ♀ (Museum National d'Histoire Naturelle, Paris); Heinrich, 1962Heinrich, G.H. 1962. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part VII. Synopsis of the Trogini. Addenda and corrigenda. The Canadian Entomologist 93 (Supplement 29):803-886.:862, Holotype ♀ (Instituto de Museo di Zoologia, Universita di Torino, Torino); 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.:19, Lectotype ♀ (Museo ed Istituto di Zoologia Sistematica dela Universita di Torino). - 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 Amblyteles grandis: - 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). - As Protichneumon grandis: - 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); Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Introduction, key to nearctic genera of Ichneumoninae Stenopneusticae, and synopsis of the Protichneumonini north of Mexico. The Canadian Entomologist 92 (Supplement 15):1-87. (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. (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). - As Protichneumon grandis grandis: - Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Introduction, key to nearctic genera of Ichneumoninae Stenopneusticae, and synopsis of the Protichneumonini north of Mexico. The Canadian Entomologist 92 (Supplement 15):1-87.:25 (listed).
Ichneumon regnatrix Cresson, 1864:178, ♀. ♀, Penn., Del., Va. (leg. Dr. T. B. Wilson); Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Introduction, key to nearctic genera of Ichneumoninae Stenopneusticae, and synopsis of the Protichneumonini north of Mexico. The Canadian Entomologist 92 (Supplement 15):1-87.:25, Holotype ♀ (A.N.S.). - Cresson, 1864Cresson, E.T. 1864. Descriptions of North American Hymenoptera, in the Collection of the Entomological Society of Philadelphia. Proceedings of the Entomological Society of Philadelphia 3:131-196. (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.:534 ( listed as synonym of Protichneumon grandis (Brullé, 1846)). - As Protichneumon grandis regnatrix: - Heinrich, 1961Heinrich, G.H. 1961. Synopsis of Nearctic Ichneumoninae Stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Introduction, key to nearctic genera of Ichneumoninae Stenopneusticae, and synopsis of the Protichneumonini north of Mexico. The Canadian Entomologist 92 (Supplement 15):1-87. (distribution).
Protichneumon grandis victoriae Heinrich, 1961:25, ♂♀. Holotype ♀, Britich Columbia, Victoria, 27.VIII.1927 (C.N.C., No. 6996). Synonymized with Protichneumon grandis (Brullé, 1846) 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.:534.