Opius hirtus Fischer, 1963:376 - Fischer, 1965Fischer, M. 1965. Über neotropische Opiinae (Hymenoptera, Braconidae). Annalen des Naturhistorischen Museums in Wien 68:407-441. (distribution); Fischer, 1969Fischer, M. 1969. Zur Kenntnis der neotropischen Opiinen-Fauna (Hymenoptera, Braconidae). Annalen des Naturhistorischen Museums in Wien 73:221-269. (distribution); Wharton & Marsh, 1978Wharton, R.A. & P.M. Marsh 1978. New World Opiinae (Hymenoptera: Braconidae) parasitic on Tephritidae (Diptera). Journal of the Washington Academy of Sciences 68 (4):147-167. (distribution); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution); Coronado-Blanco, 2011Coronado-Blanco, J. M. 2011. Braconidae (Hymenoptera) de Tamaulipas, México. Universidad Autónoma de Tamaulipas, Tamaulipas, México. 1-204. (distribution); Coronado-Blanco, 2013Coronado Blanco, J.M. 2013. La familia Braconidae (Hymenoptera) en México. Entomología mexicana 12 (1):31-46. (distribution); Perez-Gelabert, 2020Perez-Gelabert, D.E. 2020. Checklist, bibliography and quantitative data of the arthropods of Hispaniola. Zootaxa 4749:1-668. (distribution).