Nortonia Tolteca Saussure, 1875:140, ♂♀.Valley of Meztitlan (eastern Cordillera), Morelia, Pazcuaro (Michoacan). - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, IX. Vespidae (Diploptera). Guilelmi Engelmann, 181. (distribution); Zavattari, 1912Zavattari, E. 1912. Materialien für eine Monographie der Neotropischen Eumeniden. Archiv für Naturgeschichte 78:1-272. (distribution). - As Paranortonia symmorphus toltecus: - 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); Ruíz-Cancino et al., 2005Ruíz-Cancino, E., J.M. Coronado-Blanco & J.V. Horta Vega 2005. Conocimiento actual de las avispas depredadoras (Hymenoptera) en Tamaulipas, México. In: Lozano, L. B., A.C. Sandoval, J.V.H. Vega & J.G. Jiménez (Ed.). Biodiversidad tamaulipeca: vol. 1. 164-170. (distribution). - As Parazumia tolteca: - Carpenter & Garcete-Barrett, 2005Carpenter, J.M. & Garcete-Barrett, B.R. 2005. Revision of the genus Parazumia de Saussure (Hymenoptera:Vespidae; Eumeninae). Folia Entomológica Mexicana 44 (supl. 1):21-34. (distribution), 31 (revised status).
Pachymenes symmorphus sonorensis Bequaert, 1940:101 Synonymized with Parazumia tolteca (Saussure, 1875) by Carpenter & Garcete-Barrett, 2005Carpenter, J.M. & Garcete-Barrett, B.R. 2005. Revision of the genus Parazumia de Saussure (Hymenoptera:Vespidae; Eumeninae). Folia Entomológica Mexicana 44 (supl. 1):21-34.:31.