Yeh, W.-C. & Barthélémy, C. (2023) A taxonomic study on the genus Zethus Fabricius from Hong Kong, with proposal of a new synonym (Hymenoptera: Vespidae: Eumeninae). Zootaxa, 5339 (6), 520–532.
https://doi.org/10.11646/zootaxa.5339.6.2