Figs 13–21. 13–18 in Revision of theGonioctena flavoplagiata species-group (Coleoptera: Chrysomelidae: Chrysomelinae), with descriptions of two new species from China and Laos

Figs 13–21. 13–18 – Gonioctena (A.) eburoides (Achard, 1924): 13 – antenna; 14 – aedeagus (dorsal and lateral views); 15–17 – variation of apex of aedeagus (15–16 – Sa Pa; 17 – Tam Dao); 18 – spermatheca. 19–21 – G. (A.) flavoplagiata (Jacoby, 1890): 19 – antenna; 20 – aedeagus, paralectotype (dorsal view, detail of apex in dorsal view and lateral view); 21 – spermatheca. Scale bars = 1.0 mm (except Figs 18, 21 = 0.5 mm).