Mutilla ornatipennis Bradley, 1916:205, ♂♀. Holotype ♂, Southern Pines, North Carolina, August 12, 1907 (Cornell University, No. 111.1, leg. A.H. Manee). - Bradley, 1916Bradley, J.C. 1916. Contributions toward a monograph of the Mutillidae and their allies of America north of Mexico. II. A revision of Timulla Ashmead, a subgenus of Mutilla equivalent to the species group Hexagona of Fox. Transactions of the American Entomological Society 42 (2):199-214. (distribution). - As Timulla ornatipennis: - Krombein, 1950Krombein, K.V. 1950. An annotated list of wasps from Nags Head and the Kill Devil Hills (Hymenoptera Aculeata). Journal of the Elisha Mitchell Scientific Society 65:262-272. (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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Hertz, 2007Hertz, J.C. 2007. Velvet Ants, Mutillidae (Insecta: Hymenoptera). :1-11. (distribution); Pagliano et al., 2020Pagliano G., D.J. Brothers, R. Cambra, A.S. Lelej, P. Lo Cascio, M.M. Palmerini, P.L. Scaramozzino, K.A. Williams & M. Romano 2020. Checklist of names in Mutillidae (Hymenoptera), with illustrations of selected species. Bolletino del Museo Regionale di Scienze naturali Torino 36 (1-2):5-425. (distribution).