Xyalaspis flavipes Ashmead, 1896:183, Mata-Casanova et al., 2014Mata-Casanova, N., J. Selfa & J. Pujade-Villar 2014. Revision of the american species of genus Xyalaspis (Hymenoptera: Figitidae: Anacharitinae). Annals of the Entomological Society of America 107 (3):557-566.:558, Holotype ♂ (United States National Museum (USNM), No 23285). - Mata-Casanova et al., 2014Mata-Casanova, N., J. Selfa & J. Pujade-Villar 2014. Revision of the american species of genus Xyalaspis (Hymenoptera: Figitidae: Anacharitinae). Annals of the Entomological Society of America 107 (3):557-566. (distribution).
Xyalaspis microstyla Kieffer, 1907:151, ♂.Alab.; Mata-Casanova et al., 2014Mata-Casanova, N., J. Selfa & J. Pujade-Villar 2014. Revision of the american species of genus Xyalaspis (Hymenoptera: Figitidae: Anacharitinae). Annals of the Entomological Society of America 107 (3):557-566.:558, Holotype ♂ (California Academy of Sciences, No. 10560). Synonymized with Xyalaspis aberrans Mata-Casanova, Selfa & Pujade-Villar, 2014 by Mata-Casanova et al., 2014Mata-Casanova, N., J. Selfa & J. Pujade-Villar 2014. Revision of the american species of genus Xyalaspis (Hymenoptera: Figitidae: Anacharitinae). Annals of the Entomological Society of America 107 (3):557-566.:558. - Dalla Torre, 1911Dalla Torre, K.W.von 1911. Nachtrag zur 24. Lieferung des 'Tierreichs': Cynipidae. Entomologisches Jahrbuch. Kalender für alle Insekten-Sammler 1911:168-179. (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).