Hedychridium guatemalense Cameron, 1888:459,Guatemala, Zapote, Panzos (leg. Champion). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl.:459 (listed); Bischoff, 1913Bischoff, H. 1913. Hymenoptera. Fam.Chrysididae. In: Wytsman (Ed.). Genera Insectorum. 1-86. (distribution). - As Exallopyga guatemalensis: - As Holopyga guatemalensis: - Dalla Torre, 1892Dalla Torre, C.G. 1892. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VI: Chrysididae (Tubulifera). Breitkopf & Härtel, Leipzig. 1-118. (distribution).
Holopyga Kohli du Buysson, 1901:100, Rosa et al., 2020Rosa, P., M. Madl, H. Zettel & D. Zimmermann 2020. An illustrated and annotated catalogue of the Chrysididae (Insecta: Hymenoptera) types deposited at the Natural History Museum Vienna. Annalen des Naturhistorischen Museums in Wien, B 122:17-140.:100, Paralectotype ♀ (Natural History Museum Vienna). - Rosa et al., 2020Rosa, P., M. Madl, H. Zettel & D. Zimmermann 2020. An illustrated and annotated catalogue of the Chrysididae (Insecta: Hymenoptera) types deposited at the Natural History Museum Vienna. Annalen des Naturhistorischen Museums in Wien, B 122:17-140.:100 ( listed as synonym of Exallopyga guatemalensis (Cameron, 1888)).