Corynoneura Winnertz, 1846

Fang, Xiangliang, Wang, Xinhua & Fu, Yue, 2014, A New Species of Corynoneura Winnertz from Oriental China (Diptera: Chironomidae: Orthocladiinae), Zootaxa 3884 (6), pp. 567-572 : 571

Key to males of Corynoneura Winnertz from Oriental China

1. Gonostylus with basal lobe on inner margin................................................................. 2

– Gonostylus without basal lobe on inner margin.............................................................. 3

2. Transverse sternapodeme absent, inferior volsella digtiform. ( Hirvenoja & Hirvenoja 1988, Fig. 2. Note: According to the Neotype designated in Hirvenoja & Hirvenoja 1988, transverse sternapodeme absent (lateral sternapodemes meeting in sharp point) in C. scutellata , figs of this species in Schlee 1968 which referred transverse sternapodeme present should be error)...................................................................................... C. scutellata Winnertz

– Transverse sternapodeme present, inferior volsella absent ( Fu, Saether & Wang 2009, Fig. 14)..................................................................................................... C. medicina Fu, Saether & Wang

3. Sternapodeme inverted U shaped, transverse sternapodeme present.............................................. 4

– Sternapodeme inverted V shaped, transverse sternapodeme absent, lateral sternapodemes meeting in sharp point.......... 7

4. Anal point represented by hump-like extension of tergite ( Fu, Saether & Wang 2009, Fig. 16).................................................................................................... C. prominens Fu, Saether et Wang

– Anal point absent...................................................................................... 5

5. Antenna with 11 flagellomeres, sternapodeme with developed oral projection......................... C. ecphora sp. n.

– Antenna with 9–10 flagellomeres, sternapodeme with undeveloped oral projection.................................. 6

6. Posterior margin of tergite IX with 4 setae on each side; phallapodeme almost straight ( Fu, Saether & Wang 2009, Fig. 13)........................................................................... C. macdonaldi Fu, Saether et Wang

– Posterior margin of tergite IX without setae; phallapodeme curved(Tokunaga 1936, Fig. 17)....... C. yoshimurai Tokunaga

7. Inferior volsella absent or barely indicated as long low inner margin of gonocoxite.................................. 8

– Inferior volsella present................................................................................ 9

8. Antenna with 7 flagellomeres, ultimate flagellomere with distal black rosette; tergite IX medially incurved with posterior humps with indication of median mounds; gonostylus strongly curved ( Fu, Saether & Wang 2009, Fig. 12)........................................................................... C. latusatra Fu, Saether et Wang

– Antenna with 10 flagellomeres; ultimate flagellomere distal without black rosette; tergite IX straight, without posterior humps without indication of median mounds; gonostylus straight ( Fu, Saether & Wang 2009, Fig. 3)...................................................................................................... C. confidens Fu, Saether et Wang

9. Phallapodeme with lateral apex bifid, enclosing knob joint with sternapodeme ( Fu, Saether & Wang 2009, Fig. 11)...................................................................................... C. korema Fu, Saether et Wang

– Phallapodeme with projection for joint with sternapodeme placed pre-lateral...................................... 10

10. Antenna with 10 flagellomeres; gonostylus median very expanded and apical hooked ( Schlee 1968, Fig. 24–30, 80–83)...................................................................................... C. lobata Edwards, 1924

– Antenna with 9 flagellomeres; gonostylus slender and apical hooked (Sublette & Sasa 1994, Figs 44–51; Wiedenbrug, Lamas & Trivinho-Strixino, 2012, Fig. 13)............................................... C. ferelobatus Sublette et Sasa