Mutilla marpesia Blake, 1879 - As Ephuta marpesia: - Cockerell, 1898Cockerell, T.D.A. 1898. Contributions to the entomology of New Mexico. Proc. Davenport Acad. nat. Sci. 7:139-148. (distribution). - As Sphaeropthalma marpesia: - 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).
Sphaerophthalma luteola Blake, 1886 - 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.:42 ( listed as synonym of Sphaeropthalma marpesia (Blake, 1879)).
Mutilla imperialiformis Viereck, 1906:189, ♂. Holotype ♂, Morton Co., Kansas, 3200 ft., June, 1902 (University of Kansas, leg. F.H. Snow). - 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.:42 ( listed as synonym of Sphaeropthalma marpesia (Blake, 1879)). - As Sphaeropthalma imperialiformis: - As Sphaeropthalma imperialiformis imperialiformis: - 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).
Sphaeropthalma imperialiformis maricopae Schuster, 1958:34 (key),Arizona to Washington. - Schuster, 1958Schuster, R.M. 1958. A revision of the sphaeropthalmine Mutillidae of America north of Mexico. II. Entomologica Americana (n. s.) 37:1-130. (distribution). - As Sphaeropthalma maricopae: - 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.:42 ( listed as synonym of Sphaeropthalma marpesia (Blake, 1879)).