Eiphosoma azteca Cresson, 1873:381, ♂♀. ♂, ♀, Orizaba; Cordova. - 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); Morley, 1913Morley, C. 1913. A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) with descriptions of new genera and species. Part II: Tribes Rhyssides, Echtrhomorphides, Anomalides and Paniscides. British Museum, London, England. 1-140. (distribution). - As Eiphosoma aztecum: - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl. (distribution), 302 (listed); 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); Bodkin, 1918Bodkin, G.E. 1918. Notes on some British Guiana Hymenoptera (exclusive of the Formicidae). The Transactions of the Entomological Society of London 1917:297-321, pls. XXI-XXIII. (distribution); Ruíz-Cancino et al., 2002Ruíz Cancino, E., J.M. Coronado-Blanco & J.A. Martínez Ramírez 2002. Contribución al conocimiento de Ichneumonidae (Hymenoptera) del sureste de México. Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, México. 1-119. (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); Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4. (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). - As Xiphosoma azteca: - Buysson & Marshall, 1892du Buysson, R. & T.A. Marshall 1892. Voyage de M. E. Simon au Venezuela (Décembre 1887 - Avril 1888). Annales de la Société Entomoloqique de France 61:53-76, pls. 3-4. (distribution). - As Xiphosoma aztecum: - Enderlein, 1921Enderlein, G. 1921. Beiträge zur Kenntnis aussereuropäischer Ichneumoniden V. Über die Familie Ophionidae. Stettiner Entomologische Zeitung 82:3-45. (distribution).
Eiphosoma forte Cockerell, 1913:63, ♂♀. Holotype ♂, Mexico (U.S.N.M., No. 15681). - Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:7 ( listed as synonym of Eiphosoma aztecum Cresson, 1873).