Synapomorphic characters of Zethus (Zethus) A habitus of Z. coeruleopennis B head of Z. infundibuliformis, oblique posterior view. 42. Mesoscutum of Z. discoelioides, dorsal view; arrowhead indicates incomplete notaulus. 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.