Taxonomic study of the leafhopper genus Singapora (Hemiptera: Cicadellidae Typhlocybinae: Erythroneurini) from China with a new species Author Lin, Shuanghu Key Laboratory of Plant Protection Resources and Pest Management, Ministry of Education, Entomological Museum, Northwest A & F University, Yangling, Shaanxi 712100, China & 509082999 @ qq. com; https: // orcid. org / 0000 - 0003 - 0625 - 5381 Author Zhang, Yalin Key Laboratory of Plant Protection Resources and Pest Management, Ministry of Education, Entomological Museum, Northwest A & F University, Yangling, Shaanxi 712100, China text Zootaxa 2020 2020-07-02 4808 2 365 372 journal article 10.11646/zootaxa.4808.2.8 1175-5326 3933626 E5684AFC-7162-4638-AA05-708128125E11 Key to species of the genus Singapora (males) 1. Aedeagal shaft with processes ( Figs. 2g , h )................................................................. 2 1’ Aedeagal shaft without process ( Figs. 3g , h )................................................................ 9 2. Aedeagal shaft compressed............................................................................. 3 2’ Aedeagal shaft tubular, not compressed ( Figs. 2g , h ).......................................................... 4 3. Aedeagal shaft with apical processes lamellate, longer than shaft............................. S. bannaensis Song & Li 3’ Aedeagal shaft with apical processes slim, shorter than shaft......................................... S. arifi Ghauri 4. Aedeagal shaft with three processes apically........................................... S. triacantha Yang & Zhang 4’ Aedeagal shaft with paired processes apically or subapically ( Figs. 2g , h )......................................... 5 5. Aedeagal shaft with paired processes directed dorsad...................................... S. candela Yang & Zhang 5’ Aedeagal shaft with paired processes directed ventrad ( Figs. 2g , h ).............................................. 6 6. Anal tube appendage without apical hook, aedeagal shaft with paired processes subapically................................................................................................................. S. diversa Ghauri 6’ Anal tube appendage with distinct apical hook, aedeagal shaft with paired processes apically......................... 7 7. Inner protrusion of style subapical, aedeagal shaft with tiny process terminally................ S. nigropunctata Mahmood 7’ Inner protrusion of style near center, aedeagal shaft without tiny process terminally ( Figs. 2e, f, g, h )................... 8 8. Anal tube appendage with apex arcuate................................................ S. fopingensis Chou & Ma 8’ Anal tube appendage with apex sinuate ( Fig. 2d )...................................... S. yingjiangica Cao & Zhang 9. Pronotum with yellow brownish markings................................................. S. cyclops (Kuznezov) 9’ Pronotum without markings............................................................................ 10 10. Aedeagal shaft with smooth lateral sides ( Fig. 3g ).......................................................... 11 10’ Aedeagal shaft with serrated lateral sides................................................................. 16 11. Style with apex sharply or obviously curved laterad, inner protrusion near center ( Figs. 3e, f )........................ 12 11’ Style with apex gradually curved laterad, inner protrusion subapical............................................ 14 12. Anal tube appendage rounded apically, aedeagal preatrial process curved dorsad................. S. falcata Cao & Zhang 12’ Anal tube appendage pointed apically, aedeagal preatrial process curved ventrad apically)........................... 13 13. Style with apex obviously curved laterad ( Figs. 3e, f )............................ S. shiqianensis Lin & Zhang sp. nov. 13’ Style with apex sharply curved laterad.............................................. S. longiantrosa Yang & Zhang 14. Aedeagal preatrial process tapering to apex gradually..................................... S. shinshana (Matsumura) 14’ Aedeagal preatrial process tapering towards midlength, apical half even in thickness............................... 15 15. Anal tube appendage short, not reaching hind margin of pygofer side, manubrium of connective broad, aedeagal preatrial process straight in distal half....................................................... S. victoreena Chiang & Knight 15’ Anal tube appendage long, exceeding hind margin of pygofer side, manubrium of connective narrow, aedeagal preatrial process curved dorsad in distal half.......................................................... S. excedens Yang & Zhang 16. Body larger than 3.7mm , anal tube appendage blunt ventro-caudally.......... S. karnatakana Viraktamath & Dworakowska 16’ Body smaller than 3.4mm , anal tube appendage pointed ventro-caudally......................................... 17 17. Abdominal apodemes short, extended to anterior margin of 4th sternite, aedeagal shaft T-shaped apically in caudal view..................................................................................... S. shivae Dworakowska 17’ Abdominal apodemes long, extended to 5th sternite, apex of aedeagal shaft not T-shaped in caudal view............... 18 18. Apex of aedeagal shaft truncate apically in caudal view..................................... S. viridis Dworakowska 18’ Apex of aedeagal shaft rounded and serrated apically in caudal view.................. S. indica (Ramakrishnan & Menon)