Key to species (males) of Neurotettix Matsumura

(modified from Dai, Xing & Li, 2011)

1. Aedeagal shaft short and robust, in lateral view only slightly longer than dorsal apodeme................... N. flangenus

- Aedeagal shaft long and slender, in lateral view nearly twice as long as dorsal apodeme............................. 2

2. Aedeagus with paired apical processes........................................................... N. bifurcatus

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

3. Gonopore at apex of shaft...................................................................... N. truncatus

- Gonopore subapical on posterior surface of shaft............................................................ 4

4. Aedeagal shaft medially on dorsal side with a short spine; gonopore subapical, about one-fourth distance from shaft apex to base (Figs 9,10)......................................................................... N. spinas sp. nov.

- Aedeagal shaft medially on dorsal side without spine; gonopore subapical, about one-third distance from shaft apex to base........................................................................................... N. horishanus