Exetastes fascipennis Cresson, 1865:278, ♀. 5 ♀♀, Colorado Territory, 1864 (leg. Mr. James Ridings); Cushman, 1937Cushman, R.A. 1937. Revision of the North American species of Ichneumon-flies of the genus Exetastes Gravenhorst. Proceedings of the United States National Museum 84 (3017):243-312, 6 pl.:294, Type (Acad. Nat. Sci. Philadelphia, no. 1617). - Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292. (distribution); Ashmead, 1894Ashmead, W.H. 1894. Some parasitic Hymenoptera from Lower California. Proceedings of the California Academy of Sciences 2 (4):122-129. (distribution); Ashmead, 1895Ashmead, W.H. 1895. Some parasitic Hymenoptera from Baja California and Tepic, Mexico. Proceedings of the California Academy of Sciences 2nd ser. (v. 5):539-555. (distribution); Cushman, 1937Cushman, R.A. 1937. Revision of the North American species of Ichneumon-flies of the genus Exetastes Gravenhorst. Proceedings of the United States National Museum 84 (3017):243-312, 6 pl. (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); 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); Khalaim & Ruiz-Cancino, 2012Khalaim, A.I. & Ruiz-Cancino, E. 2012. Mexican species of Exetastes (Hymenoptera: Ichneumonidae: Banchinae), with description of three new species. Revista Mexicana de Biodiversidad 83:370-379. (distribution). - As Exetastes fasciipennis: - 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 Exetastes fuscipennis: - Fox, 1893Fox, W.J. 1893. Report on some mexican Hymenoptera, principally from lower California. Proceedings of the California Academy of Sciences ser.2 (4):1-25. (distribution).
Exetastes flavitarsis Cresson, 1865:277, ♂. 6 ♂♂, Colorado Territory, 1864 (leg. Mr. James Ridings); Cushman, 1937Cushman, R.A. 1937. Revision of the North American species of Ichneumon-flies of the genus Exetastes Gravenhorst. Proceedings of the United States National Museum 84 (3017):243-312, 6 pl.:294, Type (Acad. Nat. Sci. Philadelphia, no. 1618). - Cushman, 1937Cushman, R.A. 1937. Revision of the North American species of Ichneumon-flies of the genus Exetastes Gravenhorst. Proceedings of the United States National Museum 84 (3017):243-312, 6 pl.:293 ( listed as synonym of Exetastes fascipennis Cresson, 1865); 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.:577 ( listed as synonym of Exetastes fascipennis Cresson, 1865).
Exetastes Cressonii Dalla Torre, 1901:70, no descr. Replacement name for Exetastes flavitarsis Cresson, 1865 by 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.:70 (preoccupied by Gravenhorst). - 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); Cushman, 1937Cushman, R.A. 1937. Revision of the North American species of Ichneumon-flies of the genus Exetastes Gravenhorst. Proceedings of the United States National Museum 84 (3017):243-312, 6 pl.:294 ( listed as synonym of Exetastes fascipennis Cresson, 1865); 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.:577 ( listed as synonym of Exetastes fascipennis Cresson, 1865).