Key to species of the genus Prosopogryllacris from China

1 Fastigium of vertex yellowish brown or pale yellowish green................................................... 2

- Fastigium of vertex testaceous............................................ P. personata (Audient-Serville, 1831)

2 Ocelli small and unconspicuous; process of female 7th abdominal sternum acute.. P. japonica (Matsumura et Shiraki, 1908)

- Ocelli large and obvious; process of female 7th abdominal sternum cylindrical, posterior margin rounded................ 3

3 Hind margin of male subgenital plate without V-shaped notch; ovipositor 13–20mm long............................. 4

- Hind margin of male subgenital plate with V-shape notch; ovipositor 25mm long...................... P. incisa sp. nov.

4 Hind margin of female subgenital plate with V-shape notch............................ P. cylindrigera (Karny, 1926)

- Hind margin of female subgenital plate with shallow notch..................................... P. chinensis sp. nov.