Figure 38 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 38 Maxillary palpus (a left) and labial palpus (b right), mouthpart palpi (aa), head in dorsal view (b, bb), part of mesosoma in dorso-caudal view (c, cc, cc'). a–c Gribodia sp. aa, bb Stenodyneriellus guttulatus (de Saussure) cc Stenodyneriellus sp. cc' Epsilon dyscherum (de Saussure).