Alyson texanus Cresson, 1872:226, ♂. Holotype ♂, Texas (G.W. Belfrage). - As Alysson texanus: - As Didineis texana: - Handlirsch, 1888Handlirsch, A. 1888. Monographie der mit Nysson und Bembex verwandten Grabwespen. II. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe 96:219-311. (distribution); Fox, 1894Fox, W.J. 1894. Studies among the fossorial Hymenoptera. – II. Synopsis of the N. Am. species of the genus Didineis Wesmael. Entomological News 5:126-128. (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); Bradley, 1920Bradley, J.C. 1920. Descriptions, records and notes on North American Nyssonidae (Hymenoptera). Transactions of the American Entomological Society 46 (2):113-132. (distribution); Krombein, 1963Krombein, K.V. 1963. Natural history of Plummers Island, Maryland. XVII. Annotated list of the wasps (Hymenoptera: Bethyloidea, Scolioidea, Vespoidea, Pompiloidea, Sphecoidea). Proceedings of the Biological Society of Washington 76:255-280. (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); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139. (distribution); Horta Vega et al., 2007Horta Vega, J.V., O.N. Pinson Domínguez, L. Barrientos Lozano & A. Correa Sandoval 2007. Sphecidae y Crabronidae (Hymenoptera) de algunos municipios del centro y sur de Tamaulipas, México. Acta Zool. Mex. (n.s.) 23:35-48. (distribution).