Hylotoma biramosa Klug, 1823:242 - Cresson, 1861Cresson, E.T. 1861. Catalogue of the described species of Tenthredinidae and Uroceridae, inhabiting North America. Proceedings of the Entomological Society of Philadelphia 1 (1):33-39. (distribution). - As Dielocera biramosa: - 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), 42 (listed). - As Dielocerus biramosus: - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution). - As Neoptilia biramosa: - 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). - As Ptilia biramosa: - Norton, 1867Norton, E. 1867. Catalogue of the described Tenthredinidae and Uroceridae of North America. Transactions of the American Entomological Society 1:31-84. (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).
Pachylota varicolor Norton, 1872:79, ♀. 2 ♀♀, Mexico (Am Ent. Soc.); 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.:526, Type ♀ (Academy of Natural Sciences of Philadelphia, No. 356). - 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), 51 (listed); Smith, 1992Smith, D.R. 1992. A synopsis of the sawflies (Hymenoptera, Symphyta) of America south of the United States: Argidae. 39:1-201.:130 ( listed as synonym of Neoptilia biramosa (Klug, 1823)). - As Neoptilia varicolor: - 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.:526 (comb. nov.). - As Pachylota variicolor: - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution).
Neoptilia mexicana Ashmead, 1898:213 - Muesebeck et al., 1951Muesebeck, C.F.W., K.V. Krombein & H.K. Townes 1951. Hymenoptera of America north of Mexico - Synoptic catalog. U.S. Dept. Agr. Monog. 2:1-1420. (distribution); Smith, 1992Smith, D.R. 1992. A synopsis of the sawflies (Hymenoptera, Symphyta) of America south of the United States: Argidae. 39:1-201.:130 ( listed as synonym of Neoptilia biramosa (Klug, 1823)).