Trogus fulvipes Cresson, 1868:93, ♂. Holotype ♂, Maine; 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.:851, Holotype ♂ (A.N.S.); Wahl & Sime, 2006Wahl, D.B. & K.R. Sime 2006. A revision of the genus Trogus (Hymenoptera: Ichneumonidae, Ichneumoninae). Systematic Entomology 31:584-610.:594, Type ♂, examined (ANSP). - Cresson, 1868Cresson, E.T. 1868. A list of Ichneumonidae of North America, with descriptions of new species. Part II. Transactions of the American Entomological Society 2:89-114. (distribution); Cresson, 1877Cresson, E.T. 1877. Notes on the species belonging to the subfamily Ichneumonides, found in America north of Mexico. Transactions of the American Entomological Society 6:129-212. (distribution); 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); 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); Wahl & Sime, 2006Wahl, D.B. & K.R. Sime 2006. A revision of the genus Trogus (Hymenoptera: Ichneumonidae, Ichneumoninae). Systematic Entomology 31:584-610. (distribution).
Trogus apicatus Davis, 1898:352, 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.:851, Holotype ♂ (A.N.S.); Wahl & Sime, 2006Wahl, D.B. & K.R. Sime 2006. A revision of the genus Trogus (Hymenoptera: Ichneumonidae, Ichneumoninae). Systematic Entomology 31:584-610.:594, Type ♂, examined (ANSP). Synonymized with Trogus fulvipes Cresson, 1868 by 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.:316. - 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.:851 ( listed as synonym of Trogus fulvipes Cresson, 1868); Wahl & Sime, 2006Wahl, D.B. & K.R. Sime 2006. A revision of the genus Trogus (Hymenoptera: Ichneumonidae, Ichneumoninae). Systematic Entomology 31:584-610.:594 ( listed as synonym of Trogus fulvipes Cresson, 1868).