Opius melleus Gahan, 1915:73, ♀. Holotype ♀, Mount Washington, New Hampshire (U.S.N.M., No. 19356). - As Biosteres melleus: - Fischer, 1970Fischer, M. 1970. Die nearktischen Opiinae der Sammlung der Cornell University, Department of Entomology and Limnology, in Ithaca, New York (Hymenoptera, Braconidae). Anzeiger der Mathematisch-Naturwissenschaftlichen Klasse der Österreichischen Akademie der Wissenschaften 1970 (1):12-32. (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); 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). - As Diachasmimorpha mellea: - Coronado-Blanco, 2013Coronado Blanco, J.M. 2013. La familia Braconidae (Hymenoptera) en México. Entomología mexicana 12 (1):31-46. (distribution).
Biosteres rhagoletis Richmond, 1915:294 - Fischer, 1970Fischer, M. 1970. Die nearktischen Opiinae der Sammlung der Cornell University, Department of Entomology and Limnology, in Ithaca, New York (Hymenoptera, Braconidae). Anzeiger der Mathematisch-Naturwissenschaftlichen Klasse der Österreichischen Akademie der Wissenschaften 1970 (1):12-32.:29 ( listed as synonym of Biosteres melleus (Gahan, 1915)); 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.:155 ( listed as synonym of Biosteres melleus (Gahan, 1915)); 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.:201 ( listed as synonym of Biosteres melleus (Gahan, 1915)).