Gymnia mexicana Kirby, 1882:43, Type, Orizaba (BMNH, leg. M. Sallé). - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution). - As Sericocera mexicana: - 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. (distribution), 46 (listed). - As Sericoceros mexicanus: - Maes, 1990Maes, J.-M. 1990. Catalogo de los Hymenoptera de Nicaragua. I. Symphyta. Revista Nicaraguense de Entomologia 13:21-24. (distribution); Smith, 1992Smith, D.R. 1992. A synopsis of the sawflies (Hymenoptera, Symphyta) of America south of the United States: Argidae. 39:1-201. (distribution); Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898. (distribution).
Ardua marginipennis Malaise, 1937:53 Synonymized with Sericoceros mexicanus (Kirby, 1882) by Smith, 1992Smith, D.R. 1992. A synopsis of the sawflies (Hymenoptera, Symphyta) of America south of the United States: Argidae. 39:1-201.:64. - Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898.:1627 ( listed as synonym of Sericoceros mexicanus (Kirby, 1882)).