Dasymutilla ionothorax Manley & Pitts, 2007:60, Cambra et al., 2018Cambra, R.A., K.A. Williams, D. Quintero, D.M. Windsor, J. Pickering & D. Saavedra 2018. Dasymutilla Ashmead (Hymenoptera, Mutillidae) in Panama: new species, sex associations and seasonal flight activity. Insecta Mundi 0608:1-17.:10, Holotype ♂ (EMUS). Synonymized with Dasymutilla spilota Manley & Pitts, 2007 by Cambra et al., 2018Cambra, R.A., K.A. Williams, D. Quintero, D.M. Windsor, J. Pickering & D. Saavedra 2018. Dasymutilla Ashmead (Hymenoptera, Mutillidae) in Panama: new species, sex associations and seasonal flight activity. Insecta Mundi 0608:1-17.:10. - 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.:62 ( listed as synonym of Dasymutilla spilota Manley & Pitts, 2007).
Dasymutilla spilota Manley & Pitts, 2007:91, Cambra et al., 2018Cambra, R.A., K.A. Williams, D. Quintero, D.M. Windsor, J. Pickering & D. Saavedra 2018. Dasymutilla Ashmead (Hymenoptera, Mutillidae) in Panama: new species, sex associations and seasonal flight activity. Insecta Mundi 0608:1-17.:10, Holotype ♀ (UCDC). - Cambra et al., 2018Cambra, R.A., K.A. Williams, D. Quintero, D.M. Windsor, J. Pickering & D. Saavedra 2018. Dasymutilla Ashmead (Hymenoptera, Mutillidae) in Panama: new species, sex associations and seasonal flight activity. Insecta Mundi 0608:1-17. (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).