A, B Carinostigmus capiconvergens Bashir & Ma, sp. nov. (A female B male) C Carinostigmus longivertex Bashir & Ma sp. nov. (female) D, E Carinostigmus rugipunctatus Bashir & Ma sp. nov. (D female E male) F Carinostigmus triangularis Bashir & Ma, sp. nov. (female) A–F lateral view. Scale bars: 1.0 mm.

 
 
  Part of: Bashir NH, Li Q, Ma L (2021) Four new species of the genus Carinostigmus Tsuneki (Hymenoptera, Apoidea, Crabronidae) from Oriental China, with an updated key to the Chinese species. Journal of Hymenoptera Research 81: 87-107. https://doi.org/10.3897/jhr.81.61892