Synapomorphic characters of Zethus (Wettsteinia) A habitus of Z. sichelianus B forewing of Z. adonis; arrow indicates acute apex of marginal cell. 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.