Sphaerophthalma wickhami Cockerell & Casad, 1895:297, ♀. Holotype ♀, Texas (leg. H.F. Wickham).Sphaerophthalma wickhami Cockerell & Casad, 1895:297, ♀. Holotype ♀, Texas (leg. H.F. Wickham). - As Mutilla Wickhami: - Fox, 1899Fox, W.J. 1899. The North American Mutillidae. Transactions of the American Entomological Society 25:219-300. (distribution); Melander, 1903Melander, A.L. 1903. Notes on North American Mutillidae, with descriptions of new species. Transactions of the American Entomological Society 29 (4):291-330. (distribution). - As Pseudomethoca wickhami: - Mickel, 1925Mickel, C.E. 1925. A revision of the mutillid wasps of the genera Myrmilloides and Pseudomethoca occuring in America North of Mexico. Proceedings of the United States National Museum 64 (15):1-52. (distribution); 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); 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).