Timulla navasota nebulosa Mickel, 1937:29, Mickel, 1938Mickel, C.E. 1938. The Neotropical mutilid wasps of the genus Timulla Ashmead (Hymenoptera:Mutillidae). Transactions of the Royal Entomological Society of London 87 (22):529-680.:638, Allotype ♀ (University of Minnesota collection); Mickel, 1938Mickel, C.E. 1938. The Neotropical mutilid wasps of the genus Timulla Ashmead (Hymenoptera:Mutillidae). Transactions of the Royal Entomological Society of London 87 (22):529-680.:638, Holotype ♂ (University of Minnesota collection). - Mickel, 1938Mickel, C.E. 1938. The Neotropical mutilid wasps of the genus Timulla Ashmead (Hymenoptera:Mutillidae). Transactions of the Royal Entomological Society of London 87 (22):529-680. (distribution). - As Timulla nebulosa: - 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.:267 ( listed as synonym of Timulla navasota coahuila Krombein, 1951).
Timulla navasota coahuila Krombein, 1951:771 - 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); 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).