Nguyen, H.V., Nguyen, M.T. and Nguyen, L.T.P. 2024. Discovery of the male of Okinawepipona yty Nguyen, 2018 (Hymenoptera: Vespidae: Eumeninae) from Vietnam. Zootaxa. 5399, 1 (Jan. 2024), 79–84. DOI:https://doi.org/10.11646/zootaxa.5399.1.6.