Macromotettixoides Zheng, Wei & Jiang, 2005

Han, Yu-Peng, Li, Miao & Mao, Ben-Yong, 2020, A taxonomic study of the genus Macromotettixoides (Tetrigidae, Metrodorinae) with descriptions of two new species and two newly discovered males, Zootaxa 4718 (4), pp. 562-572 : 563-564

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

1 Pronotum flattened, nearly at the same level................................................................ 2

- Pronotum distinctly roof-like in lateral view................................................................ 4

2 Anterior margin of pronotum broadly arcuate forward; humeral angles also broadly arcuate (Hainan)............................................................................................... M. hainanensis ( Liang, 2002)

- Anterior margin of pronotum truncated; humeral angles obtuse angled........................................... 3

3 Prozonal carinae contracted backward; hind process reaching middle of hind femur; vertex 1.4 times as wide as one eye ( Taiwan)........................................................................ M. taiwanensis ( Liang, 2000)

- Prozonal carinae parallel; hind process reaching knee of hind femur; vertex 2.0 times as wide as one eye (Guizhou).................................................................................... M. parvula Zha & Wen, 2017

4 Anterior margin of pronotum obtusely angled forward........................................................ 5

- Anterior margin of pronotum truncated.................................................................... 9

5 Upper margin of pronotum wholly arcuate or nearly straight in lateral view; hind process reaching apex of hind femur..... 6

- Upper margin of pronotum, in lateral view, arcuate only before humeral angles while straight or undulated behind humeral angles; hind process not reaching apex of hind femur......................................................... 8

6 Vertex 3.0 times as wide as one eye, anterior margin obtusely angled (Fujian).............. M. wuyishana Zheng, 2013a

- Vertex 2.1–2.3 times as wide as one eye, anterior margin arcuate................................................ 7

7 Vertex together with frontal costa right angled; humeral angles obtusely angled, interhumeral carina absent; middle of posterior margin of female subgenital plate with a triangula protrusion (Guangxi).... M. jiuwanshanensis Zheng, Wei & Jiang, 2005

- Vertex together with frontal costa rounded; humeral angles absent, paired interhumeral carinae presented; posterior margin of female subgenital plate with three serrations (Jiangxi)............................. M. jinggangshanensis Deng, 2016

8 Longitudinal furrow between antennae 1.6 times as wide as diameter of scapus; pronotal disc with many net-like wrinkles; humeral angles indistinct; fore and mid femora with lower margins a little undulate (Guangxi).................................................................................................... M. lativertex Deng et al., 2014

- Longitudinal furrow between antennae as wide as diameter of scapus; pronotal disc smooth; humeral angles arcuate; fore and mid femora with lower margins straight (Jiangxi)................................ M. brachynota Zheng & Shi, 2009

9 Pronotum with shoulders inclined, humeral angle indistinct................................................... 10

- Pronotum with shoulders relatively flat, humeral angle distinct................................................ 13

10 Antennal sockets situated below the level of ventral margins of eyes, or the upper margins of antennal base segments level with the ventral margins of eyes at most...................................................................... 11

- Antennal sockets distinctly situated between the level of ventral margins of eyes.................................. 12

11 Prozonal carinae running parallel; hind process with netted keels, apex narrow and concave (Sichuan)................................................................................ M. undulatifemura Deng, Zheng & Yang, 2012

- Distance between prozonal carinae gradually narrowed backward; hind process with tubercula and paired thick keels, apex relatively broad and rounded (Yunnan)...................................... M. tuberculata Mao, Li & Han , sp. n.

12 Hind process shorter, reaching 2/3 of hind femora, apex concave; vertex broader, 2.0 times as wide as one eye in female (Yun- nan)................................................................. M. curvimarginus ( Zheng & Xu, 2010)

- Hind process longer, approaching to knee of hind femora, apex truncated; vertex narrower, 1.6–1.8 times as wide as one eye in female (Yunnan).......................................................... M. truncata Mao, Li & Han , sp. n.

13 Upper margin of pronotum, in lateral view, arcuate only before humeral angles while straight or undulated behind humeral angles............................................................................................. 14

- Upper margin of pronotum wholly straight in lateral view.................................................... 15

14 Antennal sockets situated between the level of ventral margins of eyes; hind process reaching middle of hind femur; lower margin of mid femur undulate (Yunnan).............................................. M. cliva Zheng et al., 2006

- Antennal sockets situated below the level of ventral margins of eyes; hind process reaching knee of hind femur; lower margin of mid femur straight (Hubei)............................................ M. wufengensis Zheng, Wei & Li, 2009

15 Vertex 2.14 times as wide as one eye; humeral angle broadly arcuate (Hunan)...... M. badagongshanensis ( Zheng, 2013b)

- Vertex 1.3–1.6 times as wide as one eye; humeral angle broadly obtuse.......................................... 16

16 Vertex 1.3 times as wide as one eye; hind process distally narrow, apex truncated; first segment of hind tarsus with three pulvilli equal in length (Fujian)............................................................... M. zhengi Deng, 2011

- Vertex 1.6 times as wide as one eye; hind process distally broad, apex narrowly rounded; first segment of hind tarsus with three pulvilli gradually increasing in length (Yunnan).......................................... M. longling Deng, 2016