Cyrta, Melichar, 1902

Zhang, Lan & Xing, Jichun, 2019, Key to species of the genus Cyrta Melichar (Hemiptera: Cicadellidae: Deltocephalinae) with description of a new species, Zootaxa 4658 (2), pp. 383-388 : 384

Key to species (males) of Cyrta , modified from Wei, Webb & Zhang (2008)

1. Aedeagus with two or four apical processes................................................................ 2

- Aedeagus without apical process......................................................................... 3

2. Aedeagus with four apical processes............................................................... C. furcata

- Aedeagus with two apical processes............................................................. C. orientalis

3. Male pygofer with inner process......................................................................... 4

- Male pygofer without inner process....................................................................... 9

4. Inner process of male pygofer with apex exceeding dorsal margin of pygofer side.................................. 5

- Inner process of male pygofer with apex not exceeding dorsal margin of pygofer side............................... 6

5. Inner process divaricated at basal 1/3 with a short process tapering at apex................................. C. hornei

- Inner process without short process................................................................ C. coalita

6. Aedeagus with a long lateral process basally...................................................... C. flosifronta

- Aedeagus without long lateral process basally............................................................... 7

7. Frontoclypeus with a somewhat funnel-shaped yellow longitudinal patch medially; style twisted, basal part laterally curved in dorsal view................................................................................. C. incurvata

- Frontoclypeus and style not as above...................................................................... 8

8. Aedeagus strongly narrowed subbasally in ventral view; valve articulated to subgenital plate................. C. striolata

- Aedeagus not as above, valve fused to subgenital plate.............................................. C. fujianensis

9. Aedeagus with pair of long lateral processes basally............................................. C. longiprocessa

- Aedeagus without pair of lateral processes basally.......................................................... 10

10. Style with basal part short and distinctly enlarged.............................................. C. nigrocupulifera

- Style normal, not as above............................................................................. 11 11. Aedeagal shaft with several stout spines laterally..................................................... C. spinosa - Aedeagal shaft without stout spines laterally............................................................... 12 12. Aedeagal shaft with dense tubercles laterally.............................................................. 13 - Aedeagal shaft without dense tubercles laterally............................................................ 14 13. Aedeagal shaft weakly tapered from base to apex in lateral view......................................... C. hirsuta - Aedeagal shaft strongly tapered from base to apex in lateral view................................. C. tiantaishanensis 14. Aedeagal shaft double layered at midlength, apex incised in ventral view............................ C. condupulicata - Aedeagal shaft not as above............................................................................ 15 15. Aedeagal shaft with lateral margin regularly serrate......................................................... 16 - Aedeagal shaft without lateral margin serrate.............................................................. 17 16. Valve fused to subgenital plates................................................................... C. dentata - Valve articulated to subgenital plates.............................................................. C. brunnea 17. Forewing with dark transverse band at midlength...................................................... C. vicina - Forewing without dark transverse band................................................................... 18 18. Aedeagal shaft short and cone-shape........................................................ C. longwanshensis - Aedeagal shaft not as above............................................................................ 19 19. Aedeagal shaft tubular, narrow and long in ventral view........................................... C. webbi sp.nov. - Aedeagul shaft distinctly broadened medially in ventral view.......................................... C. testacea