Figure 32 from: Tan J-L, Carpenter JM, van Achterberg C (2018) An illustrated key to the genera of Eumeninae from China, with a checklist of species (Hymenoptera, Vespidae). ZooKeys 740: 109-149. https://doi.org/10.3897/zookeys.740.22654

Figure 32 Clypeus (2 left) and distal part of male metasoma in lateral view (2 right). a, b Orancistrocerus drewseni opulentissimus (Giordani Soika) aa Archancistrocerus diffinis Giordani Soika, holotype bb Archancistrocerus sp.