Gonioctena

Cho, Hee-Wook, 2019, Redescription of mature larva and biological notes on the nominotypical subgenus Gonioctena Chevrolat (Coleoptera: Chrysomelidae: Chrysomelinae) from South Korea, Zootaxa 4544 (4), pp. 557-571 : 570

Key to the mature larva of the subgenus Gonioctena from South Korea

1 Abdomen with dorsal tubercles fused, forming transverse bands................................................. 2

- Abdomen with dorsal tubercles separated from each other..................................................... 4

2 Meso- and metathorax with dorsal tubercles fused, forming transverse bands...................................... 3

- Meso- and metathorax with dorsal tubercles separated from each other.............. G. jacobsoni (Ogloblin & Medvedev)

3 Abdominal segments I–VI with DLae and DLp fused with other tubercles............. G. ogloblini Medvedev & Dubeshko

- Abdominal segments I–VI with DLae and DLp separated from other tubercles................. G. koryeoensis Cho & Lee

4 Meso- and metathorax with 1 long and 1 short setae on tubercle Dai; Dpi on both sides of abdominal segments I–V completely or weakly fused....................................................................................... 5

- Meso- and metathorax with 1 long and 2 short setae on tubercle Dai; Dpi on both sides of abdominal segments I–V completely separated........................................................................... G. coreana (Bechyně)

5 Tubercles covered with relatively long setae; abdominal segments I–V with Dpi on both sides completely fused; basal tooth of tarsungulus weakly developed........................................................ G. gracilicornis (Kraatz)

- Tubercles covered with relatively short setae; abdominal segments I–V with Dpi on both sides weakly fused; basal tooth of tarsungulus well developed.............................................................. G. viminalis (Linnaeus)