Key to adult males of Corynoneura Winnertz from Zhejiang Province

1 Sternapodeme inverted U-shaped or between U- and V-shaped................................................. 2

- Sternapodeme inverted V-shaped; lateral sternapodemes meeting in sharp point.................................... 5

2 Sternapodeme inverted between U- and V-shaped; transverse sternapodeme rounded; gonostylus almost straight (Fig. 1E)................................................................................. Corynoneura aggeris sp. n.

- Sternapodeme inverted U-shaped; transverse sternapodeme straight; gonostylus apical hooked........................ 3

3 Phallapodeme short and scalpel-like; almost straight, and joint with sternapodeme placed lateral (Fig. 2F)............................................................................................. Corynoneura lateralis sp. n.

- Phallapodeme apical slightly curved; joint with sternapodeme placed caudally..................................... 4

4 Antenna with 8 flagellomeres, AR 0.47; gonostylus short, apical slightly hooked (Fig. 6G)........ Corynoneura recta sp. n.

- Antenna with 11 flagellomeres; AR 0.71; gonostylus relatively long, and apex curved (Fig. 7F).......................................................................................... Corynoneura tokarapequea Sasa et Suzuki

5 Gonostylus with basal lobe on inner margin (Fig. 5E).................................... Corynoneura prolata sp. n.

- Gonostylus without basal lobe on inner margin.............................................................. 6

6 Antenna with 10 flagellomeres.................................................... Corynoneura lobata Edwards

- Antenna with 8 flagellomeres................................................. Corynoneura petitspectabilis sp. n.