1 Zethus coeruleopennis (Fabricius), mesosoma, lateral aspect 2–3 Z. nigerrimus Gusenleitner, ♀ 2 Habitus, lateral aspect 3id., dorsal aspect. Abbreviations: ecc = epicnemial carina; eps = epipleural sulcus; ess = episternal sulcus; mps = mesopleural suture.

  Part of: Tan J-L, Carpenter JM, van Achterberg C (2018) Most northern Oriental distribution of Zethus Fabricius (Hymenoptera, Vespidae, Eumeninae), with a new species from China. Journal of Hymenoptera Research 62: 1-13. https://doi.org/10.3897/jhr.62.23196