Exochus validus Cresson, 1865:18, ♂. 2 ♂♂, Cuba (Ent. Soc. Philad). - Cresson, 1865Cresson, E.T. 1865. On the Hymenoptera of Cuba. Proceedings of the Entomological Society of Philadelphia 4:200 pp. (distribution); 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); Ashmead, 1900Ashmead, W.H. 1900. Report upon the aculeate Hymenoptera of the islands of St. Vincent and Grenada, with additions to the parasitic Hymenoptera and a list of the described Hymenoptera of the West Indies. Transactions of the Entomological Society of London pt. II:207-367. (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). - As Cubus validus: - 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); Alayo, 1973Alayo, P.D. 1973. Catálogo de los Himenopteros de Cuba. Instituto Cubano del libro, La Habana. 1-218. (distribution); Portuondo Ferrer & Fernández Triana, 2004Portuondo Ferrer, E. & J.L. Fernández Triana 2004. Biodiversidad del orden Hymenoptera en los macizos montañosos de Cuba oriental. Boletín de la Sociedad Entomológica Aragonesa 35:121-136. (distribution); Maceira et al., 2005 2005. Cuba: Pico Mogote. Rapid Biological Inventories Report 09. The Field Museum, Chicago. 1-190. (distribution); Khalaim & Ruíz-Cancino, 2011Khalaim, A.I. & E. Ruíz-Cancino 2011. Mexican species of Colpotricha Holmgren, 1856 and Cubus Townes & Townes, 1959 (Hymenoptera: Ichneumonidae: Metopiinae). Russian Entomological Journal 20 (1):71-73. (distribution); Alvarado & Figueroa, 2019Alvarado, M. & L. Figueroa 2019. New country records of the Metopiinae (Hymenoptera: Ichneumonidae) in the Neotropical region. Entomological Communications 1:1-4. (distribution).