Spalangia chontalensis Cameron, 1884:110, ♀. ♀, Nicaragua, Chontales (leg. Janson); Gibson, 2009Gibson, G.A.P. 2009. Revision of New World Spalangiinae (Hymenoptera: Pteromalidae). Zootaxa 2259:1-159.:41, Holotype ♀, examined (BMNH). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl.:110 (listed); Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution); Burks, 1969Burks, B.D. 1969. Species of Spalangia Latreille in the United States National Museum Collection (Hymenoptera: Pteromalidae). Smithsonian Contributions to Zoology 2:1-7. (distribution); Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898. (distribution); Ruíz et al., 2004Ruíz Cancino, E., J.M. Coronado Blanco, S.N. Myartseva & J.F. Luna Salas 2004. Adenda a Chalcidoidea (Hymenoptera). In: Bousquets, J.L., J.J. Morrone, O.Y. Ordóñez & I.V. Fernández (Ed.). Biodiversidad, Taxonomía y Biogeografía de artrópodos de México: Hacia una síntesis de su conocimiento. Volumen IV. 725-734. (distribution); Gibson, 2009Gibson, G.A.P. 2009. Revision of New World Spalangiinae (Hymenoptera: Pteromalidae). Zootaxa 2259:1-159. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution). - As Spalangius chontalensis: - Howard, 1885Howard, L.O. 1885. Descriptions of North American Chalcididae from the collections of the U. S. Department of Agriculture and of Dr. C. V. Riley. Bulletin of the U. S. Department of Agriculture 5:3-47. (distribution).
Spalangia brasiliensis Ashmead, 1904:502, ♀. Holotype ♀, Brazil: Santarem; Burks, 1969Burks, B.D. 1969. Species of Spalangia Latreille in the United States National Museum Collection (Hymenoptera: Pteromalidae). Smithsonian Contributions to Zoology 2:1-7.:2, Holotype ♀ (U.S.N.M., No. 60553); Gibson, 2009Gibson, G.A.P. 2009. Revision of New World Spalangiinae (Hymenoptera: Pteromalidae). Zootaxa 2259:1-159.:41, Holotype ♀, examined (USNM). Synonymized with Spalangia chontalensis Cameron, 1884 by Burks, 1969Burks, B.D. 1969. Species of Spalangia Latreille in the United States National Museum Collection (Hymenoptera: Pteromalidae). Smithsonian Contributions to Zoology 2:1-7.:2. - Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898.:1677 ( listed as synonym of Spalangia chontalensis Cameron, 1884); Gibson, 2009Gibson, G.A.P. 2009. Revision of New World Spalangiinae (Hymenoptera: Pteromalidae). Zootaxa 2259:1-159.:41 ( listed as synonym of Spalangia chontalensis Cameron, 1884).
Spalangia bakeri Kieffer, 1910:347, Gibson, 2009Gibson, G.A.P. 2009. Revision of New World Spalangiinae (Hymenoptera: Pteromalidae). Zootaxa 2259:1-159.:41, Holotype ♂ (nec ♀) lost. Synonymized with Spalangia chontalensis Cameron, 1884 by Gibson, 2009Gibson, G.A.P. 2009. Revision of New World Spalangiinae (Hymenoptera: Pteromalidae). Zootaxa 2259:1-159.:41.