Zoogeographical map illustrating Zethus spp. recorded from Oriental and Palaearctic regions; Z. favillaceus is included as borderline species. Map from: http://blogs.discovermagazine.com.

 
 
  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