Nazeris Fauvel 1873
Creators: name: Li, Xin-Meng
name: Wu, Wei-Ping
name: Hu, Jia-Yao
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Nazeris

description: Key to species of Nazeris in Guangxi, China
1 Head withnon-umbilicatepunctation (Ma et al., 2021: 585, Fig. 14)............................................. 2
- Head with umbilicate punctation (Fig. 2A)................................................................. 4
2 Body length about 7.8 mm; dorso-lateral apophyses of aedeagus with wide and round apex (Ma et al., 2021: 585, Figs 17, 18)..................................................................... Nazeris curvilaminatus Ma et al., 2021
- Body length less than 6.2 mm; dorso-lateralapophyses of aedeagus with narrow apex (Hu & Li 2017: 337, Fig. 18)....... 3
3 Pronotum with narrow impunctate elevation in posteriorly half (Hu & Li 2017: 337, Fig. 15); dorso-lateral apophyses of aedeagus not widened near middle in ventral view (Hu & Li 2017: 337, Fig. 18)................. N. alatus Hu & Li, 2017
- Pronotum with unconspicuous or lacking impunctate elevation in posteriorly half (Hu & Qiao 2019: 440, Fig. 35); dorso-lateral apophyses of aedeagus widened near middle in ventral view (Hu & Qiao 2019: 440, Fig. 38).......................... ............................................................................ N. yanzhuqii Hu & Qiao, 2019
4 Body reddish brown (Fig. 1A)........................................................................... 5
- Body dark brown (Fig. 1C)............................................................................ 18
5 Head and pronotum with fine microsculpture (Hu & Qiao 2019: 436, Figs 18, 19)............ N. rugosus Hu & Qiao, 2019
- Head and pronotum lacking microsculpture................................................................. 6
6 Abdomen with fine microsculpture on all tergites........................................... N. qini Hu & Li, 2012
- Abdomen lacking microsculpture......................................................................... 7
7 Dorso-lateralapophyses of aedeagus extending to the same level as the apex of ventral process....................... 8
- Dorso-lateral apophyses of aedeagus extending much shorter than ventral process or distinctly beyond apex of ventral process ................................................................................................... 9
8 Ventral process of aedeagus narrow, constricted to sharp apex in ventral view (Hu et al. 2012: 36, Fig. 4).............................................................................................. N. dayaoensis Hu & Li, 2012
- Ventral process of aedeagus conspicuously broad, with round apex in ventral view (Assing 2016: 307, Fig. 11).......................................................................................... N. latilobatus Assing, 2016
9 Dorso-lateral apophyses of aedeagus extending much shorter than ventral process (Figs 4E, F)......... N. qingshuius sp. n.
- Dorso-lateralapophyses of aedeagus extending distinctly beyond apex of ventral process........................... 10
10 Apical half of ventral process of aedeagus nearly triangular, with narrow apex in ventral view (Figs 3C, D)............. 11
- Apical half of ventral process of aedeagus broad, with wide apex in ventral view (Hu & Li 2017: 334, Fig. 4)........... 13
11 Male sternite VII with posterior margin nearly truncate at middle (Su et al. 2020: 246, Fig. 7B); dorso-lateral apophyses of aedeagus straight in lateral view (Su et al. 2020: 246, Fig. 7E)............................ N. fulongensis Su et al., 2020
- Male sternite VII with posterior margin shallowly emarginated at middle (Hu & Li 2017: 334, Fig. 2); dorso-lateral apophyses of aedeagus bent dorsad in lateral view (Hu & Li 2017: 334, Fig. 5)............................................ 12
12 Dorso-lateralapophyses of aedeagus strongly curved backward near apex, resembling a hook (Figs 3E, F)................ ................................................................................... N. jiuwanensis, sp. n.
- Dorso-lateralapophyses of aedeagus not curved backward near apex (Hu & Li 2017: 334, Fig. 5)... N. obtortus Assing, 2016
13 Ventral process of aedeagus provided with a pair of apically narrowed processes on dorsal side of the apex (Hu et al. 2012: 38, Fig. 12)............................................................................ N. luoi Hu & Li, 2012
- Ventral process of aedeagus lacking processes near apex..................................................... 14
14 Ventral process of aedeagus with smallsemi-circularexcision at apex in ventral view (Hu & Qiao 2019: 435, Fig. 15)............................................................................... N. maoershanus Hu & Qiao, 2019
- Ventral process of aedeagus lacking excision at apex in ventral view............................................ 15
15 Ventral process of aedeagus with round apex in ventral view (Hu et al. 2013: 87, Fig. 4)............................ 16
- Ventral process of aedeagus with truncate apex in ventral view (Hu & Li 2017: 336, Fig. 13)........................ 17
16 Dorso-lateralapophyses of aedeagus with round apex in lateral view (Hu et al. 2013: 87, Fig. 5)................................................................................................. N. damingshanus Hu & Li, 2013
- Dorso-lateralapophyses of aedeagus with narrow apex in lateral view (Ma et al. 2021: 582, Fig. 8)................................................................................................ N. shengtangus Ma et al., 2021
17 Dorso-lateralapophyses of aedeagus roundly widened at apex in ventral view (Hu & Li 2017: 336, Fig. 13)......................................................................................... N. huapingensis Hu & Li, 2017
- Dorso-lateralapophyses of aedeagus narrowed at apex in ventral view (Hu et al. 2012: 39, Fig. 16)... N. tani Hu & Li, 2012
18 Male sternite VII with small semi-circular emargination in middle of posterior margin (Ma et al. 2021: 583, Fig. 10)..... 19
- Male sternite VII lacking emargination or with very shallow emargination in middle of posterior margin............... 20
19 Dorso-lateral apophyses of aedeagus very strong, extending beyond apex of ventral process (Hu et al. 2012: 41, Fig. 28)................................................................................. N. megalobus Hu & Li, 2012
- Dorso-lateralapophyses of aedeagus very slender, not reaching apex of ventral process (Ma et al. 2021: 583, Fig. 12)........................................................................................ N. songi Ma et al., 2021
20 Dorso-lateralapophyses of aedeagus extending slightly beyond apex of ventral process............................. 21
- Dorso-lateralapophyses of aedeagus not reaching apex of ventral process....................................... 22
21 Male sternite VII with posterior margin shallowly emarginated at middle (Hu & Li 2019: 437, Fig. 26); dorso-lateral apophyses of aedeagus slightly widened near apex in ventral view (Hu & Qiao 2019: 437, Fig. 28)...... N. yuyimingi Hu & Qiao, 2019
- Male sternite VII with posterior margin truncate at middle (Hu & Li 2017: 340, Fig. 26); dorso-lateral apophyses of aedeagus not widened near apex in ventral view (Hu & Li 2017: 340, Fig. 28)....................... N. chenyanae Hu & Li, 2017
22 Dorso-lateralapophyses of aedeagus very strong, distinctly expanded in ventral view (Figs 5C, D).................... 23
- Dorso-lateralapophyses of aedeagus very slender, hardly expanded in ventral view................................ 24
23 Ventral process of aedeagus with V-shaped excision at apex in ventral view (Hu et al. 2012: 42, Fig. 34); dorso-lateral apophyses of aedeagus with wide and round apex in ventral view (Hu et al. 2012: 42, Fig. 34)............. N. grandis Hu & Li, 2012
- Ventral process of aedeagus lacking distinct excision at apex in ventral view (Figs 5C, D); dorso-lateral apophyses of aedeagus with narrow apex in ventral view (Figs 5C, D)............................................... N. yangmeius sp. n.
24 Ventral process of aedeagus extremely elongate, about twice as long as dorso-lateral apophyses (Hu et al. 2013: 88, Fig. 10).............................................................................. N. longilobus Hu & Li, 2013
- Ventral process of aedeagus not extremely elongate......................................................... 25
25 Apex of ventral process of aedeagus round (Assing 2016: 307, Fig. 4)...................... N. bihamatus Assing, 2016
- Apex of ventral process of aedeagus divided into two straight branches in ventral view (Hu & Li 2017: 338, Fig. 23)..... 26
26 Posterior margin of male sternite VII slightly prominent at middle (Hu & Li 2017: 338, Fig. 21); dorso-lateral apophyses of aedeagus slightly curved in lateral view (Hu & Li 2017: 338, Fig. 24).......................... N. exilis Hu & Li, 2017
- Posterior margin of male sternite VII truncate at middle (Hu & Qiao 2019: 438, Fig. 31); dorso-lateral apophyses of aedeagus straight in lateral view (Hu & Qiao 2019: 438, Fig. 34)............................. N. biacuminatus Hu & Qiao, 2019
description: Published as part of Li, Xin-Meng, Wu, Wei-Ping & Hu, Jia-Yao, 2023, Three new species of Nazeris Fauvel from the Jiuwan Mountain, Guangxi, China (Coleoptera, Staphylinidae, Paederinae), pp. 82-90 in Zootaxa 5360 (1) on pages 88-90, DOI: 10.11646/zootaxa.5360.1.4, http://zenodo.org/record/10151046