Timulla runata Mickel, 1938:592, ♀. Holotype ♀, Canal Zone: Gamboa, 31.i.1921 (U.S. National Museum, no. 52131, leg. J.G. Sanders). - 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); Cambra & Quintero, 1993Cambra, R.A. & Quintero, D. 1993. Studies on Timulla Ashmead (Hymenoptera: Mutillidae): New distribution records and synonymies, and descriptions of previously unknown Allotypes. The Pan-Pacific Entomologist 69 (4):299-313. (distribution); Lo Cascio, 2015Lo Cascio, P. 2015. Worldwide checklist of the island mutillid wasps (Hymenoptera Mutillidae). biodiversity Journal 6 (2):529-592. (distribution); Cambra et al., 2018Cambra, R.A., D. Quintero, G.C. Waldren, P.R. Bartholomay & K.A. Williams 2018. Taxonomic revision of the genus Timulla Ashmead, 1899 of Panama (Hymenoptera: Mutillidae). Tecnociencia 20 (2):23-57. (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).
Timulla buscki Mickel, 1938:601, ♂. Holotype ♂, Panama: Taboga Island, 22.ii.1912 (U.S. National Museum, no. 52138, leg. A. Busck). Synonymized with Timulla runata Mickel, 1938 by Cambra & Quintero, 1993Cambra, R.A. & Quintero, D. 1993. Studies on Timulla Ashmead (Hymenoptera: Mutillidae): New distribution records and synonymies, and descriptions of previously unknown Allotypes. The Pan-Pacific Entomologist 69 (4):299-313.:308. - Cambra et al., 2018Cambra, R.A., D. Quintero, G.C. Waldren, P.R. Bartholomay & K.A. Williams 2018. Taxonomic revision of the genus Timulla Ashmead, 1899 of Panama (Hymenoptera: Mutillidae). Tecnociencia 20 (2):23-57.:45 ( listed as synonym of Timulla runata Mickel, 1938); 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.:269 ( listed as synonym of Timulla runata Mickel, 1938).