Euchroeus edwardsii Cresson, 1879:iv, sex not indicated.California (leg. Henry Edwards); Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:291, Holotype ♀ (ANSP). - As Parnopes edwardsii: - Dalla Torre, 1892Dalla Torre, C.G. 1892. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VI: Chrysididae (Tubulifera). Breitkopf & Härtel, Leipzig. 1-118. (distribution); Cockerell, 1894Cockerell, T.D.A. 1894. Descriptions of new Hymenoptera. Entomological News 5:328-329. (distribution); Viereck, 1904Viereck, H.L. 1904. The North American cuckoo wasps of the genus Parnopes. Transactions of the American Entomological Society 30 (3):245-250. (distribution); Viereck, 1906Viereck, H.L. 1906. Notes and descriptions of Hymenoptera from the western United States. Transactions of the American Entomological Society 32 (2):173-247. (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); Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311. (distribution).
Parnopes boutheryi Brèthes, 1902:287 - 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.:1239 ( listed as synonym of Parnopes edwardsii (Cresson, 1879)).
Parnopes hageni Viereck, 1904:246, ♂♀. Holotype ♀, Yakima City, Washington (Mus. Comp. Zool. Camb.); Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:291, Holotype ♀ (MCZ). - 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.:1239 ( listed as synonym of Parnopes edwardsii (Cresson, 1879)); Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:291 ( listed as synonym of Parnopes edwardsii (Cresson, 1879)).
Parnopes henshawi Viereck, 1904:247, ♂♀. Holotype ♀, Umatilla, Oregon, June 24, 1882 (Mus. Comp. Zool. Camb.); Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:291, Holotype ♀ (MCZ). - 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.:1239 ( listed as synonym of Parnopes edwardsii (Cresson, 1879)); Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:291 ( listed as synonym of Parnopes edwardsii (Cresson, 1879)).