Monedula neglecta Cresson, 1872:222, ♀. ♀, Comal Co. - As Bembecinus neglectus: - 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 Stizus neglectus: - Handlirsch, 1892Handlirsch, A. 1892. Monographie der mit Nysson und Bembex verwandten Grabwespen. VI. Sitzber. Akad. Wiss. Wien Abt. 1 101:25-205. (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).
Stizus xanthochrous Handlirsch, 1892:69, ♂. 6 ♂♂, Texas (Dallas). - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (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.:1703 ( listed as synonym of Bembecinus neglectus (Cresson, 1872)).