Ptilia filiformis Norton, 1867:62, ♂♀. ♂, ♀, Cordova, t. c. Mexico (H. deSaussure), Lectotype ♀ (Muséum d'Histoire Naturelle, Geneva Switzerland), designated by 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.:525. - 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 Dielocera filiformis: - 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), 43 (listed). - As Dielocerus filiformis: - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution). - As Hemidianeura filiformis: - 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); 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.:525 (comb. nov.); Smith, 1992Smith, D.R. 1992. A synopsis of the sawflies (Hymenoptera, Symphyta) of America south of the United States: Argidae. 39:1-201. (distribution).
Hemidianeura scapularis Kirby, 1882:49, ♂. Holotype ♂, Oajaca (BMNH, leg. M. Sallé). - 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.:43 ( listed as synonym of Dielocera filiformis (Norton, 1867)); Smith, 1992Smith, D.R. 1992. A synopsis of the sawflies (Hymenoptera, Symphyta) of America south of the United States: Argidae. 39:1-201.:120 ( listed as synonym of Hemidianeura filiformis (Norton, 1867)).