Synapomorphic characters of Zethus (Didymogastra) indicated in Z. fuscus A habitus B mesepimeron, posterior view; arrow indicates posterior carina C second metasomal tergum; arrow indicates stem. Scale bars: 1.0 mm.

 
 
  Part of: Lopes RB, Carpenter JM, Noll FB (2021) Cladistic analysis of Zethus Fabricius, 1804 (Hymenoptera, Vespidae): a new subgeneric classification. Journal of Hymenoptera Research 82: 253-283. https://doi.org/10.3897/jhr.82.65760