Zethus nullimarginatus sp. nov., holotype 26 habitus in dorsal view, ♀ 27 head in frontal view, ♀ 28 vertex, ♀ 29 mesosoma, ♀ 30 propodeum in dorsal view, ♀ 31 propodeum in lateral view, ♀ 32 propodeum in dorsal-lateral view, ♀ 33 metasoma in lateral view, ♀ 34 T1, ♀ 35 S1, ♀.

 
 
  Part of: Wang H-C, Chen B, Li T-J (2019) Three new species of the genus Zethus Fabricius, 1804 (Hymenoptera, Vespidae, Eumeninae) from China, with an updated key to the Oriental species. Journal of Hymenoptera Research 71: 209-224. https://doi.org/10.3897/jhr.71.34871