Nazeris Fauvel 1873

Key to species of Nazeris in Yunnan, China 1. Head with non-umbilicate punctation (Assing 2013: 160, Fig. 164)....................... N. subdentatus Assing, 2013 - Head with umbilicate punctation (Fig. 2A)................................................................. 2 2. Male sternite VII with posterior margin emarginated to different extend at middle (Fig. 4B).......................... 3 - Male sternite VII with posterior margin truncate or slightly prominent at middle (Figs 2B, 5B)...................... 38 3. Male sternite VII with modified dense and dark setae near the posterior emargination (Fig. 4B; Hu et al. 2011: 17, Fig. 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 - 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 - 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 7. Male sternite VIII with deep and narrow V-shaped posterior excision (Fig. 4C; Hu et al. 2011: 17, Fig. 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).............. 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)............... N. nabanhensis Hu et al., 2011 - Ventral process of aedeagus with narrow apex, not tri-lobed (Fig. 4D).......................................... 10 10. Dorso-lateral apophyses of aedeagus with a few weakly-developed sawteeth at lateral margins near base in ventral view (Fig. 4D)....................................................................... 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 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 - 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 12. Dorso-lateral apophyses of aedeagus extending beyond apex of ventral process (Hu et al. 2011: 17, Fig. 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 - 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 - Dorso-lateral apophyses of aedeagus widened near base in ventral view (Watanabe & Xiao 2000: 315, Fig. 6)................................................................................. N. baihuaensis Watanabe & Xiao, 2000 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 - 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 - Middle of posterior excision of male sternite VII lacking projection (Assing 2013: 151, Fig. 118).................................................................................................... N. peniculatus Assing, 2013 17. Male sternite VIII with a short projection at middle (Hu et al. 2011: 18, Fig. 9)................... N. caoi Hu et al., 2011 - 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 - 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 - 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 - 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 - 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 - 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 26. Apex of dorso-lateral apophyses of aedeagus distinctly widened (Watanabe & Xiao, 2000: 317, Fig. 9)......................................................................................... N. nomurai Watanabe & Xiao, 2000 - 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 - 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 - Apical half of dorso-lateral apophyses not widened in ventral view (Assing 2013: 142, Fig. 71).. N. nivimontis Assing, 2013 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)....................................