Brachycistus elegantulus Cockerell & Casad, 1894:295, ♂.New Mexico Agricultural College, Sept. 22, 1894 (leg. Prof. E.O. Wooton & Cockerell); Malloch, 1926Malloch, J.R. 1926. Systematic notes on and descriptions of North American wasps of the subfamily Brachycistidinae. Proceedings of the United States National Museum 68:1-28.:26, Holotype (U.S.N.M., No. 2593); Kimsey & Wasbauer, 2006Kimsey, L.S. & Wasbauer M.S. 2006. Phylogeny and checklist of the nocturnal Tiphiids of the Western Hemisphere (Hymenoptera: Tiphiidae: Brachycistidinae). Journal of Hymenoptera Research 15 (1):9-25.:20, Holotype ♂ (NMNH). - As Brachycistis elegantula: - 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); Malloch, 1926Malloch, J.R. 1926. Systematic notes on and descriptions of North American wasps of the subfamily Brachycistidinae. Proceedings of the United States National Museum 68:1-28. (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). - As Brachycistis elegantulus: - Cockerell, 1898Cockerell, T.D.A. 1898. Contributions to the entomology of New Mexico. Proc. Davenport Acad. nat. Sci. 7:139-148. (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).