Oryssus mexicanus Cresson, 1879:xi, ♀. Holotype ♀, Mexico (leg. Sumichrast); Smith, 1971Smith, D.R. 1971. The neotropical sawflies described by Norton and Cresson, with lectotype designations (Hymenoptera: Symphyta). Transactions of the American Entomological Society 97 (4):521-535.:530, Type ♀ (Academy of Natural Sciences of Philadelphia, No. 398). - Cresson, 1880Cresson, E.T. 1880. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Transactions of the American Entomological Society 8 (1/2):1-52. (distribution); Cresson, 1880Cresson, E.T. 1880. Catalogue of the Tenthredinidae and Uroceridae of North America. Transactions of the American Entomological Society 8:53-68. (distribution); Kirby, 1882Kirby, W.F. 1882. List of Hymenoptera, with descriptions and figures of the typical specimens in the British Museum. Vol. I. Tenthredinidae and Siricidae. London: British Museum :xxviii + 450 pp., pls i-vi. (distribution); 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), 69 (listed); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution). - As Kulcania mexicana: - As Ophrynopus mexicanus: - Bradley, 1901Bradley, J.C. 1901. The North American Oryssidæ. Transactions of the American Entomological Society 27:317-318. (distribution). - As Orussus mexicanus:
Ophrynopus costaricensis Bischoff, 1928:178 - Smith, 1988Smith, D.R. 1988. A synopsis of the sawflies (Hymenoptera: Symphyta) of America south of the United States: introduction, Xyelidae, Pamphiliidae, Cimbicidae, Diprionidae, Xiphydriidae, Siricidae, Orussidae, Cephidae. Systematic Entomology 13:205-261.:252 ( listed as synonym of Kulcania mexicana (Cresson, 1879)).