Monedula speciosa Cresson, 1865:470, ♀. Holotype ♀, Colorado Territory, 1864 (leg. Mr. James Ridings); Cameron, 1908Cameron, P. 1908. On some undescribed American Hymenoptera chiefly from the southwest of the United States. Transactions of the American Entomological Society 34:229-246.:237, ♂, Fedor, Texas; Parker, 1929Parker, J.B. 1929. A generic revision of the fossoriel wasps of the tribes Stizini and Bembicini, with notes and descriptions of new species. Proceedings of the United States National Museum 75:1-203.:42, Type ♀ (Entomological Society of Philadelphia). - Handlirsch, 1890Handlirsch, A. 1890. Monographie der mit Nysson und Bembex verwandten Grabwespen. V. Sitzber. Akad. Wiss. Wien Abt. 1 99:77-166. (distribution); Fox, 1893Fox, W.J. 1893. Report on some mexican Hymenoptera, principally from lower California. Proceedings of the California Academy of Sciences ser.2 (4):1-25. (distribution); Handlirsch, 1895Handlirsch, A. 1895. Nachträge und Schlußwort zur Monographie der mit Nysson und Bembex verwandten Grabwespen. Sitzber. Akad. Wiss. Wien Abt. 1 104:801-1079. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution); Cockerell, 1898Cockerell, T.D.A. 1898. Contributions to the entomology of New Mexico. Proc. Davenport Acad. nat. Sci. 7:139-148. (distribution). - As Stictiella speciosa: - Parker, 1917Parker, J.B. 1917. . 1-155. (distribution); Parker, 1929Parker, J.B. 1929. A generic revision of the fossoriel wasps of the tribes Stizini and Bembicini, with notes and descriptions of new species. Proceedings of the United States National Museum 75:1-203. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution).