P. Rosa, C. Felsner, R. Heim, M. Greeff, D. Michez, and M. V. Bernasconi, “The Palaearctic types of Chrysididae (Insecta, Hymenoptera) deposited in the Linsenmaier collection. Part 5. Elampini: genus Holopyga Dahlbom, 1845”, Zootaxa, vol. 5565, no. 1, pp. 1–66, Jan. 2025.