Odynerus pumilus Saussure, 1856:197, ♂.Cayenne (Musée de Neuchatel). - Smith, 1857Smith, F. 1857. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part V. Vespidae. London. 147 pp. (distribution); 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).
Odynerus cristatus Saussure, 1856:196, ♀.Probablement l'Amérique du Nord (Musée de Londres). - As Symmorphus cristatus: - 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); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution). - As Symmorphus cristatus cristatus: - 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).
Odynerus Philadelphiae Saussure, 1857:272,La Pensylvanie. - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, IX. Vespidae (Diploptera). Guilelmi Engelmann, 181. (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.:1506 ( listed as synonym of Symmorphus cristatus cristatus (Saussure, 1856)).
Symmorphus hornii Cameron, 1909:123, ♀. Holotype ♀, Gunnison, Colorado (leg. Baker); Bohart, 1965Bohart, R.M. 1965. Synonymy of North American Odynerini described by Peter Cameron. The Pan-Pacific Entomologist 41 (2):107-113.:110, Holotype ♀ (BMNH). - Bohart, 1965Bohart, R.M. 1965. Synonymy of North American Odynerini described by Peter Cameron. The Pan-Pacific Entomologist 41 (2):107-113.:110 ( listed as synonym of Symmorphus cristatus (Saussure, 1856)); 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.:1506 ( listed as synonym of Symmorphus cristatus cristatus (Saussure, 1856)).