Macromotettix Günther

Deng, Weian, Zheng, Zhemin & Wei, Shizhen, 2007, A taxonomic study of the genus Macromotettix Günther (Orthoptera: Tetrigoidea: Metrodoridae), Zootaxa 1620, pp. 63-68 : 64-65

Key to the species of Macromotettix Günther

1. Body slender, hind process surpassing behind the top of hind femur ..........................................................2

- Body stout; hind process not surpassing behind the top of hind femur........................................................6

2. Width of vertex wider than or equal to the width of an eye.........................................................................3

- Width of vertex narrower than the width of an eye......................................................................................5

3. Width of vertex equal to the width of an eye, pronotum extending far beyond the top of hind femora, lower margins of middle femora undulated..................................................................................................4

- Width of vertex wider than the width of an eye, pronotum extending slightly beyond the top of hind femora, lower margins of middle femora straight. Distribution in Solomon Islands and Guadalcanal ......... ...................................................................................................... Macromotettix solomonennis Günther

4. Lateral keels of prozona constricted backward; hind wings extending beyond the caudal end of pronotum. Distribution in China (Yunnan) ............................................................ Macromotettix longipennis Zheng

- Lateral keels of prozona parallel, hind wings not reaching the caudal end of pronotum. Distribution in Vietnam ( Tonkin)............................................................................... Macromotettix tonkinennis Günther

5. Disc of pronotum with numerous small tubercles, hind wings reaching the caudal end of pronotum, hind tibia yellowish brown, with two black transverse spots. Distribution in Taiwan........................................... .......................................................................................................... Macromotettix sokutsuensis Karny

- Disc of pronotum smooth, hind wings extending beyond the caudal end of pronotum, hind tibia brown, with a light ring near the base. Distribution in Indonesia (Sumatra) ............................................................. .................................................................................................... .. Macromotettix quadricarinatus Bolivar

6. Width of vertex 1.5 times the width of an eye; disc of pronotum with numerous small tubercles, midkeel interrupted behind shoulders. Distribution in China (Yunnan and Guangxi) ................................................. .............................................................................................................. Macromotettix torulosinota Zheng

- Width of vertex equal to or narrower than the width of an eye....................................................................7

7. Veretex and frontal ridge forming an obtused angular in profile..................................................................8

- Vertex and frontal ridge forming a round shape in profile.........................................................................15

8. Hind process not surpassing behind the top of hind femur...........................................................................9

- Hind process reaching or slightly surpassing behind the top of hind femur...............................................12

9. Lateral keels of prozona parallel.................................................................................................................10

- Lateral keels of prozona constricted backward...........................................................................................11

10. Disc of pronotum smooth, with abbreviated carinae between shoulders, wing surpassing behind the caudal end of pronotum. Distribution in China (Guangxi) ................. Macromotettix yaoshanensis Zheng et Jiang

- Disc of pronotum with numerous small tubercles, without abbreviated carinae between shoulders, wing not reaching the caudal end of pronotum. Distribution in China (Guangxi).................................................. ................................................................................................. Macromotettix tianlinensis Liang et Jiang

11. Head raised above pronotum, width of vertex equal to the width of an eye, hind process reaching the knee of hind femur, lower margins of fore and middle femora slightly undulated, width of midfemur as wide as the width of tegmina, hind tibia yellow brown, with two black bands. Distribution in China (Guangxi) ....

........................................................................................ ... Macromotettix luoxiaoshanensis Zheng et Fu - Head not raised above pronotum, width of vertex narrower than the width of an eye, hind process not reaching the knee of hind femur, lower margins of fore and middle femora straight, width of midfemur narrower than the width of tegmina, hind tibia black. Distribution in China (Hunan)................................... ......................................................................................................... Macromotettix nigritibis Zheng et Fu

12. Lateral keels of prozona constricted backward...........................................................................................13

- Lateral keels of prozona parallel.................................................................................................................14

13. Frontal ridge not cocave before lateral ocellus, in profile,anterior half of disc of pronotum arched, posterior half flat, hind process of pronotum surpassing top of hind femur, wings not reaching the caudal end of pronotum, lower margins of midfemur undulated. Distribution in China (Guangxi) .................................... ............................................................................................. Macromotettix longtanensis Zheng et Jiang

-. Frontal ridge cocave before lateral ocellus, upper margin of pronotum undulated in profile, hind process of pronotum reaching top of hind femur, wings reaching top of the caudal end of pronotum, lower margins of midfemur straight. Distribution in China (Guangxi)..................... Macromotettix guangxiensis sp.nov.

14. Width of vertex narrower than width of an eye, with abbreviated carinae between shoulders, upper keel of hind femur with large teeth. Distribution in China (Yunnan) Macromotettix wuliangshana Zheng et Ou

- Width of vertex 1.3 times the width of an eye, without abbreviated carinae between shoulders, upper keel of hind femur smooth. Distribution in China (Guangxi) ................... Macromotettix nigritubercle Zheng

15. Hind wing only reaching five sixths of hind process, upper keel of hind femur smooth, lower outside of hind femur not black, hind tibia brown. Distribution in China (Yunnan)....................................................... .............................................................................................................. Macromotettix brachynota Zheng

- Hind wing reaching the caudal end of pronotum, upper keel of hind femur with fine teeth, lower outside of hind femur black, hind tibia dark brown, with two slight rings. Distribution in China (Guangxi) ............ ............................................................................................. Macromotettix serrifemoralis Zhenf et Jiang