Key to Nazeris species of Luoxiao Mountain Range
1 Head with umbilicate punctation.......................................................................... 2
- Head with non-umbilicate punctation...................................................................... 8
2 Body reddish brown, less than 4.6 mm ..................................................................... 3
- Body dark brown, more than 5.0 mm...................................................................... 4
3 Apex of ventral process of the aedeagus with dorsal process in lateral view; dorso-lateral apophyses roundly widened at apex in ventral view (Hu & Li, 2015: 4, Fig. 1D, 1E)..................................... N. luoxiaoshanus Hu & Li, 2015
- Apex of ventral process of the aedeagus simply acute in lateral view; dorso-lateral apophyses triangularly widened at apex in ventral view (Hu & Li, 2015: 5, Fig. 2D, 2E).......................................... N. pengzhongi Hu & Li, 2015
4 Apex of ventral process of the aedeagus divided into two branches in ventral view.................................. 5
- Apex of ventral process of the aedeagus without branches in ventral view......................................... 6
5 Apical branches of ventral process of the aedeagus narrow and straight in ventral view (Hu & Li, 2015: 7, Fig. 3D).......................................................................................... N. divisus Hu & Li, 2015
- Apical branches of ventral process of the aedeagus wide and curved in ventral view (Hu & Li, 2015: 9, Fig. 4D) ......................................................................................... N. paradivisus Hu & Li, 2015
6 Ventral process of the aedeagus shallowly concave at apex in ventral view (Hu & Li, 2015: 10, Fig. 5D) ................................................................................................ ... N. xiaobini Hu & Li, 2015
- Ventral process of the aedeagus prominent at apex in ventral view............................................... 7
7 Ventral process of the aedeagus with parallel sides in apical third in ventral view (Hu & Li, 2015: 11, Fig. 6D).......................................................................................... N. congchaoi Hu & Li, 2015
- Ventral process of the aedeagus triangularly widened in apical third in ventral view (Hu & Li, 2015: 13, Fig. 7D).......................................................................................... N. nannani Hu & Li, 2015
8 Abdominal tergites with fine microsculpture................................................................ 9
- Abdominal tergites lacking microsculpture................................................................ 12
9 Body reddish brown, less than 4.7 mm .................................................................... 10
- Body dark brown, more than 5.5 mm ..................................................................... 11
10 Ventral process of the aedeagus with acute apex in lateral view; dorso-lateral apophyses distinctly thickened apically in ventral view (Hu & Li, 2015: 14, Fig. 8D, 8E)................................................... N. rufus Hu & Li, 2015
- Ventral process of the aedeagus with broad apex in lateral view (Fig. 21); dorso-lateral apophyses not thickened apically in ventral view (Fig. 20)........................................................... N. jiaweii Hu, Liu & Li, sp. n.
11 Ventral process of the aedeagus distinctly asymmetric, the left apical process much shorter than the right one in ventral view (Assing, 2014: 26, Fig. 58)......................................................... N. inaequalis Assing, 2014
- Ventral process of the aedeagus symmetric (Fig. 15)................................. N. yipingae Hu, Liu & Li, sp. n.
12 Male sternite VII with posterior margin shallowly concave in the middle......................................... 13
- Male sternite VII with posterior margin distinctly prominent in the middle....................................... 14
13 Male sternite VIII with U-shaped posterior excision; apex of ventral process of the aedeagus prominent in ventral view (Hu & Li, 2015: 15, Fig. 9C, 9D)............................................................. N. ziweii Hu & Li, 2015
- Male sternite VIII with broadly triangular posterior excision; apex of ventral process of the aedeagus with V-shaped excision in ventral view (Hu & Li, 2015: 16, Fig. 10C, 10D)..................................... N. daweishanus Hu & Li, 2015
14 Dorso-lateral apophyses of the aedeagus not reaching apex of ventral process (Hu & Li, 2015: 19, Fig. 12D).............................................................................................. .. N. zekani Hu & Li, 2015
- Dorso-lateral apophyses of the aedeagus extending beyond apex of ventral process................................. 15
15 Ventral process of the aedeagus long, constricted in the middle in ventral view (Assing, 2014: 26, Fig. 66)................................................................................................ N. proiectus Assing, 2014
- Ventral process of the aedeagus short, widened in the middle in ventral view (Hu & Li, 2015: 18, Fig. 11D)............................................................................................. N. prominens Hu & Li, 2015