Aphelopus albopictus Ashmead, 1893:100 (key), 101, ♀. Types, Washington, D. C., and Bladensburg, Md. (Coll. Ashmead). - Ashmead, 1893Ashmead, W.H. 1893. A monograph of the North American Proctotrypidae. Bulletin of the United States National Museum 45:1-472. (distribution); Ashmead, 1895Ashmead, W.H. 1895. Report on the parasitic Hymenoptera of the island of Grenada, comprising the families Cynipidae, Ichneumonidae, Braconidae, and Prototypidae. Proc. Zool. Soc. London 1895:742-812. (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); Krombein, 1963Krombein, K.V. 1963. Natural history of Plummers Island, Maryland. XVII. Annotated list of the wasps (Hymenoptera: Bethyloidea, Scolioidea, Vespoidea, Pompiloidea, Sphecoidea). Proceedings of the Biological Society of Washington 76:255-280. (distribution); Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898.:1716 ( listed as synonym of Aphelopus diffusus Olmi, 1984).