Cymatomerini Brunner von Wattenwyl, 1895

Bresseel, Joachim & Vermeersch, Xavier H. C., 1877, The first record of the genus Olcinia Stål, 1877 from Cambodia and Vietnam with the description of two new species (Orthoptera: Tettigoniidae: Pseudophyllinae: Cymatomerini), Belgian Journal of Entomology 56, pp. 1-16 : 1-16

Tribe Cymatomerini Brunner von Wattenwyl, 1895

Keys to the Asian genera of the tribe Cymatomerini Brunner Von Wattenwyl, 1895

1. Profemora distinctly undulate to lamellate ventrally............................................................. 2

- Profemora only very slightly undulate ventrally or straight.................................................. 5

2. Alae not fully developed, only area between costa and first branch of the medial vein present................................................................................................... Platenia Dohrn, 1888

- Alae nearly to fully developed .............................................................................................. 3

4

3. Fore margin of tegmina distinctly crenulated, apex of tegmina broadly rounded................... .................................................................................................................... Olcinia Stål, 1877

- Fore margin of the tegmina not or very faintly undulate, tegmina tapering towards apex ... 4

4. Ovipositor straight ............................................................................ Sathrophyllia Stål, 1874

- Ovipositor upcurved ................................................................... Tegrolcinia De Jong, 1939 *

5. Alae black with paler cross-veins........................................................... Sanaa Walker, 1870

- Alae transparent to brown, often with darker cross-veins..................................................... 6

6. Tegmina with broad yellow band bearing large black dots, almost over the complete length; area around hind- and fore margin and apex coloured brown; Pronotum bright yellow ........................................................................................... Parasanaa Donovan, 1834

- Tegmina without broad yellow marking; Pronotum brown to green .................................... 7

7. Posterior margin of pronotum distinctly notched medially, outer angles rounded ................. .......................................................................................................... Typhoptera Kirby, 1906

- Posterior margin of pronotum not notched but rounded ....................................................... 8

8. Tegmina with parallel borders and bluntly rounded apex; alae sometimes only slightly surpassing tegmina; ovipositor upcurved ................................................ Tegra Walker, 1870

- Tegmina without parallel borders; alae distinctly surpassing tegminae; ovipositor straight .. ........................................................................................ Sathrophylliopsis De Jong, 1939 **

* Currently only females of Tegrolcinia are known.

** Primarily based on the type species as the genus might contain two distinct genera or shows a conspicuous sexual dimorphism.