Tenthredo formosa Klug, 1814:115 - 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 Macrophya formosa: - 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. (distribution).
Allantus bicinctus Norton, 1860:241, ♂♀.Connecticut (leg. Mr. Scudder);Massachusetts (leg. Mr. Scudder);New York (leg. Dr. Clemens);Pennsylvania (leg. Dr. Clemens);Maryland (leg. Mr. Uhler);Florida. - 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); 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.:120 ( listed as synonym of Macrophya formosa (Klug, 1814)).