Part of mouthparts showing labial palpus (a, aa) and metasomal sterna (SII-VII) of male (b, bb). a Onychopterochilus mochii (Giordani Soika) b Pterocheilus p. phaleratus (Panzer) aa–bb Odynerus albopictus (de Saussure).

 
 
  Part of: 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