Elis xantiana Saussure, 1863:18, Lectotype ♀ (Saussure Collection), designated by Bradley, 1974Bradley, J.C. 1974. The types of the Scoliidae (Hymenoptera) described by Henri de Saussure or by Jules Sichel, or by them jointly. Revue Suisse de Zoologie 81 (2):417-485.:481. - Saussure & Sichel, 1864Saussure, H. de & J. Sichel 1864. Catalogue des espèces de l'ancien genre Scolia, contenant les diagnoses, les descriptions et la synonymie des espèces, avec des remarques explicatives et critiques. Genève & Paris. 1-350, 2 pl. (distribution); Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292. (distribution); Fox, 1894Fox, W.J. 1894. Second report on some Hymenoptera from Lower California, Mexico. Proceedings of the California Academy of Sciences ser.2 v. 3 (1893-1894):92-121. (distribution); Cockerell, 1898Cockerell, T.D.A. 1898. Contributions to the entomology of New Mexico. Proc. Davenport Acad. nat. Sci. 7:139-148. (distribution); Bradley, 1974Bradley, J.C. 1974. The types of the Scoliidae (Hymenoptera) described by Henri de Saussure or by Jules Sichel, or by them jointly. Revue Suisse de Zoologie 81 (2):417-485.:480 (listed). - As Campsomeris xanthina: - Bradley, 1928Bradley, J.C. 1928. A revision of the New World species of Trielis a subgenus of Campsomeris (Hymenoptera: Scolidiae). Transactions of the American Entomological Society 54 (3):195-214. (distribution). - As Campsoscolia octomaculata xantiana: - Bradley, 1950Bradley, J.C. 1950. The most primitive Scoliidae. EOS Revista Española de Entomologia tomo extraordinario:427-438. (distribution), 434 (comb. nov.). - As Colpa octomaculata xanthina: - As Colpa xanthina: - As Elis xanthina: - Cresson, 1868Cresson, E.T. 1868. Catalogue of a small Collection of Hymenoptera made in New Mexico during the summer of 1867. Transactions of the American Entomological Society 1:375-388. (distribution). - As Scolia xantiana: - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 188 (comb. nov.). - As Trielis octomaculata xantiana:
Scolia regina Cresson, 1865:447, ♀. 2 ♀♀, Colorado Territory, 1864 (leg. Mr. James Ridings). - Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292.:202 ( listed as synonym of Elis xantiana Saussure, 1863); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:179 (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.:1314 ( listed as synonym of Trielis octomaculata texensis (Saussure, 1858)).