Diplolepis spongiosa Karsch, 1880:295 - As Cynips spongiosa: - Dalla Torre, 1893Dalla Torre, C.G. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, Volumen II: Cynipidae. Breitkopf & Härtel, Leipzig. VIII + 140. (distribution), 76 (comb. nov.). - As Disholcaspis spongiosa: - Weld, 1926Weld, L.H. 1926. Field notes on gall-inhabiting Cynipid wasps with descriptions of new species. Proceedings of the United States National Museum 68 (10):1-131. (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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198. (distribution).
Cynips q. ficula Bassett, 1881:75 - 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.:1093 ( listed as synonym of Disholcaspis spongiosa (Karsch, 1880)). - As Cynips ficula: - As Holcaspis ficula: - Ashmead, 1887Ashmead, W.H. 1887. On the Cynipidous galls of Florida, with descriptions of new species and Synopses of the described species of North America. Trans. Am. Entomol. Soc. Phil. 14:125-158. (distribution); Dalla Torre, 1893Dalla Torre, C.G. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, Volumen II: Cynipidae. Breitkopf & Härtel, Leipzig. VIII + 140. (distribution).