Dissomphalus xanthopus Ashmead, 1893:42, ♂♀. Type ♂♀, Arlington, Va., and Cedar Point, Md. (Coll. Ashmead); Evans, 1954Evans, H.E. 1954. The North American species of Dissomphalus. Proceedings of the Entomological Society of Washington 56 (6):288-309.:295, Type ♂ (U. S. Natl. Mus., no. 14050). - 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); Kieffer, 1908Kieffer, J.J. 1908. Nouveaux Prototrypidae et Cynipides d'Amérique. Annales de la Societe scientifique de Bruxelles 32:7-64. (distribution); Evans, 1954Evans, H.E. 1954. The North American species of Dissomphalus. Proceedings of the Entomological Society of Washington 56 (6):288-309. (distribution); Krombein, 1958Krombein, K.V. 1958. Superfamily Bethyloidea. In: Krombein, K.V. (Ed.). Hymenoptera of America North of Mexico - Synoptic Catalog. Washington: U.S. Department of Agriculture. Agriculture Monograph No. 2. First Supplement, 305 pp. 94-100. (distribution); Evans, 1962Evans, H.E. 1962. Further studies on the genus Dissomphalus in the United States, Mexico, and the Greater Antilles. Proceedings of the Entomological Society of Washington 64:65-78. (distribution); Evans, 1964Evans, H.E. 1964. A synopsis of the american Bethylidae (Hymenoptera, Aculeata). Bulletin of the Museum of Comparative Zoology 132 (1):1-222. (distribution); Evans, 1967Evans, H.E. 1967. Notes on mexican and southwestern U. S. Bethylidae (Hymenoptera): Part i, Pristocerinae. Entomological News 78:13-23. (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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Azevedo, 1999Azevedo, C.O. 1999. Additional notes on systematic of Neotropical Dissomphalus Ashmead (Hymenoptera, Bethylidae). Revista Brasileira de Zoologia 16 (4):921-949. (distribution); Azevedo, 1999Azevedo, C.O. 1999. On Neartic Dissomphalus (Hymenoptera, Bethylidae), with the description of two new species from Florida. Iheringia Série Zoológia 87:49-56. (distribution).
Psilobethylus lucidus Brown & Cheng, 1952:146, ♀. Holotype ♀, El Paso County, Texas, Nov. 2, 1936 (United States National Museum, No. T-1872, leg. W.F. Turner); Evans, 1954Evans, H.E. 1954. The North American species of Dissomphalus. Proceedings of the Entomological Society of Washington 56 (6):288-309.:295, Type ♀ (USNM, no. 62271). Synonymized with Dissomphalus xanthopus Ashmead, 1893 by Evans, 1954Evans, H.E. 1954. The North American species of Dissomphalus. Proceedings of the Entomological Society of Washington 56 (6):288-309.:295. - Brown & Cheng, 1952Brown, W.L. Jr. & F.Y. Cheng 1952. Psilobethylus in the new world (Hymenoptera: Bethylidae). Psyche 58:141-148. (distribution); Krombein, 1958Krombein, K.V. 1958. Superfamily Bethyloidea. In: Krombein, K.V. (Ed.). Hymenoptera of America North of Mexico - Synoptic Catalog. Washington: U.S. Department of Agriculture. Agriculture Monograph No. 2. First Supplement, 305 pp. 94-100.:98 ( listed as synonym of Dissomphalus xanthopus Ashmead, 1893); Evans, 1962Evans, H.E. 1962. Further studies on the genus Dissomphalus in the United States, Mexico, and the Greater Antilles. Proceedings of the Entomological Society of Washington 64:65-78.:71 ( listed as synonym of Dissomphalus xanthopus Ashmead, 1893); Evans, 1964Evans, H.E. 1964. A synopsis of the american Bethylidae (Hymenoptera, Aculeata). Bulletin of the Museum of Comparative Zoology 132 (1):1-222.:46 ( listed as synonym of Dissomphalus xanthopus Ashmead, 1893); 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.:1217 ( listed as synonym of Dissomphalus xanthopus Ashmead, 1893).