Psilobethylus foveolatus Brown & Cheng, 1952:143, ♀. Holotype ♀, Mt. Vernon, Virginia, Dec. 16, 1944 (United States National Museum, leg. J.C. Crawford); Evans, 1954Evans, H.E. 1954. The North American species of Dissomphalus. Proceedings of the Entomological Society of Washington 56 (6):288-309.:306, Type ♀ (USNM, No. 62270). - Azevedo, 1999Azevedo, C.O. 1999. Revision of the neotropical Dissomphalus Ashmead, 1893 (Hymenoptera, Bethylidae) with median tergal processes. Arquivos de Zoologia (São Paulo) 35 (4):301-394.:352 ( listed as synonym of Dissomphalus apertus Kieffer, 1914). - As Dissomphalus foveolatus: - Evans, 1954Evans, H.E. 1954. The North American species of Dissomphalus. Proceedings of the Entomological Society of Washington 56 (6):288-309. (distribution), 306 (comb. nov.); 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).