Leptochilus (Lionotulus) callidus (Kostylev, 1940) ♀ 17, 19, 21, 23–26 ♂ 18, 20, 22. 17, 18 habitus in dorsal view 19, 20 head in frontal view 21 vertex and pronotum 22 part of antenna 23 propodeum in posterior view 24 gena in lateral view 25, 26 metasoma in lateral view.

 
 
  Part of: Bai Y, Chen B, Li T-J (2024) A newly recorded genus Microdynerus Thomson, 1874 and a review of its related genus Leptochilus de Saussure, 1853 (Hymenoptera, Vespidae, Eumeninae) from China. Journal of Hymenoptera Research 97: 57-83. https://doi.org/10.3897/jhr.97.112108