Ateleopterus tarsalis Ashmead, 1893:45, ♂♀. Types, Washington, D.C., and Lafayette, Ind. (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); Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution). - As Cephalonomia tarsalis: - 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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Macek et al., 2007Macek, J., J. Strejcek & J. Straka 2007. Chrysidoidea: Bethylidae. In: Bogusch, P., J. Straka & P. Kment (Ed.). Annotated checklist of the Aculeata (Hymenoptera) of the Czech Republic and Slovakia. 21-40. (distribution), 27 (listed).
Cephalonomia kiefferi Fouts, 1920:71, ♂♀. Holotype, Wellington, Kansas (U.S.N.M., No. 22801, leg. E.G. Kelly). - 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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1213 ( listed as synonym of Cephalonomia tarsalis (Ashmead, 1893)).