Aedeagus, dorsal, and lateral views (after Cho and Borowiec 2016b) 16 Gonioctena oudai 17 G. subgeminata 18 G. tonkinensis. Scale bars: 1.0 mm.

 
 
  Part of: Cho H-W (2021) Definition of the Gonioctena subgeminata species group (Coleoptera, Chrysomelidae, Chrysomelinae), with descriptions of two new species from China and Vietnam. ZooKeys 1032: 79-90. https://doi.org/10.3897/zookeys.1032.63905