Mutilla nubecula Cresson, 1865:440, ♂. 2 ♂♂, Colorado Territory, 1864 (leg. Mr. James Ridings); Buzicky, 1941Buzicky, A.W. 1941. A monograph of the genus Chyphotes (Hymenoptera, Mutillidae, Apterogyninae) of North America. Entomologica Americana (n. s.) 21 (4):201-243.:213, Holotype ♂ (American Entomological Society, Philadelphia, Pennsylvania, no. 1889); Mickel, 1967Mickel, C.E. 1967. A review of the mutillid genus Chyphotes Blake (Hymenoptera; Mutillidae; Apterogyninae). Transactions of the American Entomological Society 93 (2):125-234.:191, Type ♂ (Academy of Natural Sciences of Philadelphia, no. 1889). - 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 Chyphotes nubeculus: - 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); Bradley, 1917Bradley, J.C. 1917. Contributions toward a monograph of the Mutillidae and their allies of America North of Mexico. Transactions of the American Entomological Society 43:247-290. (distribution); Buzicky, 1941Buzicky, A.W. 1941. A monograph of the genus Chyphotes (Hymenoptera, Mutillidae, Apterogyninae) of North America. Entomologica Americana (n. s.) 21 (4):201-243. (distribution); Mickel, 1967Mickel, C.E. 1967. A review of the mutillid genus Chyphotes Blake (Hymenoptera; Mutillidae; Apterogyninae). Transactions of the American Entomological Society 93 (2):125-234. (distribution), 191 (comb. nov.); 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 & Romano, 2017Pagliano G. & M. Romano 2017. World list of all known species of Bradynobaenidae (Hymenoptera). IL Natural. Valtellinese - Atti Museo civ. Storia naturale Morbegno 28:15-46. (distribution). - As Photopsis nubecula: - Blake, 1886Blake, C. 1886. Monograph of the Mutillidae of North America. Transactions of the American Entomological Society 13:179-286. (distribution); Cockerell, 1898Cockerell, T.D.A. 1898. Contributions to the entomology of New Mexico. Proc. Davenport Acad. nat. Sci. 7:139-148. (distribution).