Cephus trimaculatus Say, 1824:313, ♂♀. Say, 1824Say, T. 1824. Order Hymenoptera. In: Keating, W. H. (Ed.). Narrative of an expedition to the source of St. Peter's river, lake Winnepeek, lake of the woods, performed in the year 1823. Vol. II. 310-356.:313,Pennsylvania, Neotype, examined (Academy of Natural Sciences of Philadelphia), designated by Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:312; Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:312, the type has been lost. - 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); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution). - As Hartigia trimaculata: - Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324. (distribution), 310 (comb. nov.); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198. (distribution). - As Phylloecus trimaculatus: - Norton, 1869Norton, E. 1869. Catalogue of the described Tenthredinidae and Uroceridae of North America (Continued from page 242.). Transactions of the American Entomological Society 2:321-368. (distribution).
Cephus Mexicanus Guérin, 1844:403, sex not indicated.Mexique. - 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); 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), 67 (listed); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution); Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:321 (listed [unrecognizable species]); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:134 ( listed as synonym of Hartigia trimaculata (Say, 1824)). - As Hartigia mexicana: - 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. (distribution).
Phylloecus bicinctus Provancher, 1875:375, Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:312, Type ♀ (Provincial Museum, Quebec). Synonymized with Hartigia trimaculata (Say, 1824) by Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:310. - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:134 ( listed as synonym of Hartigia trimaculata (Say, 1824)).
Cephus bifasciatus Cresson, 1880:33, ♀.Colorado (leg. Morrison); Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:313, Type ♀, examined (Academy of Natural Sciences of Philadelphia, no. 532). Synonymized with Hartigia trimaculata (Say, 1824) by Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:310. - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:134 ( listed as synonym of Hartigia trimaculata (Say, 1824)).
Cephus fasciatus Cresson, 1880:33, ♀.Colorado (leg. Morrison); Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:313, Type ♀, examined (Academy of Natural Sciences of Philadelphia, no. 533). Synonymized with Hartigia trimaculata (Say, 1824) by Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:310. - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:134 ( listed as synonym of Hartigia trimaculata (Say, 1824)).
Macrocephus nigripennis Ghigi, 1915:306 Synonymized with Hartigia trimaculata (Say, 1824) by Ries, 1937Ries, D.T. 1937. A revision of the Nearctic Cephidae (Hymenoptera: Tenthredinoidea). Transactions of the American Entomological Society 63 (3):259-324.:311. - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:134 ( listed as synonym of Hartigia trimaculata (Say, 1824)).