Gonioctena gracilicornis. 17 Antenna (♂, ♀) 18 Aedeagus (Amur) 19 Aedeagus (Tuva, Russia) 20 Aedeagus (Ulan Bator, Mongolia) 21 Aedeagus (Transbaikalia) 22 Aedeagus (Charbin, China) 23 Aedeagus (Pyeongchang, South Korea) 24 Aedeagus (Anisimovka, Russia) 25 Color variation. Scale bars = 1.0 mm.

 
 
  Part of: Cho H-W, Kippenberg H, Borowiec L (2016) Revision of the Gonioctena nivosa species-group (Coleoptera, Chrysomelidae, Chrysomelinae) in the Holarctic region, with descriptions of two new species. ZooKeys 596: 87-128. https://doi.org/10.3897/zookeys.596.8725