Copidosoma melanocephalum Ashmead, 1886:131, Holotype ♂, May, 1885; Ashmead, 1893Ashmead, W.H. 1893. A monograph of the North American Proctotrypidae. Bulletin of the United States National Museum 45:1-472.:126, Holotype ♀ (Coll. Ashmead); Masner & Muesebeck, 1968Masner, L. & C.F.W. Muesebeck 1968. The Types of Proctotrupoidea (Hymenoptera) in the United States National Museum. 270:1-143.:106, Holotype ♀ (incorrectly described as a ♂) (USNM, no. 24413). - Ashmead, 1886Ashmead, W.H. 1886. Studies on the North American Chalcididae, with descriptions of new species from Florida. Transactions of the American Entomological Society 13:125-135. (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.:1189 ( listed as synonym of Ceraphron melantatocephalus Dessart, 1967). - As Ceraphron melanocephalus: - Ashmead, 1893Ashmead, W.H. 1893. A monograph of the North American Proctotrypidae. Bulletin of the United States National Museum 45:1-472. (distribution); Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution).
Ceraphron melantatocephalus Dessart, 1967:551 - 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).