Ceraphron longicornis Ashmead, 1893:125 (key), 132, ♂. Holotype ♂, Fort George Island, Florida (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.:111, Holotype ♂ (USNM, no. 24421). - Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution); Dessart, 1987Dessart, P. 1987. Revision des Lagynodinae (Hymenoptera Ceraphronoidea Megaspilidae). Bulletin & Annales de la Societe Royale Belge d'Entomologie 57:5-30.:30 ( listed as synonym of Lagynodes xanthus Whittaker, 1930). - As Lagynodes longicornis: - 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).
Ceraphron carinatus Ashmead, 1893 - Dessart, 1987Dessart, P. 1987. Revision des Lagynodinae (Hymenoptera Ceraphronoidea Megaspilidae). Bulletin & Annales de la Societe Royale Belge d'Entomologie 57:5-30.:30 ( listed as synonym of Lagynodes xanthus Whittaker, 1930).
Lagynodes xanthus Whittaker, 1930