Nephotettix

Duan, Yani & Zhang, Yalin, 2014, Review of the grassland leafhopper genus Nephotettix Matsumura (Hemiptera: Cicadellidae: Deltocephalinae: Chiasmini) from the Chinese mainland, Zootaxa 3755 (3), pp. 201-229 : 203

Key to species of Nephotettix (males)

1. Aedeagus dorsal longitudinal carinae with no spines at all...................................................... 2

- Aedeagus dorsal longitudinal carinae with at least a single pair of spines.......................................... 3

2. Aedeagus shaft extreme apex viewed laterally narrowed compared to immediately preceding part, apical processes extending and meeting beyond apex of shaft, their margins rounded to each other in ventral view.......................... N. afer

- Aedeagus shaft extreme apex seen laterally as wide as its immediately preceding part, apical processes not reaching apex of shaft, viewed ventrally subparallel to each other.................................................... N. modulates

3. Aedeagus dorsal longitudinal carinae with a single pair of spines......................................... N. parvus

- Aedeagus dorsal longitudinal carinae with more than a single pair of spines........................................ 4

4. Apophysis of style short; aedeagus shaft much constricted...................................................... 5

- Apophysis of style elongate; aedeagus shaft less constricted.................................................... 7

5. Aedeagus median processes short............................................................... N. malayanus

- Aedeagus median processes elongate...................................................................... 6

6. Aedeagus dorsal longitudinal carinae usually with 3–5 spines in one side; if with 3 spines on one side, then with at least 4 spines on other side........................................................................... N. cincticeps

- Aedeagus dorsal longitudinal carinae usually with 2–3 spines on one side............................... N. sympatricus

7. Aedeagus dorsal longitudinal carinae usually with 3–5 spines on one side................................. N. virescens

- Aedeagus dorsal longitudinal carinae usually with 8 pairs spines...................................... N. nigropictus