Dictynna cordoviensis Norton, 1872:81, ♂. Holotype ♀, Mexico: Cordova (ANSP); Holotype ♂, Cordova, Mexico (leg. Prof. 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.:524, Holotype ♀ (Academy of Natural Sciences of Philadelphia, No. 10305). - 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). - As Acherdocerus cordoviensis: - Benson & Conde, 1938Benson, R.B. & Conde, O. 1938. Revision der neotropischen Perreyiinae (Hym. Tenthredinidae). Revista de Entomologia (Rio de Janeiro) 9:121-154.:140 (comb. nov.). - As Decameria cordovensis: [lapsus] - 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.:94 (comb. nov.); 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). - As Decameria cordovensis: [lapsus] - 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.:94 (comb. nov.); 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). - As Decameria cordoviensis: - 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.:66 (listed); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution).
Dictynna politus Norton, 1872:81, ♂. Holotype ♂, Cordova, Mexico (leg. Prof. Sumichrast); Holotype ♂, Mexico: Cordova (ANSP); 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.:523, Holotype ♂ (Academy of Natural Sciences of Philadelphia, No. 10306). Synonymized with Decameria cordoviensis (Norton, 1872) by Benson & Conde, 1938Benson, R.B. & Conde, O. 1938. Revision der neotropischen Perreyiinae (Hym. Tenthredinidae). Revista de Entomologia (Rio de Janeiro) 9:121-154.:140. - As Decameria polita: - 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.:94 (comb. nov.); 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), 66 (listed); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution). - As Dictynna polita: - 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).
Acherdocerus fumipennis Kirby, 1882:93, ♀. Holotype ♀, Mexico: Orizaba (BMNH). Synonymized with Decameria cordoviensis (Norton, 1872) by Benson & Conde, 1938Benson, R.B. & Conde, O. 1938. Revision der neotropischen Perreyiinae (Hym. Tenthredinidae). Revista de Entomologia (Rio de Janeiro) 9:121-154.:140. - As Decameria fumipennis: - 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), 66 (listed); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution).
Decameria facialis Cameron, 1883:66,Guatemala, Tamahu (leg. Champion). Synonymized with Decameria cordoviensis (Norton, 1872) by Benson & Conde, 1938Benson, R.B. & Conde, O. 1938. Revision der neotropischen Perreyiinae (Hym. Tenthredinidae). Revista de Entomologia (Rio de Janeiro) 9:121-154.:141. - 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.:66 (listed); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution). - As Decameria fascialis: