Bolivaritettix Günther, 1939

Deng, Wei-An, Wei, Shi-Zhen, Xin, Lei & Chen, Ya-Zhen, 2018, Taxonomic revision of the genus Bolivaritettix Günther, 1939 (Orthoptera: Tetrigoidea: Metrodorinae) from China, with the descriptions of two new species, Zootaxa 4434 (2), pp. 303-326 : 304-307

Key to the Chinese species of Bolivaritettix Günther

1. Pronotum shorter, hind process not reaching or slightly surpassing apex of hind femora.............................. 2

- Pronotum longer, distinctly surpassing apex of hind femora................................................... 18

2. Vertex and frontal ridge forming obtuse angle or right angle in profile............................................ 3

- Vertex and frontal ridge rounded together in profile........................................................... 9

3. Width of vertex as wide as width of one eye; upper margin of pronotum undulated in profile.......... B. luchunensis Liang

- Width of vertex wider than width of one eye................................................................ 4

4. Upper margin of pronotum straight in profile, without a pair of abbreviated carinae beween shoulders.................................................................................................... B. ghumtianus (Hancock)

- Upper margin of pronotum undulated or slightly convex before shoulders in profile, with a pair of abbreviated carinae beween shoulders............................................................................................ 5

5. Upper margin of pronotum undulated behind shoulders in profile................................................ 6

- Upper margin of pronotum straight behind shoulders in profile.................................................. 7

6. Width of vertex 1.1 times width of one eye; disc of pronotum coarse, has big protuberances.......... B. jianfengensis Liang

- Width of vertex 1.5 times width of one eye; disc of pronotum smooth, has numerous fine particles. B. fanjingshanensis Zheng

7. Tegmina very small; hind wings reaching middle of hind femur........................ B. yuangjiangensis Zheng & Ou

- Tegmina normal; hind wings reaching apex of posterior process of pronotum...................................... 8

8. Disc of pronotum smooth; lower margins of middle femora undulated........................... B. brachynotus Zheng

- Disc of pronotum coarse, has short carinae and protuberances; lower margins of middle femora straight. B. nigritibialis Zheng

9. Width of vertex equal to or narrower than width of one eye.................................................... 10

- Width of vertex distinctly wider than width of one eye....................................................... 14

10. Hind process of pronotum slightly surpassing top of hind femora............................................... 11

- Hind process of pronotum not surpassing top of hind femora.................................................. 13

11. Upper margin of pronotum straight; without abbreviated carinae between shoulders.......... B. fenkaiensis Zheng & Yang

- Upper margin of pronotum undulated; with a pair of abbreviated carinae between shoulders.......................... 12

12. Lower margins of middle femora undulated; hind wings surpassing apex of posterior process of pronotum..................................................................................... B. liuwanshanensis Deng, Zheng & Wei

- Lower margins of middle femora straight; hind wings not reaching apex of posterior process of pronotum.................................................................................... B. darongshanensis Deng, Zheng & Wei

13. Midkeel of pronotum complete; hind wings reaching knee of hind femur........................ B. circocephalus Zheng

- Midkeel of pronotum interrupted; hind wing reaching middle of hind femur............... B. unduladorsalis Zheng & Shi

14. Width of vertex 2.1–2.4 times width of one eye; disc of pronotum with numerous tubercles.... B. zangnanensis Zheng & Shi

- Width of vertex 1.5–1.6 times width of one eye............................................................. 15

15. Hind process of pronotum slightly surpassing apex of hind femora.............................................. 16

- Hind process of pronotum not reaching or reaching apex of hind femora; hind wings not reaching or reaching apex of posterior process of pronotum.................................................................................. 17

16. Lateral keels of prozona parallel; lower margins of mid femora straightly; hind wings surpassing apex of posterior process of pronotum.......................................................................... B. xiangnanensis Deng

- Lateral keels of prozona constricted backwards; lower margins of mid femora undulated; hind wings almost reaching apex of posterior process of pronotum................................................. B. shiwanshanensis Deng & Zheng

17. Width of midfemur wider than width of visible part of tegmina; hind wings reaching middle of hind femora.............................................................................................. B. microptera Zheng & Ou

- Width of midfemur equal to width of visible part of tegmina; hind wings reaching apex of hind femora................................................................................................. B. pianmaensis Zheng & Ou

18. Width of vertex distinctly narrower than width of one eye..................................................... 19

- Width of vertex wider than or equal to width of one eye...................................................... 27

19. Midkeel of pronotum interrupted........................................................................ 20

- Midkeel of pronotum entire............................................................................. 22

20. Upper margin of pronotum straight, disc of pronotum smooth............................... B. platynotus Zheng & Xu

- Upper margin of pronotum undulated or slightly convex before shoulders; disc of pronotum coarse, with numerous tubercles or short carinae........................................................................................ 20

21. Disc of pronotum with numerous tubercles; lower margins of middle femora undulated....... B. fugongensis Zheng & Mao

- Disc of pronotum with numerous short carinae; lower margins of middle femora straight. B. ochronotata Deng, Zheng & Wei

22. Hind wings surpassing apex of posterior process of pronotum; disc of pronotum a little swollen between shoulders................................................................................. B. tenuifemura Deng, Zheng & Wei

- Hind wings reaching apex of posterior process of pronotum................................................... 23

23. Upper margin of pronotum straight; width of midfemur narrower than width of visible part of tegmina; lower margins of middle femora undulated..................................................................... B. liboensis Zheng

- Upper margin of pronotum undulated or slightly convex before shoulders........................................ 24

24. Upper margin of pronotum slightly convex before shoulders................................................... 25

- Upper margin of pronotum undulated.................................................................... 26

25. Lateral keels of prozona constricted backwards; lower margins of middle femora straight............. B. strictivertex Deng

- Lateral keels of prozona parallel; lower margins of middle femora undulated.............. B. longzhouensis Zheng & Jiang

26. Lateral keels of prozona parallel; lower margins of middle femora straight............... B. rongshuiensis Zheng & Jiang

- Lateral keels of prozona constricted backwards; lower margins of middle femora undulated.................................................................................................... B. nigrifemurus Deng, Zheng & Wei

27. In dorsal view, anterior margin of vertex arched............................................................. 28

- In dorsal view, anterior margin of vertex straight............................................................ 32

28. Upper margin of pronotum straight; width of vertex equal to width of one eye..................... B. javanicus (Bolivar)

- Upper margin of pronotum undulated or convex before shoulders in profile....................................... 29

29. Lateral keels of prozona parallel......................................................................... 30

- Lateral keels of prozona constricted backwards............................................................. 31

30. Width of vertex distinctly wider than width of one eye; hind wings surpassing apex of posterior process of pronotum........................................................................................... B. sculptus (Bolivar)

- Width of vertex equal to width of one eye; hind wings reaching apex of posterior process of pronotum............................................................................................. B. huanjiangensis Zheng & Jiang

31. Disc of pronotum with numerous tubercles; upper margin of pronotum undulated; hind wings surpassing apex of posterior process of pronotum.................................................................. B. torulosinota Zheng

- Disc of pronotum smooth; upper margin of pronotum convex before shoulders in profile; hind wings reaching apex of posterior process of pronotum............................................................ B. dolichotarsus Zheng & Shi

32. Upper margin of pronotum straight....................................................................... 33

- Upper margin of pronotum convex before shoulders in profile................................................. 51

33. Midkeel of pronotum interrupted........................................................................ 34

- Midkeel of pronotum entire............................................................................. 37

34. Without abbreviated carinae beween shoulders; lower margins of middle femora with two teeth................................................................................................ B. serrifemoralis Deng, Zheng & Wei

- With a pair of abbreviated carinae beween shoulders; lower margins of middle femora straight or undulated............. 35 35. Upper margin of pronotum straight in profile; lower margins of middle femora straight........ B. interrupta Zheng & Jiang

- Upper margin of pronotum undulated in profile; lower margins of middle femora undulated.......................... 36

36. Width of vertex equal to width of one eye; antennae inserted between lower third of eyes................................................................................................... B. daweishanensis Deng, Zheng & Wei

- Width of vertex 1.2 times width of one eye; antennae inserted between lower margin of eyes...... B. jiuwanshanensis Zheng

37. Width of vertex 1.45–1.6 times width of one eye............................................................ 38

- Width of vertex equal to or slightly wider than width of one eye................................................ 40

38. Hind femora with three teeth behind the middle of midkeel of upper side.............. B. gaoligongshanensis Zheng & Ou

- Midkeel of upper side of hind femora dentate.............................................................. 39

39. Disc of pronotum smooth; caudal end of pronotum reaching middle of hind tibia.................. B. lativertex (Br. -W.)

- Disc of pronotum with numerous short carinae; caudal end of pronotum reaching apex of hind tibia.............................................................................................. B. latipulvilus Zheng, Jiang & Liu

40. Lateral keels of prozona constricted backwards............................................................. 41

- Lateral keels of prozona parallel......................................................................... 46

41. Disc of pronotum with yellow longitudinal stripe in middle; lower margins of middle femora undulated..................................................................................................... B. luteolineatus Zheng

- The same color on the disc of pronotum; lower margins of middle femora straight................................. 42

42. Upper margin of pronotum undulated in profile............................................................. 43

- Upper margin of pronotum straight or convex before shoulders in profile......................................... 44

43. Hind wings surpassing apex of posterior process of pronotum; lower margins of middle femora undulated................................................................................................... B. tuberdorsalis Liang

- Hind wings reaching apex of posterior process of pronotum; lower margins of middle femora straight................................................................................................ B. tengchongensis Zheng & Ou

44. Disc of pronotum with netted keels; hind wings nearly reaching apex of posterior process of pronotum....................................................................................... B. jinchengjiangensis Zheng, Shi & Mao

- Disc of pronotum smooth; hind wings surpassing apex of posterior process of pronotum............................ 45

45. Vertex and frontal ridge rounded together in profile; upper margin of pronotum straight in profile..... B. menglaensis Zheng

- Vertex and frontal ridge forming right angle in profile; upper margin of pronotum convex before shoulders in profile.................................................................................. B. hechiensis Deng, Zheng & Wei

46. Without abbreviated carinae beween shoulders............................................................. 47

- With a pair of abbreviated carinae beween shoulders......................................................... 48

47. Body large- sized, length of pronotum ♂ 16.0 mm, ♀ 17.0 mm; antenna inserted between lower margins of eyes; upper margin of pronotum straight in profile; caudal end of pronotum reaching two-thirds of hind tibia; hind tibia dark brown.......................................................................................... B. hutiaoxiana Zheng & Ou

- Body small- sized, length of pronotum ♂ 10.0 mm– 10.5 mm, ♀ 11.5 mm –12.0 mm; antenna inserted below lower margins of eyes; upper margin of pronotum slightly undulate before shoulders and straight behind shoulders in profile; caudal end of pronotum reaching apex of hind tibia; hind tibia dark brown, with light brown at base and middle....................................................................................................... B. baoxingensis Deng sp. nov

48. Upper margin of pronotum undulated in profile; hind wings surpassing apex of posterior process of pronotum..................................................................................... B. nigropennis Deng, Zheng & Wei

- Upper margin of pronotum undulated before shoulders and straight behind shoulders in profile; hind wings reaching apex of posterior process of pronotum........................................................................... 49

49. Lower margins of middle femora undulated; width of midfemur wider than width of visible part of tegmina................................................................................................... B. medogensis Zheng

- Lower margins of middle femora straight; width of midfemur narrower than or equal to width of visible part of tegmina... 50

50. Vertex together with frontal costa rounded; humeral angle obtuse, caudal end of pronotum reaching middle of hind tibia; width of mid femur equal to width of tegmina; hind tibia black, with light brown at base and middle........... B. yuexiensis Deng

- Vertex and frontal costa forming a obtuse angle in profile, humeral angle arched, caudal end of pronotum reaching apex of hind tibia, width of mid femur very narrower than width of tegmina, hind tibia dark brown........ B. strictifemura Deng sp. nov.

51. Lateral keels of prozona constricted backwards............................................................. 52

- Lateral keels of prozona parallel......................................................................... 68

52. Pronotum shorter, hind process slightly surpassing apex of hind femora.......................................... 53

- Pronotum longer, hind process reaching middle to apex of hind tibia............................................ 57

53. Width of vertex 1.7–2.0 times width of one eye............................................................. 54

- Width of vertex 1.2–1.4 times width of one eye............................................................. 56

54. Width of vertex 1.7 times width of one eye; disc of pronotum flat, with fine netted keels behind shoulders............................................................................................. B. avellanitibis Zheng & Mao

- Width of vertex 2.0 times width of one eye................................................................ 55

55. Pronotum with humeral angle obtuse angular, lateral margins of pronotum straight; hind wing not reaching top of hind process............................................................................ B. chongqingensis Zheng & Shi

- Pronotum with humeral angle rounded, lateral margins of pronotum distinctly constricted behind; hind wing reaching top of hind process...................................................................... B. tridentate Zheng & Ou

56. Frontal costa straight before eyes; disc of pronotum flat; lower margins of middle femora straight; without tubercule on outside of hind femur in the middle.................................................... B. wuliangshanensis Zheng & Ou

- Frontal costa concave between lateral ocelli; disc of pronotum with a pair of shallow concavities after the shoulder; lower margins of middle femora undulated; hind femur with two tubercules on outside in the middle.......... B. torulosifemura Deng

57. Upper margin of pronotum slightly convex before shoulders in profile........................................... 58

- Upper margin of pronotum with two to three humps before shoulders........................................... 66

58. Width of vertex as wide as width of one eye................................................................ 59

- Width of vertex more than 1.5 times width of one eye........................................................ 60

59. Upper margin of pronotum flat behind shoulders in profile, disc of pronotum with sparse tubercles and slightly raised between shoulders............................................................... B. luochengensis Deng, Zheng & Wei

- Upper margin of pronotum undulated behind shoulders in profile; disc of pronotum smooth and flat between shoulders.......................................................................................... B. curvicarina Zheng

60. Disc of pronotum without abbreviated carinae between shoulders; hind wings surpassing apex of posterior process of pronotum; hind tibia black................................................................ B. hupinshanensis Zheng

- Disc of pronotum with a pair of abbreviated carinae between shoulders.......................................... 61

61. Humeral angle of pronotum rounded, lateral margins of pronotum distinctly constricted behind; lower margins of middle femora undulated...................................................................... B. circinihumerus Zheng

- Humeral angle of pronotum obtuse angular or arced, lateral margins of pronotum straight and not constricted behind...... 62

62. Lower margins of middle femora straight.................................................................. 63

- Lower margins of middle femora undulated................................................................ 64

63. Antennae inserted between lower margin of eyes; length of third segment of posterior tarsi equal to the first..................................................................................... B. acumindentatus Zheng, Shi & Mao

- Antennae inserted below lower margin of eyes; length of third segment of posterior tarsi longer than the first.................................................................................................. B. longitarsus Liang

64. Width of vertex 1.5 times width of one eye; disc of pronotum slightly concave between shoulders...... B. humeralis Günther

- Width of vertex more than 2.0 times width of one eye; disc of pronotum flat between shoulders....................... 65

65. Disc of pronotum with yellow longitudinal stripe in the midkeel; hind tibia black........... B. galbustrial Zheng, Wei & Li

- Disc of pronotum dark brown or brown; hind tibia dark brown........................... B. yunnanensis Zheng & Mao

66. Upper margin of pronotum with three humps before shoulders, last hump erect; hind process of pronotum reaching the middle of hind tibia.................................................................. B. tubericarina Zheng & Jiang

- Upper margin of pronotum with two humps before shoulders; hind process of pronotum reaching the base of hind tibia.... 67

67. Antennae inserted below lower margin of eyes; width of mid femur equal to width of tegmina; lower margins of middle femora straight........................................................................ B. bidentatus Zheng & Yang

- Antennae inserted between lower margin of eyes; width of mid femur wider than width of tegmina; lower margins of middle femora undulated.................................................................. B. dentanota Zheng & Shi

68. Midkeel of pronotum distinctly elevate before shoulders, with a concave in the protuberance........ B. sikkinensis (Bolivar)

- Midkeel of pronotum slightly elevate before shoulders, without concave in the protuberance......................... 69

69. Antennae inserted below lower margin of eyes; disc of pronotum smooth, with fine granules................................................................................................ B. sanbaishanensis Deng, Zheng & Wei

- Antennae inserted between lower margin of eyes; disc of pronotum with netted keels............................... 70

70. Hind process of pronotum reaching two-thirds of hind tibia; width of mid femur narrower than width of tegmina........................................................................................ B. guibeiensis Zheng & Jiang

- Hind process of pronotum reaching one third of hind tibia; width of mid femur equal to width of tegmina......................................................................................... B. yuanbaoshanensis Zheng & Jiang