Alebroides Matsumura

Qin, Dao-Zheng & Zhang, Ya-Lin, 2011, Taxonomic study of the typhlocybine leafhopper genus Alebroides Matsumura (Hemiptera: Cicadellidae) in China, Zootaxa 2987, pp. 31-44 : 32-33

Key to species for Chinese Alebroides Matsumura (males)

1. Aedeagus with preatrium produced ventrally near its base...................................................... 2

- Aedeagus with preatrium not produced ventrally............................................................. 3

2. Ventral pygofer appendage with sculpture of minute hairlike outgrowths in apical third...................... A. barbatus

- Ventral pygofer appendage smooth, without hairlike outgrowths............................................ A. rayi

3. Ventral pygofer appendage bifurcated apically.................................................. A. nigroscutellus

- Ventral pygofer appendage unbifurcated apically............................................................. 4

4. Anal tube process with lobate branch...................................................................... 5

- Anal tube process without lobate branch................................................................... 8

5. Aedeagal shaft with lateral processes; abdominal apodemes reaching anterior part of segment 6................. A. haedus

- Aedeagal shaft without lateral processes; abdominal apodemes reaching end of segment 5............................ 6

6. Ventral pygofer appendage abrupt at apex dorsally................................................... A. vicarius

- Ventral pygofer appendage terminated in dorsal process, not abrupt at apex........................................ 7

7. Anal tube appendage evenly curved in apical half; lobate branch situated at base of anal tube process.... A. muzitaneus n. sp.

- Anal tube appendage sinuate in apical half; lobate branch situated at midlength of anal tube process............ A. fumosus

8. Anal tube process bifurcated apically...................................................................... 9

- Anal tube process unbifurcated apically................................................................... 11

9. Ventral pygofer appendage bearing a row of latero-ventral teeth in caudal half........................... A. marginatus

- Ventral pygofer appendage not bearing latero-ventral teeth in caudal half......................................... 10

10. Male pygofer almost quadrangular; aedeagus in ventral view widest in apical 2 / 5.......................... A. flavifrons

- Male pygofer narrowing caudad, not quadrangular; aedeagus in ventral view widest at subapex................. A. similis

11. Aedeagal shaft at least twice as long as the preatrium.................................................. A. ursulae

- Aedeagal shaft shorter or at most, nearly as long as the preatrium............................................... 12

12. Ventral pygofer appendage bearing depression or concavity subapically.......................................... 13

- Ventral pygofer appendage not as above................................................................... 20

13. Ventral pygofer appendage sinuate....................................................................... 14

- Ventral pygofer appendage arcuate....................................................................... 16

14. Anal tube process sinuate................................................................ A. parafuscus n. sp.

- Anal tube process arcuate.............................................................................. 15

15. Ventral pygofer appendage with a few concavities on dorsal side.......................................... A. salicis

- Ventral pygofer appendage with concavity absent, if present, then on ventral side....................... A. yanglinginus

16. Anal tube process long, arcuate, reaching half the height of pygofer................................... A. shirakiellus

- Anal tube process short, sinuate, falcate, or strongly curved in middle to subapex, not reaching half the height of pygofer.. 17

17. Aedeagal shaft in profile with large protrusion baso-ventrally.......................................... A. toroensis

- Aedeagal shaft in profile without protrusion baso-ventrally.................................................... 18

18. Aedeagus in ventral view widest near apex; abdominal apodemes reaching end of segment 4................ A. obliteratus

- Aedeagus in ventral view widest at apical 2 / 5.............................................................. 19

19. Anal tube process distinctly sinuate in lateral view................................................... A. sinuatus

- Anal tube process falcate in lateral view............................................................ A. falcatus

20. Ventral pygofer appendage straight....................................................................... 21

- Ventral pygofer appendage arcuate....................................................................... 22

21. Aedeagus with preatrium s-shaped in profile; abdominal apodemes reaching end of segment 4................ A. discretus

- Aedeagus with preatrium almost straight in profile; abdominal apodemes reaching near caudal extreme of segment 5............................................................................................... A. shaanxiensis

22. Ventral pygofer appendage covered with sculpture of minute hair-like cuticular outgrowths.......................... 23

- Ventral pygofer appendage not as above................................................................... 24

23. Aedeagal shaft with dorsal apical hook elongated and narrow; ventral pygofer appendage without deep serration on ventral margin..................................................................................... A. wushensis

- Aedeagal shaft with dorsal apical hook short; ventral pygofer appendage with deep serration on ventral margin...................................................................................................... A. rubicundus

24. Aedeagal shaft with pair of lateral processes....................................................... A. waimingi

- Aedeagal shaft without pair of lateral processes............................................................. 25

25. Anal tube process curved apically; aedeagus shaft without broad blunt ventral protrusion at midlength..... A. dworakowskae

- Anal tube process sinuate apically; aedeagus shaft with broad blunt ventral protrusion at midlength............... A. luteus