Mutilla porcata Cameron, 1894:275, ♀. ♀, Panama, Volcan de Chiriqui 2500 to 4000 feet (leg. Champion); 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.:656, Type ♀ (British Museum (Natural History), London); 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.:305, Holotype ♀ (BM (NH)). - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:275 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution). - As Timulla porcata: - 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), 656 (comb. nov.); 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); Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898. (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 bituberculata Mickel, 1938:634, ♂. Holotype ♂, Mexico: Tuxtepec, Oaxaca (U.S. National Museum, no. 52147, leg. M. Fraire); 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.:305, Holotype ♂ (NMNH, No. 52147). Synonymized with Timulla porcata (Cameron, 1894) 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.:305. - 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); Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898.:1722 ( listed as synonym of Timulla porcata (Cameron, 1894)); 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.:43 ( listed as synonym of Timulla porcata (Cameron, 1894)); 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.:268 ( listed as synonym of Timulla porcata (Cameron, 1894)).
Timulla phiala Mickel, 1938:663, ♀. Holotype ♀, Costa Rica (Museum National d’Histoire Naturelle, Paris); 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.:305, Holotype ♀ (MNHN). Synonymized with Timulla porcata (Cameron, 1894) 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.:305. - Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898.:1722 ( listed as synonym of Timulla porcata (Cameron, 1894)); 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.:43 ( listed as synonym of Timulla porcata (Cameron, 1894)); 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.:268 ( listed as synonym of Timulla porcata (Cameron, 1894)).