Tryphon aethiops Cresson, 1868:106, ♀. 2 ♀♀, Massachusetts; Connecticut; Townes & Townes, 1959Townes, H.K. & M. Townes 1959. Ichneumon-flies of America north of Mexico: 1. Subfamily Metopiinae. Bulletin of the United States National Museum 216 (1):1-318.:137, Type ♀ (Philadelphia). - 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). - As Periope aethiops: - Davis, 1897Davis, G.C. 1897. A review of the Ichneumonid subfamily Tryphoninae. Transactions of the American Entomological Society 24 (3/4):193-348. (distribution); Townes & Townes, 1959Townes, H.K. & M. Townes 1959. Ichneumon-flies of America north of Mexico: 1. Subfamily Metopiinae. Bulletin of the United States National Museum 216 (1):1-318. (distribution); Ruíz-Cancino et al., 2002Ruíz-Cancino, E., D.R. Kasparyan & J.M. Coronado Blanco 2002. Ichneumonidae. In: Llorente Bousquets, J. & J.J. Morrone (Ed.). Biodiversidad, taxonomía y biogeografía de artrópodos de México: Hacia una síntesis de su conocimiento, volumen III. 631-646. (distribution); Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution); Ruíz-Cancino et al., 2010Ruíz-Cancino, E., D.R. Kasparyan, J.M. Coronado-Blanco, S.N. Myartseva, V.A. Trjapitzin, S.G. Hernández Aguilar & J. García Jiménez 2010. Himenópteros de la Reserva “El Cielo”, Tamaulipas, México. Dugesiana 17 (1):53-71. (distribution).
Chorinaeus pulchripes Provancher, 1883:12, Townes & Townes, 1959Townes, H.K. & M. Townes 1959. Ichneumon-flies of America north of Mexico: 1. Subfamily Metopiinae. Bulletin of the United States National Museum 216 (1):1-318.:137, Type ♀ (Quebec). - Townes & Townes, 1959Townes, H.K. & M. Townes 1959. Ichneumon-flies of America north of Mexico: 1. Subfamily Metopiinae. Bulletin of the United States National Museum 216 (1):1-318.:137 ( listed as synonym of Periope aethiops (Cresson, 1868)).