Melanichneumon peramoenus Heinrich, 1962:631, ♂. Holotype ♂, Quebec, Gatineau, 17.X.1956 (C.G.H., leg. Gerd H. Heinrich); Heinrich, 1972Heinrich, G.H. 1972. Synopsis of Nearctic Ichneumonidae Steopneusticae with particular reference to the northeastern region (Hymenoptera). Supplement 3. Naturaliste Canadien 99:173-211.:192, Holotype ♂ (Collection Gerd Heinrich II); 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.:203, Holotype ♂ (CGH II). - 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). - As Barichneumon peramoenus: - Heinrich, 1972Heinrich, G.H. 1972. Synopsis of Nearctic Ichneumonidae Steopneusticae with particular reference to the northeastern region (Hymenoptera). Supplement 3. Naturaliste Canadien 99:173-211. (distribution).