Nazeris

Hu, Jiayao, Li, Lizhen & Zhao, Meijun, 2011, Twelve new species of the Genus Nazeris Fauvel from Zhejiang Province, China (Coleoptera, Staphylinidae, Paederinae), Zootaxa 2797, pp. 1-20 : 18-19

Key to males of Nazeris of Zhejiang Province, China

1 Apices of dorso-lateral apophyses extending beyond apex of median lobe......................................... 2

- Apices of dorso-lateral apophyses not reaching apex of median lobe............................................. 5

2 Posterior margin of 7th sternite distinctly prominent medially ( Fig. 13 ); apex of median lobe in dorsal view tri-lobed ( Fig. 15 )................................................................................ N. parabrunneus sp. nov.

- Posterior margin of 7th sternite simple; apex of median lobe of male aedeagus in dorsal view not tri-lobed.............. 3

3 Emargination of 8th sternite wide and shallow; apex of median lobe in dorsal view bifurcate......................... 4

- Emargination of 8th sternite narrow and deep ( Fig. 29 ); apex of median lobe in dorsal view not bifurcate ( Fig. 30 ).......................................................................................... N. niutoushanus sp. nov.

4 Abdomen with fine and faint microsculpture only on apical 1/3 of the 7th tergite; dorso-lateral apophyses at midpoint with con- iform projection ( Fig. 20 )................................................................ N. furcatus sp. nov.

- Abdomen with fine and faint microsculpture on all the segments; dorso-lateral apophyses at midpoint without projection ( Fig. 25 )................................................................................ N. yanyingae sp. nov.

5 Median lobe in dorsal view notched apically............................................................... 6

- Median lobe in dorsal view acute apically.................................................................. 8

6 Median lobe in dorsal view distinctly narrowed near apical 1/3................................................ 7

- Median lobe in dorsal view not narrowed near middle ( Fig. 50 ).............................. N. yandangensis sp. nov.

7 Dorso-lateral apophyses in lateral view narrowed apicad ( Fig. 36 )............................ N. shenshanjiai sp. nov.

- Dorso-lateral apophyses in lateral view widened apicad ( Fig. 41 ).............................. N. nigritulus sp. nov.

8 Median lobe in dorsal view strongly narrowed from middle to apical 1/4, the apical 1/4 of median lobe as narrow as a needle..................................................................................... N. minor Koch, 1939

- Median lobe in dorsal view not narrowed strongly from middle to apical 1/4...................................... 9

9 Median lobe in dorsal view at apical 1/3 with a triangular outward prominence on each side ( Fig. 45 ); dorso-lateral apophyses extending only to the middle of median lobe.............................................. N. tianmuensis sp. nov.

- Median lobe in dorsal view at apical 1/3 without prominence on each side; dorso-lateral apophyses extending at least to the apical 1/3 of median lobe.............................................................................. 10

10 Median lobe in dorsal view arrow-shaped: with outward triangular projection near apex.......... N. rougemonti Ito, 1996

- Median lobe in dorsal view without triangularly projection................................................... 11

11 Dorso-lateral apophyses in dorsal view without projection.................................. N. chinensis Koch, 1939

- Dorso-lateral apophyses in dorsal view with a small projection on each inner side................................. 12

12 Dorso-lateral apophyses in dorsal view at apical 1/3 with a small projection on each inner side ( Fig. 55 ), median lobe arcuately widened near apex in dorsal view..................................................... N. jiulongshanus sp. nov.

- Dorso-lateral apophyses in dorsal view at midpoint with a small projection on each inner side, median lobe not widened in api- cal part in dorsal view................................................................................ 13

13 Median lobe in dorsal view distinctly constricted near middle, strongly widened at apical 1/3, then gradually narrowed apicad ( Fig. 60 )......................................................................... N. zhujingwenae sp. nov.

- Median lobe in dorsal view not constricted near middle..................................................... 14

14 Apical half of median lobe in dorsal view with straight and parallel lateral sides ( Fig. 65 ); carina of prosternum extends to the anterior margin.................................................................. N. baishanzuensis sp. nov.

- Median lobe in dorsal view gradually narrowed apicad in apical part ( Fig. 70 ); carina of prosternum does not reach anterior margin............................................................................... N. lijinweni sp. nov.

Figures

FIGURES 13 – 17. Details of Nazeris parabrunneus sp. nov. 13 — male 7 th sternite; 14 — male 8 th sternite; 15 — aedeagus in dorsal view; 16 — aedeagus in lateral view; 17 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 28 – 32. Details of Nazeris niutoushanus sp. nov. 28 — male 7 th sternite; 29 — male 8 th sternite; 30 — aedeagus in dorsal view; 31 — aedeagus in lateral view; 32 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 18 – 22. Details of Nazeris furcatus sp. nov. 18 — male 7 th sternite; 19 — male 8 th sternite; 20 — aedeagus in dorsal view; 21 — aedeagus in lateral view; 22 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 23 – 27. Details of Nazeris yanyingae sp. nov. 23 — male 7 th sternite; 24 — male 8 th sternite; 25 — aedeagus in dorsal view; 26 — aedeagus in lateral view; 27 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 48 – 52. Details of Nazeris yandangensis sp. nov. 48 — male 7 th sternite; 49 — male 8 th sternite; 50 — aedeagus in dorsal view; 51 — aedeagus in lateral view; 52 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 33 – 37. Details of Nazeris shenshanjiai sp. nov. 33 — male 7 th sternite; 34 — male 8 th sternite; 35 — aedeagus in dorsal view; 36 — aedeagus in lateral view; 37 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 38 – 42. Details of Nazeris nigritulus sp. nov. 38 — male 7 th sternite; 39 — male 8 th sternite; 40 — aedeagus in dorsal view; 41 — aedeagus in lateral view; 42 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 43 – 47. Details of Nazeris tianmuensis sp. nov. 43 — male 7 th sternite; 44 — male 8 th sternite; 45 — aedeagus in dorsal view; 46 — aedeagus in lateral view; 47 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 53 – 57. Details of Nazeris jiulongshanus sp. nov. 53 — male 7 th sternite; 54 — male 8 th sternite; 55 — aedeagus in dorsal view; 56 — aedeagus in lateral view; 57 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 58 – 62. Details of Nazeris zhujingwenae sp. nov. 58 — male 7 th sternite; 59 — male 8 th sternite; 60 — aedeagus in dorsal view; 61 — aedeagus in lateral view; 62 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 63 – 67. Details of baishanzuensis sp. nov. 63 — male 7 th sternite; 64 — male 8 th sternite; 65 — aedeagus in dorsal view; 66 — aedeagus in lateral view; 67 — aedeagus in ventral view. Scale bar 0.5 mm.

FIGURES 68 – 72. Details of Nazeris lijinweni sp. nov. 68 — male 7 th sternite; 69 — male 8 th sternite; 70 — aedeagus in dorsal view; 71 — aedeagus in lateral view; 72 — aedeagus in ventral view. Scale bar 0.5 mm.