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

Published as part of Qin, Dao-Zheng & Zhang, Ya-Lin, 2011, Taxonomic study of the typhlocybine leafhopper genus Alebroides Matsumura (Hemiptera: Cicadellidae) in China, pp. 31-44 in Zootaxa 2987 on pages 32-33, DOI: 10.5281/zenodo.203607