Trogus vulpinus Gravenhorst, 1829:389 - Hopper, 1939Hopper, H.P. 1939. A synoptical revision of the tribe Trogini Ashmead of the United States and Canada (Hymenoptera: Ichneumonidae). Transactions of the American Entomological Society 65 (4):307-346. (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.:539 ( listed as synonym of Trogus pennator (Fabricius, 1793)); Wahl & Sime, 2006Wahl, D.B. & K.R. Sime 2006. A revision of the genus Trogus (Hymenoptera: Ichneumonidae, Ichneumoninae). Systematic Entomology 31:584-610. (distribution), 601 (listed). - As Dinotomus vulpinus: - 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 Psilomastax vulpinus:
Trogus exesorius Brullé, 1846:298, ♂♀.nord de l'Amérique (la Caroline) (leg. Bosc, Bastard);Philadelphie (leg. M. Serville). - 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.:1039 ( listed as synonym of Psilomastax vulpinus (Gravenhorst, 1829)); 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.:66 ( listed as synonym of Dinotomus vulpinus (Gravenhorst, 1829)); Hopper, 1939Hopper, H.P. 1939. A synoptical revision of the tribe Trogini Ashmead of the United States and Canada (Hymenoptera: Ichneumonidae). Transactions of the American Entomological Society 65 (4):307-346.:318 ( listed as synonym of Trogus vulpinus Gravenhorst, 1829); 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.:539 ( listed as synonym of Trogus pennator (Fabricius, 1793)); Wahl & Sime, 2006Wahl, D.B. & K.R. Sime 2006. A revision of the genus Trogus (Hymenoptera: Ichneumonidae, Ichneumoninae). Systematic Entomology 31:584-610.:606 ( listed as synonym of Trogus vulpinus Gravenhorst, 1829).
Dinotomus vulpinus nigrithorax Strand, 1912:74 Synonymized with Trogus vulpinus Gravenhorst, 1829 by Wahl & Sime, 2006Wahl, D.B. & K.R. Sime 2006. A revision of the genus Trogus (Hymenoptera: Ichneumonidae, Ichneumoninae). Systematic Entomology 31:584-610.:606.
Trogus pennator argutus Heinrich, 1977:298 Synonymized with Trogus vulpinus Gravenhorst, 1829 by Wahl & Sime, 2006Wahl, D.B. & K.R. Sime 2006. A revision of the genus Trogus (Hymenoptera: Ichneumonidae, Ichneumoninae). Systematic Entomology 31:584-610.:606.