Rosa, P., Heim, R. and Bernasconi, M.V. 2023. The Palaearctic types of Chrysididae (Insecta, Hymenoptera) deposited in the Linsenmaier collection. Part 4. Elampini: genus Omalus Panzer, 1801. Zootaxa. 5297, 1 (May 2023), 61–86. DOI:https://doi.org/10.11646/zootaxa.5297.1.3.