Ophion merdarius Gravenhorst, 1829:698 - Gauld, 1988Gauld, I.D. 1988. A survey of the Ophioninae (Hymenoptera: Ichneumonidae) of tropical Mesoamerica with special reference to the fauna of Costa Rica. Bulletin of the British Museum (Natural History) 57 (1):1-309.:74 ( listed as synonym of Ichneumon ramidulus Linnaeus); Molina-Ochoa et al., 2003Molina-Ochoa, J., J.E. Carpenter, E.A. Heinrichs & J.E. Foster 2003. Parasitoids and Parasites of Spodoptera frugiperda (Lepidoptera: Noctuidae) in the Americas and Caribbean Basin: An Inventory. The Florida Entomologist 86 (3):254-289. (distribution). - As Enicospilus merdarius: - Carrasco, 1972Carrasco, F. 1972. Catálogo de la familia Ichneumonidae Peruanos. Revista Peruana de Entomología 15 (2):324-332. (distribution); Alayo, 1973Alayo, P.D. 1973. Catálogo de los Himenopteros de Cuba. Instituto Cubano del libro, La Habana. 1-218. (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); Molina-Ochoa et al., 2003Molina-Ochoa, J., J.E. Carpenter, E.A. Heinrichs & J.E. Foster 2003. Parasitoids and Parasites of Spodoptera frugiperda (Lepidoptera: Noctuidae) in the Americas and Caribbean Basin: An Inventory. The Florida Entomologist 86 (3):254-289. (distribution); Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4. (distribution).
Ophion adustus Haller, 1885