Key to species of Macromotettixoides Zheng, Wei & Jiang, 2005

1. With vestigial hind wings and externally visible............................................................. 2

-. Tegmina and hind wings absent.......................................................................... 3

2. Width of vertex between eyes 2.0 times width of compound eye in female; median carina of pronotum distinctly arched before shoulders in profile...................................................... M. cliva Zheng, Li, Wang & Niu, 2006

-. Width of vertex between eyes 1.4–1.5 times width of compound eye in female; median carina of pronotum nearly straight in profile................................................................... M. daiyunshanensis Deng, sp. nov.

3. Anterior margin of pronotum obtusely angular.............................................................. 4

-. Anterior margin of pronotum truncate......................................................................6

4. Pronotal disc with many net-like wrinkles and notchs, lower margin of hind pronotal process and lateral carinae of metazona curved..................................................... M. lativertex Deng, Lei, Zheng, Li, Lin & Lin, 2014

-. Pronotal disc smooth and interspersed with dense granules; lower margin of hind pronotal process and lateral carinae of metazona straight..................................................................................... 5

5. Width of vertex between eyes 3.0 times width of compound eye, anterior margin of vertex obtusely angular............................................................................................ M. wuyishana Zheng, 2013

-. Width of vertex between eyes 2.1–2.3 times width of compound eye, anterior margin of vertex arcuate................................................................................ M. jiuwanshanensis Zheng, Wei & Jiang, 2005

6. Hind pronotal process broad and apex concave................................ M. curvimarginus (Zheng & Xu, 2010)

-. Hind pronotal process narrow and apex narrowly rounded..................................................... 7

7. Median carina of pronotum distinctly lamellar and distinctly arch-like in profile or arch-like before shoulders............ 8

-. Median carina of pronotum low and straight or undulated in profile............................................. 10

8. Median carina of pronotum distinctly lamellar and distinctly arch-like in profile............. M. curvicarina Deng, sp. nov.

-. Median carina of pronotum arch-like before shoulders in profile and straight or undulated behind shoulders.............. 9

9. Width of vertex between eyes 2.0 times width of compound eye; pronotal surface without tuberculiform convex between shoulders, median carina of pronotum straight behind shoulders....................... M. wufengensis Zheng, Wei & Li, 2009

-. Width of vertex between eyes 1.4–1.5 times width of compound eye; pronotal surface distinctly tuberculiform convex between shoulders, median carina of pronotum undulated behind shoulders.......................... M. convexa Deng, sp. nov.

10. Lower carinae of fore and middle femora with two to three teeth and distinctly undulated........................... 11

-. Lower carinae of fore and middle femora without tooth and straight or slightly undulated in general....................12

11. Width of vertex between eyes 2.0 times width of compound eye in female; lower outer carina of hind femora smooth and without projection.................................................... M. undulatifemura Deng, Zheng & Yang, 2012

-. Width of vertex between eyes 1.4–1.6 times width of compound eye in female; postmedian of lower outer carinae of hind femora with two projections............................................... M. shengtangshanensis Deng, sp. nov.

12. Pronotum coarse, disc with many net-like wrinkles and notchs................................................ 13

-. Pronotum smooth, disc covered with granules.............................................................. 15

13. Lateral carinae of prozona contracted backward; interhumeral carina absent................. M. taiwanensis (Liang, 2000)

-. Lateral carinae of prozona parallel; interhumeral carina present................................................ 14

14. Median carina of pronotum undulated in profile; width of vertex between eyes 1.7 times width of compound eye................................................................................ M. tuberculata Mao, Li & Han, 2020

-. Median carina of pronotum straight in profile; width of vertex between eyes 1.2 times width of compound eye........................................................................................ M. hainanensis (Liang, 2002)

15. Anterior margin of vertex arcuate; interhumeral carina absent..................... M. badagongshanensis (Zheng, 2013)

-. Anterior margin of vertex truncate; interhumeral carina present................................................ 16

16. Apex of hind process of pronotum truncated; mid femora undulated................... M. truncata Mao, Li & Han, 2020

-. Apex of hind process of pronotum acutely rounded; mid femora straight......................................... 17

17. Width of vertex between eyes 1.3 times width of compound eye; frontal costa concave between lateral ocelli................................................................................................ M. zhengi Deng, 2011

-. Width of vertex between eyes 1.6–2.0 times width of compound eye; frontal costa straight between lateral ocelli............................................................................................ M. longling Deng, 2016