Mutilla parallela Klug, 1821:315, Bartholomay, 2014Bartholomay, P.R. 2014. . Dissertation , . Manaus, Amazonas.:66, Holotype ♀ (Museum für Naturkunde Berlin, Berlim, Alemanha). - Gerstäcker, 1874Gerstäcker, A. 1874. Mutillarum Americae meridionalis indigenarum synopsis systematica et synonymica. Archiv für Naturgeschichte 40 (1):41-77. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution); Bodkin, 1918Bodkin, G.E. 1918. Notes on some British Guiana Hymenoptera (exclusive of the Formicidae). The Transactions of the Entomological Society of London 1917:297-321, pls. XXI-XXIII. (distribution). - As Traumatomutilla parallela: - Williams et al., 2017Williams, K.A., P.R. Bartholomay & M.L. de Oliveira 2017. Species groups of Traumatomutilla André (Hymenoptera: Mutillidae). Insecta Mundi 0533:1-38. (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).
Mutilla optata Cresson, 1902 - 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.:84 ( listed as synonym of Traumatomutilla parallela (Klug, 1821)).