Left half of the clypeus and left mandible. The orange double-headed arrow indicates the height of the main disc of the clypeus (M), and the blue double-headed arrow indicates the height of the ventral section (V). The clypeal index (CLI) is defined as M/V.

 
 
  Part of: Kim J, Kwon O-S, Yamane S, Choi MB (2025) Comparative morphological analysis of mature larvae of eight Vespa Linnaeus, 1758 species (Hymenoptera, Vespidae) in South Korea. Journal of Hymenoptera Research 98: 435-465. https://doi.org/10.3897/jhr.98.141572