Nazeris, Fauvel, 1873

Key to species of Nazeris View in CoL in Yunnan, China

1. Head with non-umbilicate punctation ( Assing 2013: 160, Fig. 164)....................... N. subdentatus Assing, 2013 View in CoL

- Head with umbilicate punctation ( Fig. 2A View FIGURE 2 )................................................................. 2

2. Male sternite VII with posterior margin emarginated to different extend at middle ( Fig. 4B View FIGURE 4 ).......................... 3

- Male sternite VII with posterior margin truncate or slightly prominent at middle ( Figs 2B View FIGURE 2 , 5B View FIGURE 5 )...................... 38

3. Male sternite VII with modified dense and dark setae near the posterior emargination ( Fig. 4B View FIGURE 4 ; Hu et al. 2011: 17, Fig. 3 View FIGURE 3 ).. 4

- Male sternite VII without such setae near the posterior emargination ( Hu et al. 2011: 18, Fig. 8)..................... 17

4. Abdomen with fine microsculpture on tergites VII and VIII.................................................... 5

- Abdomen lacking microsculpture........................................................................ 7

5. Ventral process of aedeagus not widened at apical third in ventral view, with lateral margins nearly parallel (Assing 2014: 359, Fig. 13)............................................................................ N. virilis Assing, 2014 View in CoL

- Ventral process of aedeagus distinctly widened at apical third in ventral view, with lateral margins curved (Assing 2014: 359, Fig. 6)............................................................................................. 6

6. Ventral process of aedeagus basally with a short and acute projection on either side in ventral view (Assing 2014: 359, Fig. 7), dorso-lateral apophyses widened near apex (Assing 2014: 359, Fig. 6).................... N. brevilobatus Assing, 2014 View in CoL

- Ventral process of aedeagus basally with an obtusely angled projection on either side in ventral view (Assing 2014: 364, Fig. 31), dorso-lateral apophyses widened in apical half (Assing 2014: 364, Fig. 31)................ N. discissus Assing, 2014 View in CoL

7. Male sternite VIII with deep and narrow V-shaped posterior excision ( Fig. 4C View FIGURE 4 ; Hu et al. 2011: 17, Fig. 4 View FIGURE 4 )............... 8

- Male sternite VIII with triangular or U-shaped posterior excision ( Assing 2013: 153, Fig. 127)...................... 12

8. Dorso-lateral apophyses of aedeagus extending beyond apex of ventral process ( Hu et al. 2011: 17, Fig. 5 View FIGURE 5 ).............. 9

- Dorso-lateral apophyses of aedeagus extending much shorter than ventral process (Assing 2014: 362, Fig. 19).......... 11

9. Ventral process of aedeagus with tri-lobed apex ( Hu et al. 2011: 17, Fig. 5 View FIGURE 5 )............... N. nabanhensis Hu et al., 2011 View in CoL

- Ventral process of aedeagus with narrow apex, not tri-lobed ( Fig. 4D View FIGURE 4 ).......................................... 10

10. Dorso-lateral apophyses of aedeagus with a few weakly-developed sawteeth at lateral margins near base in ventral view ( Fig. 4D View FIGURE 4 )....................................................................... N. guohaoi Yang & Hu , sp. nov.

- Dorso-lateral apophyses of aedeagus with smooth lateral margins in ventral view (Assing 2014: 366, Fig. 45).......................................................................................... N. semifissus Assing, 2014 View in CoL

11. Ventral process of aedeagus subapically constricted in ventral view (Assing 2014: 362, Fig. 19); dorso-lateral apophyses widened in apical third in ventral view (Assing 2014: 362, Fig. 19)........................ N. constrictus Assing, 2014 View in CoL

- Ventral process of aedeagus not constricted in ventral view (Assing 2014: 362, Fig. 25); dorso-lateral apophyses widened in apical half in ventral view (Assing 2014: 362, Fig. 25).................................... N. claviger Assing, 2014 View in CoL

12. Dorso-lateral apophyses of aedeagus extending beyond apex of ventral process ( Hu et al. 2011: 17, Fig. 5 View FIGURE 5 )............. 13

- Dorso-lateral apophyses of aedeagus extending shorter than ventral process (Assing 2014: 362, Fig. 19)............... 15

13. Apical half of ventral process of aedeagus wide, with round lateral margins in ventral view ( Assing 2013: 153, Fig. 122)................................................................................. N. lanuginosus Assing, 2013 View in CoL

- Apical half of ventral process of aedeagus very narrow, conical shape in ventral view ( Assing 2013: 151, Fig. 116)...... 14

14. Dorso-lateral apophyses of aedeagus widened near apex in ventral view ( Assing 2013: 151, Fig. 116)................................................................................................... N. pungens Assing, 2013 View in CoL

- Dorso-lateral apophyses of aedeagus widened near base in ventral view ( Watanabe & Xiao 2000: 315, Fig. 6)................................................................................. N. baihuaensis Watanabe & Xiao, 2000 View in CoL

15. Ventral process of aedeagus wide, with wide trapezoidal excision at apex in ventral view ( Watanabe & Xiao 2000: 320, Fig. 19).................................................................... N. ishiianus Watanabe & Xiao, 2000 View in CoL

- Ventral process of aedeagus very narrow, with acute apex in ventral view ( Watanabe & Xiao 2000: 315, Fig. 6)......... 16

16. Middle of posterior excision of male sternite VII with a triangular projection ( Assing 2013: 155, Fig. 133).............................................................................................. N. barbatus Assing, 2013 View in CoL

- Middle of posterior excision of male sternite VII lacking projection ( Assing 2013: 151, Fig. 118).................................................................................................... N. peniculatus Assing, 2013 View in CoL

17. Male sternite VIII with a short projection at middle ( Hu et al. 2011: 18, Fig. 9)................... N. caoi Hu et al., 2011 View in CoL

- Male sternite VIII lacking projection at middle ( Assing 2013: 140, Fig. 57)...................................... 18

18. Male sternite VIII with shallow triangular posterior excision ( Assing 2013: 140, Fig. 57)...... N. wuliangicus Assing, 2013 View in CoL

- Male sternite VIII with V-shaped or U-shaped posterior excision ( Assing 2013: 143, Fig. 77; Assing 2013: 149, Fig. 101). 19

19. Dorso-lateral apophyses of aedeagus extending beyond apex of ventral process ( Assing 2013: 149, Fig. 103)............ 20

- Dorso-lateral apophyses of aedeagus extending shorter than ventral process (Assing 2014: 366, Fig. 38)............... 36

20. Ventral process of aedeagus with excision at apex in ventral view ( Assing 2013: 149, Fig. 103).... N. aculeatus Assing, 2013 View in CoL

- Ventral process of aedeagus lacking excision at apex in ventral view ( Assing 2013: 149, Fig. 97)..................... 21

21. Ventral process of aedeagus with a triangular projection at middle in each lateral margin ( Assing 2013: 149, Fig. 97)...................................................................................... N. cangicus Assing, 2013 View in CoL

- Ventral process of aedeagus lacking projection in lateral margin ( Assing 2013: 164, Fig. 188)....................... 22

22. Ventral process of aedeagus with round apex in ventral view ( Assing 2013: 164, Fig. 188).......................... 23

- Ventral process of aedeagus with sharp apex in ventral view ( Assing 2013: 160, Fig. 161).......................... 31

23. Ventral process of aedeagus short and very wide in ventral view, nearly semicircular ( Assing 2013: 167, Fig. 200)...................................................................................... N. bangmaicus Assing, 2013 View in CoL

- Ventral process of aedeagus not very wide in ventral view ( Assing 2013: 140, Fig. 63)............................. 24

24. Inner side of dorso-lateral apophyses of aedeagus with triangular or round projection at middle in ventral view ( Assing 2013: 140, Fig. 63)....................................................................................... 25

- Inner side of dorso-lateral apophyses of aedeagus lacking projection at middle in ventral view ( Assing 2013: 140, Fig. 66)... .................................................................................................. 26

25. Male sternite VIII with V-shaped posterior excision ( Assing 2013: 142, Fig. 73); dorso-lateral apophyses of aedeagus with triangular projection at middle in ventral view ( Assing 2013: 140, Fig. 63)........... N. daliensis Watanabe & Xiao, 1997 View in CoL

- Male sternite VIII with U-shaped posterior excision ( Assing 2013: 164, Fig. 186); dorso-lateral apophyses of aedeagus with round projection at middle in ventral view ( Assing 2013: 164, Fig. 188).................. N. circumclusus Assing, 2013 View in CoL

26. Apex of dorso-lateral apophyses of aedeagus distinctly widened ( Watanabe & Xiao, 2000: 317, Fig. 9)......................................................................................... N. nomurai Watanabe & Xiao, 2000 View in CoL

- Apex of dorso-lateral apophyses of aedeagus not widened ( Assing 2013: 151, Fig. 110)............................ 27

27. Ventral process of aedeagus with pair of wing-like basal laminae ventrally ( Assing 2013: 151, Fig. 110)............... 28

- Ventral process of aedeagus lacking basal laminae ventrally ( Assing 2013: 143, Fig. 79)........................... 30

28. Basal laminae of ventral process of aedeagus long and wide, nearly triangular ( Assing 2013: 151, Fig. 110)............................................................................................ N. zhemoicus Assing, 2013 View in CoL

- Basal laminae of ventral process of aedeagus short and narrow ( Assing 2013: 142, Fig. 71)......................... 29

29. Apical half of dorso-lateral apophyses slightly widened in ventral view ( Assing 2013: 140, Fig. 66)....................................................................................... N. jizushanensis Watanabe & Xiao, 1997 View in CoL

- Apical half of dorso-lateral apophyses not widened in ventral view ( Assing 2013: 142, Fig. 71).. N. nivimontis Assing, 2013 View in CoL

30. Ventral process of aedeagus with round lateral margins in apical half in ventral view ( Assing 2013: 143, Fig. 86); dorso-lateral apophyses of aedeagus extending slightly beyond apex of ventral process ( Assing 2013: 143, Fig. 86).................................................................................................... N. secatus Assing, 2013 View in CoL

- Ventral process of aedeagus with straight lateral margins in apical half in ventral view ( Assing 2013: 143, Fig. 79); dorso-lateral apophyses of aedeagus extending nearly twice beyond apex of ventral process ( Assing 2013: 143, Fig. 79).............................................................................................. N. sagittifer Assing, 2013 View in CoL

31. Apex of ventral process of aedeagus curved ventrad in lateral view ( Watanabe & Xiao 2000: 319, Fig. 16).................................................................................. N. huanxipoensis Watanabe & Xiao, 2000 View in CoL

- Apex of ventral process of aedeagus not curved in lateral view ( Assing 2013: 158, Fig. 147)........................ 32

32. Dorso-lateral apophyses of aedeagus strongly curved inward near apex in ventral view ( Assing 2013: 160, Fig. 161)...................................................................................... N. infractus Assing, 2013 View in CoL

- Dorso-lateral apophyses of aedeagus not curved near apex in ventral view ( Assing 2013: 155, Fig. 142)............... 33

33. Ventral process of aedeagus with lateral margins curved in apical half in ventral view ( Assing 2013: 155, Fig. 142); dorso-lateral apophyses stout in ventral view ( Assing 2013: 155, Fig. 142)........................................... 34

- Ventral process of aedeagus with lateral margins nearly straight in apical half in ventral view ( Assing 2013: 158, Fig. 148); dorso-lateral apophyses thin in ventral view ( Assing 2013: 158, Fig. 148)....................................... 35

34. Dorso-lateral apophyses of aedeagus strongly curved in lateral view ( Assing 2013: 155, Fig. 141)................................................................................................... N. firmilobatus Assing, 2013 View in CoL

- Dorso-lateral apophyses of aedeagus nearly straight in lateral view (Assing 2014: 23, Fig. 44)... N. yulongicus Assing, 2014 View in CoL

35. Dorso-lateral apophyses of aedeagus strongly curved in lateral view ( Assing 2013: 158, Fig. 154)... N. curvus Assing, 2013 View in CoL

- Dorso-lateral apophyses of aedeagus nearly straight in lateral view ( Assing 2013: 158, Fig. 147).. N. spiculatus Assing, 2013 View in CoL

36. Dorso-lateral apophyses very short, extending only to the middle of ventral process (Assing 2014: 366, Fig. 38)......................................................................................... N. lamellatus Assing, 2014 View in CoL

- Dorso-lateral apophyses extending at least to the apical third of ventral process ( Watanabe & Xiao 1997: 5, Fig. 6)...... 37

37. Ventral process of aedeagus very wide in ventral view, lateral margins nearly parallel ( Watanabe & Xiao 1997: 7, Fig. 9)........................................................................... N. alpinus Watanabe & Xiao, 1997 View in CoL

- Apical half of ventral process of aedeagus very narrow in ventral view, less than half width of the basal part ( Watanabe & Xiao 1997: 5, Fig. 6)......................................................... N. giganteus Watanabe & Xiao, 1997 View in CoL

38. Abdominal tergites with shallow microsculpture........................................................... 39

- Abdominal tergites lacking microsculpture................................................................ 40

39. Abdomen with microsculpture on all tergites..................................... N. zhaotongus Yang & Hu , sp. nov.

- Abdomen with microsculpture on tergite VIII and posterior portion of tergite VII............ N. clavilobatus Assing, 2014 View in CoL

40. Dorso-lateral apophyses of aedeagus extending much shorter than ventral process ( Fig. 2D View FIGURE 2 )................................................................................................. N. wumengensis Yang & Hu , sp. nov.

- Dorso-lateral apophyses of aedeagus extending beyond or at the same level as apex of ventral process ( Assing 2013: 162, Fig. 181; Assing 2013: 167, Fig. 206)....................................................................... 41

41. Apical half of ventral process divided into two curved lamellae in ventral view ( Assing 2013: 167, Fig. 206)............................................................................................... N. fissus Assing, 2013 View in CoL

- Apical half of ventral process not divided in ventral view ( Assing 2013: 162, Fig. 181)............................ 42

42. Dorso-lateral apophyses of aedeagus with small and dense sawteeth at basal half of lateral margin in ventral view ( Fig. 5D View FIGURE 5 ).................................................................... N. serratimarginatus Yang & Hu , sp. nov.

- Dorso-lateral apophyses of aedeagus with smooth lateral margins in ventral view ( Assing 2013: 162, Fig. 181)......... 43

43. Dorso-lateral apophyses of aedeagus dilated or with projection in the middle in ventral view ( Assing 2013: 162, Fig. 181)... .................................................................................................. 44

- Dorso-lateral apophyses of aedeagus slightly constricted in the middle in ventral view (Assing 2014: 389, Fig. 56)....... 47

44. Inner side of dorso-lateral apophyses of aedeagus with flattened and trapezoidal projection at middle in ventral view ( Assing 2013: 162, Fig. 181).............................................................. N. vexillatus Assing, 2013 View in CoL

- Inner side of dorso-lateral apophyses of aedeagus with triangular or round projection at middle in ventral view (Assing 2014: 369, Fig. 50)....................................................................................... 45

45. Inner side of dorso-lateral apophyses of aedeagus with round projection at middle in ventral view (Assing 2014: 369, Fig. 50)................................................................................ N. fibulatus Assing, 2014 View in CoL

- Inner side of dorso-lateral apophyses of aedeagus with triangular projection at middle in ventral view ( Assing 2013: 164, Fig. 194).............................................................................................. 46

46. Ventral process of aedeagus triangular shape, very short, extending only to half of dorso-lateral apophyses ( Assing 2013: 164, Fig. 194); dorso-lateral apophyses with large triangular projection at the middle in ventral view ( Assing 2013: 164, Fig. 194)................................................................................ N. hastatus Assing, 2013 View in CoL

- Ventral process of aedeagus narrow, extending to apical third of dorso-lateral apophyses ( Assing 2013: 162, Fig. 175); dorso-lateral apophyses with little triangular projection at middle in ventral view ( Assing 2013: 162, Fig. 175)................................................................................................. N. meilicus Assing, 2013 View in CoL

47. Dorso-lateral apophyses apically distinctly oblique with acute internal angle in ventral view ( Watanabe & Xiao 1993: 132, Fig. 3 View FIGURE 3 )...................................................................... N. zhangi Watanabe & Xiao, 1993 View in CoL

- Dorso-lateral apophyses apically stout and vertically truncate in ventral view (Assing 2014: 389, Fig. 56).............. 48

48 Dorso-lateral apophyses of aedeagus curved dorsad in apical half in lateral view (Assing 2014: 369, Fig. 55)............................................................................................. N. bulbosus Assing, 2014 View in CoL

- Dorso-lateral apophyses of aedeagus not curved dorsad in apical half in lateral view (Assing 2014: 371, Fig. 72)......................................................................................... .. N. conicus Assing, 2014 View in CoL