identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
03D887A6FF97FFCE89C98873FA93F807.text	03D887A6FF97FFCE89C98873FA93F807.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Nazeris wumengensis Yang & Hu 2025	<div><p>Nazeris wumengensis Yang &amp; Hu sp. nov.</p><p>Figs 1A, 2A–G</p><p>Type material.   Holotype: CHINA: male:“China: Yunnan, Zhaotong, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.292114&amp;materialsCitation.latitude=27.837584" title="Search Plazi for locations around (long 104.292114/lat 27.837584)">Wumengshan 
N.R.</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.292114&amp;materialsCitation.latitude=27.837584" title="Search Plazi for locations around (long 104.292114/lat 27.837584)">Xiaocaoba</a>, 27°50’15.3’’N, 104°17’31.6’’E, 1709 m, 20.vii.2023, Wei Guohao leg. [云南省DZdz市乌ae山保护区小¤坝ṆḄ区]” (SNUC)  .  Paratypes: 2 males, same data as holotype .</p><p>Diagnosis. Body reddish brown; head with umbilicate punctation; abdominal tergites lacking microsculpture; aedeagal ventral process divided into two branches at apex in ventral view; dorso-lateral apophyses slightly curved dorsad in lateral view, not reaching apex of ventral process.</p><p>Description. Body length 6.2–6.6 mm; forebody length 3.1–3.3 mm.</p><p>Body (Fig. 1A) reddish brown to dark brown; antennae and legs yellowish brown.</p><p>Head (Fig. 2A) 1.03–1.05 times as long as wide; punctation dense and coarse, distinctly umbilicate and partly confluent, interstices lacking microsculpture; postocular portion approximately 1.9–2.0 times as long as eye length.</p><p>Pronotum (Fig. 2A) 1.19–1.25 times as long as wide, 0.99–1.04 times as long and 0.84–0.89 times as broad as head; punctation non-umbilicate, moderately dense, less coarse than that of head; midline posteriorly with short and narrow impunctate elevation; interstices lacking microsculpture.</p><p>Elytra (Fig. 2A) 0.57–0.68 times as long as wide, 0.53–0.56 times as long and 1.00–1.18 times as broad as pronotum; punctation as dense as and less coarse than that of pronotum; interstices lacking microsculpture.</p><p>Abdomen with punctation dense and rather coarse on tergites III–V, dense and less coarse on tergite VI, moderately dense and fine on tergites VII; less dense and fine on tergites VIII; interstices lacking microsculpture.</p><p>Male. Sternite VII (Fig. 2B) with posterior margin nearly truncate at middle. Sternite VIII (Fig. 2C) with triangular posterior excision. Aedeagus (Figs 2D–G) moderately sclerotized; ventral process divided into two branches at apex in ventral view, with round apex in lateral view, and with pair of laminae near middle laterally in ventral view; dorso-lateral apophyses thin and long, slightly curved dorsad in lateral view, not reaching apex of ventral process.</p><p>Distribution and habitat data. The species is known only from Wumengshan  N. R. in northeast Yunnan. The specimens were collected by sifting leaf litter at an altitude of 1709 m.</p><p>Comparative notes. The new species is very similar to  N. divisus Hu &amp; Li, 2015 in general appearance and separated only by the aedeagal characters: ventral process longer, with wide and round apex in lateral view (Figs 2F, 2G); dorso-lateral apophyses nearly straight in ventral view (Figs 3E, F) (in  N. divisus, dorso-lateral apophyses slightly curved inward).</p><p>Etymology. The specific epithet is derived from the name of the type locality: Wumengshan  N.R.</p></div>	https://treatment.plazi.org/id/03D887A6FF97FFCE89C98873FA93F807	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Yang, Yi;Hu, Jia-Yao	Yang, Yi, Hu, Jia-Yao (2025): Four new species of Nazeris Fauvel from Wumengshan Nature Reserve, Yunnan, China (Coleoptera, Staphylinidae, Paederinae). Zootaxa 5575 (4): 577-587, DOI: 10.11646/zootaxa.5575.4.8, URL: https://doi.org/10.11646/zootaxa.5575.4.8
03D887A6FF95FFC889C98A8FFB7FFE6E.text	03D887A6FF95FFC889C98A8FFB7FFE6E.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Nazeris zhaotongus Yang & Hu 2025	<div><p>Nazeris zhaotongus Yang &amp; Hu sp. nov.</p><p>Figs 1B, 3A–G</p><p>Type material.   Holotype: CHINA: male: “China: Yunnan, Zhaotong, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=103.91373&amp;materialsCitation.latitude=28.20714" title="Search Plazi for locations around (long 103.91373/lat 28.20714)">Sanjiangkou 
N. R.</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=103.91373&amp;materialsCitation.latitude=28.20714" title="Search Plazi for locations around (long 103.91373/lat 28.20714)">Wumeng Mt.</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=103.91373&amp;materialsCitation.latitude=28.20714" title="Search Plazi for locations around (long 103.91373/lat 28.20714)">Laziping</a>, 28°12’25.7’’N, 103°54’49.4’’E, 1952m, 15.vii.2023, Wei Guohao leg. [云南省Dzdz市三江口保护区乌ae山OiŦ 坪]” (SNUC).</p><p>Diagnosis. Body reddish brown; head with umbilicate punctation; abdomen with fine microsculpture on all tergite; aedeagal ventral process widened near middle in ventral view, with small triangular excision at apex; dorso-lateral apophyses wide, with round apex in ventral view, not reaching apex of ventral process.</p><p>Description. Body length 5.8 mm; forebody length 2.9 mm.</p><p>Body (Fig. 1B) reddish brown; antennae and legs yellowish brown.</p><p>Head (Fig. 3A) 1.08 times as long as wide; punctation moderately dense and coarse, distinctly umbilicate, but not confluent, interstices lacking microsculpture; postocular portion approximately 1.9 times as long as eye length.</p><p>Pronotum (Fig. 3A) 1.17 times as long as wide, as long as and 0.92 times as broad as head; punctation non-umbilicate, moderately dense, less coarse than that of head; midline with long and narrow impunctate elevation; interstices lacking microsculpture.</p><p>Elytra (Fig. 3A) 0.72 times as long as wide, 0.57 times as long and 0.92 times as broad as pronotum; punctation more dense and less coarse than that of pronotum; interstices lacking microsculpture.</p><p>Abdomen with punctation dense and rather coarse on tergites III–IV, dense and less coarse on tergite V, moderately dense and fine on tergites VI–VIII; with fine microsculpture on all tergites.</p><p>Male. Sternite VII (Fig. 3B) with posterior margin slightly protruding in middle. Sternite VIII (Fig. 3C) with triangular posterior excision. Aedeagus (Figs 3D–G) moderately sclerotized; ventral process widened near middle in ventral view, with small triangular excision at apex; dorso-lateral apophyses wide, with round apex in ventral view, not reaching apex of ventral process.</p><p>Distribution and habitat data. The species is known only from Wumengshan  N. R. in northeast Yunnan. The specimen was collected by sifting leaf litter at an altitude of 1952 m.</p><p>Comparative notes. The new species is distinguished from all the known species of  Nazeris from Yunnan and adjacent area by the abdomen with fine microsculpture on all tergites; by the sternite VII with posterior margin slightly protrude in the middle (Fig. 3B); and by the wide dorso-lateral apophyses in ventral view (Figs 3D, E).</p><p>Etymology. The specific epithet is derived from the name of the type locality: Zhaotong City.</p></div>	https://treatment.plazi.org/id/03D887A6FF95FFC889C98A8FFB7FFE6E	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Yang, Yi;Hu, Jia-Yao	Yang, Yi, Hu, Jia-Yao (2025): Four new species of Nazeris Fauvel from Wumengshan Nature Reserve, Yunnan, China (Coleoptera, Staphylinidae, Paederinae). Zootaxa 5575 (4): 577-587, DOI: 10.11646/zootaxa.5575.4.8, URL: https://doi.org/10.11646/zootaxa.5575.4.8
03D887A6FF92FFC989C98BE7FB69FC2F.text	03D887A6FF92FFC989C98BE7FB69FC2F.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Nazeris guohaoi Yang & Hu 2025	<div><p>Nazeris guohaoi Yang &amp; Hu sp. nov.</p><p>Figs 1C, 4A–G</p><p>Type material.   Holotype: CHINA: male: “China: Yunnan, Zhaotong, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.30492&amp;materialsCitation.latitude=27.847305" title="Search Plazi for locations around (long 104.30492/lat 27.847305)">Wumengshan 
N.R.</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.30492&amp;materialsCitation.latitude=27.847305" title="Search Plazi for locations around (long 104.30492/lat 27.847305)">Xiaocaoba</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.30492&amp;materialsCitation.latitude=27.847305" title="Search Plazi for locations around (long 104.30492/lat 27.847305)">Miao Mt.</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.30492&amp;materialsCitation.latitude=27.847305" title="Search Plazi for locations around (long 104.30492/lat 27.847305)">Qujing Bridge</a>, 27°50’50.3’’N, 104°18’17.7’’E, 1650-1927 m, 22.vii.2023, Wei Guohao leg. [云南省Dzdz市乌ae 山保护区小¤坝庙山-取ü桥]” (SNUC)  .  Paratypes: 6 males, 2 females, same data as holotype;   1 male, 1 female, same data, except “ Daguan Co., <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.050446&amp;materialsCitation.latitude=27.945166" title="Search Plazi for locations around (long 104.050446/lat 27.945166)">Luohanba</a>, Chechangping, 27°56’42.6’’N, 104°03’01.6’’E, 1573 m, 17.vii.2023. [云南省Dzdz市±关县¶汉坝$厂坪]” (SNUC)  .</p><p>Diagnosis. Body reddish brown; head with umbilicate punctation; abdominal tergites lacking microsculpture; aedeagal ventral process with thin and long cavity in the middle; dorso-lateral apophyses with a few mild sawteeth at lateral margin near base in ventral view, extending slightly beyond apex of ventral process.</p><p>Description. Body length 4.6–5.0 mm; forebody length 2.3–2.6 mm.</p><p>Body (Fig. 1C) reddish brown; antennae and legs yellowish brown.</p><p>Head (Fig. 4A) 1.02–1.05 times as long as wide; punctation dense and coarse, distinctly umbilicate and partly confluent, interstices lacking microsculpture; postocular portion approximately 1.8–2.0 times as long as eye length.</p><p>Pronotum (Fig. 4A) 1.07–1.19 times as long as wide, 0.94–1.05 times as long and 0.89–0.93 times as broad as head; punctation non-umbilicate, moderately dense and less coarse than that of head; midline posteriorly with short and narrow impunctate elevation; interstices lacking microsculpture.</p><p>Elytra (Fig. 4A) 0.73–0.79 times as long as wide, 0.60–0.61 times as long and 0.85–0.95 times as broad as pronotum; punctation more dense and less coarse than that of pronotum; interstices lacking microsculpture.</p><p>Abdomen with punctation dense and rather coarse on tergites III–IV, dense and less coarse on tergite V, moderately dense and fine on tergites VI–VIII; interstices lacking microsculpture.</p><p>Male. Sternite VII (Fig. 4B) with posterior margin slightly emarginated in middle, with dense and dark setae near emargination. Sternite VIII (Fig. 4C) with V-shaped deep posterior excision. Aedeagus (Figs 4D–G) well sclerotized; ventral process long, with narrow and longitudinal cavity in middle in ventral view; dorso-lateral apophyses strong, with wide and round apex in ventral view, with a few weakly-developed sawteeth at lateral margin near base in ventral view, extending slightly beyond apex of ventral process.</p><p>Distribution and habitat data. The species is known only from Wumengshan  N. R. in northeast Yunnan. The specimens were collected by sifting leaf litter at altitudes of 1573-1927 m.</p><p>Comparative notes. The new species is distinguished from all the known species of  Nazeris from Yunnan and adjacent area by the unique aedeagus: ventral process with narrow and longitudinal cavity in middle in ventral view (Figs 3D, E); dorso-lateral apophyses with a few mild sawteeth at lateral margin near base in ventral view (Figs 3D, E).</p><p>Etymology. The species is named in honor of Guo-Hao Wei, who collected the type specimens.</p></div>	https://treatment.plazi.org/id/03D887A6FF92FFC989C98BE7FB69FC2F	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Yang, Yi;Hu, Jia-Yao	Yang, Yi, Hu, Jia-Yao (2025): Four new species of Nazeris Fauvel from Wumengshan Nature Reserve, Yunnan, China (Coleoptera, Staphylinidae, Paederinae). Zootaxa 5575 (4): 577-587, DOI: 10.11646/zootaxa.5575.4.8, URL: https://doi.org/10.11646/zootaxa.5575.4.8
03D887A6FF93FFCA89C98E26FD23F997.text	03D887A6FF93FFCA89C98E26FD23F997.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Nazeris serratimarginatus Yang & Hu 2025	<div><p>Nazeris serratimarginatus Yang &amp; Hu sp. nov.</p><p>Figs 1D, 5A–G</p><p>Type material.   Holotype: CHINA: male:“China: Yunnan, Zhaotong, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.292114&amp;materialsCitation.latitude=27.837584" title="Search Plazi for locations around (long 104.292114/lat 27.837584)">Wumengshan 
N.R.</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=104.292114&amp;materialsCitation.latitude=27.837584" title="Search Plazi for locations around (long 104.292114/lat 27.837584)">Xiaocaoba</a>, 27°50’15.3’’N, 104°17’31.6’’E, 1709 m, 20.vii.2023, Wei Guohao leg. [云南省DZdz市乌ae山保护区小¤坝ṆḄ区]” (SNUC).</p><p>Diagnosis. Body reddish brown; head with umbilicate punctation; abdominal tergites lacking microsculpture; aedeagal ventral with drop-shaped cavity in the middle; dorso-lateral apophyses with small and dense sawteeth at basal half of lateral margin in ventral view, extending slightly beyond apex of ventral process.</p><p>Description. Body length 5.1 mm; forebody length 2.7 mm.</p><p>Body (Fig. 1D) reddish brown; antennae and legs yellowish brown.</p><p>Head (Fig. 5A) 1.02 times as long as wide; punctation dense and coarse, distinctly umbilicate and partly confluent, interstices lacking microsculpture; postocular portion approximately 2.13 times as long as eye length.</p><p>Pronotum (Fig. 5A) 1.09 times as long as wide, 0.97 times as long and 0.91 times as broad as head; punctation non-umbilicate, moderately dense and less coarse than that of head; midline posteriorly with short and narrow impunctate elevation; interstices lacking microsculpture.</p><p>Elytra (Fig. 5A) 0.64 times as long as wide, 0.56 times as long and 0.95 times as broad as pronotum; punctation more dense and less coarse than that of pronotum; interstices lacking microsculpture.</p><p>Abdomen with punctation dense and rather coarse on tergites III–IV, dense and less coarse on tergite V, moderately dense and fine on tergites VI–VIII; interstices lacking microsculpture.</p><p>Male. Sternite VII (Fig. 5B) with posterior margin slightly prominent at middle, with dense and dark setae near emargination. Sternite VIII (Fig. 5C) with wide V-shaped posterior excision. Aedeagus (Figs 5D–G) well sclerotized; ventral process long, with drop-shaped cavity in middle in ventral view, strongly curved dorsad at apex in lateral view; dorso-lateral apophyses long, with small and dense sawteeth at basal half of lateral margin in ventral view, distinctly expanded near apex in ventral and lateral view, extending slightly beyond apex of ventral process.</p><p>Distribution and habitat data. The species is known only from Wumengshan  N. R. in northeast Yunnan. The specimen was collected by sifting leaf litter at an altitude of 1709 m.</p><p>Comparative notes. The new species is very similar to  N. guohaoi in general appearance and separated by the following characters: male sternite VII with posterior margin slightly prominent at middle (Fig. 5B); ventral process of aedeagus with drop-shaped cavity in the middle in ventral view (Figs 5D, 5E) and strongly curved dorsad at apex in lateral view (Figs 5F, 5G); dorso-lateral apophyses with sawteeth at basal half of lateral margin in ventral view (Figs 5D, 5E).</p><p>Etymology. The specific epithet is composed of the Latin words ‘serratus’ and ‘marginatus’, indicating the serrated dorso-lateral apophyses of the aedeagus.</p></div>	https://treatment.plazi.org/id/03D887A6FF93FFCA89C98E26FD23F997	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Yang, Yi;Hu, Jia-Yao	Yang, Yi, Hu, Jia-Yao (2025): Four new species of Nazeris Fauvel from Wumengshan Nature Reserve, Yunnan, China (Coleoptera, Staphylinidae, Paederinae). Zootaxa 5575 (4): 577-587, DOI: 10.11646/zootaxa.5575.4.8, URL: https://doi.org/10.11646/zootaxa.5575.4.8
03D887A6FF90FFC589C98CBFFA02FE11.text	03D887A6FF90FFC589C98CBFFA02FE11.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Nazeris Fauvel 1873	<div><p>Key to species of  Nazeris in Yunnan, China</p><p>1. Head with non-umbilicate punctation (Assing 2013: 160, Fig. 164).......................  N. subdentatus Assing, 2013</p><p>- Head with umbilicate punctation (Fig. 2A)................................................................. 2</p><p>2. Male sternite VII with posterior margin emarginated to different extend at middle (Fig. 4B).......................... 3</p><p>- Male sternite VII with posterior margin truncate or slightly prominent at middle (Figs 2B, 5B)...................... 38</p><p>3. Male sternite VII with modified dense and dark setae near the posterior emargination (Fig. 4B; Hu et al. 2011: 17, Fig. 3).. 4</p><p>- Male sternite VII without such setae near the posterior emargination (Hu et al. 2011: 18, Fig. 8)..................... 17</p><p>4. Abdomen with fine microsculpture on tergites VII and VIII.................................................... 5</p><p>- Abdomen lacking microsculpture........................................................................ 7</p><p>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</p><p>- Ventral process of aedeagus distinctly widened at apical third in ventral view, with lateral margins curved (Assing 2014: 359, Fig. 6)............................................................................................. 6</p><p>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</p><p>- 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</p><p>7. Male sternite VIII with deep and narrow V-shaped posterior excision (Fig. 4C; Hu et al. 2011: 17, Fig. 4)............... 8</p><p>- Male sternite VIII with triangular or U-shaped posterior excision (Assing 2013: 153, Fig. 127)...................... 12</p><p>8. Dorso-lateral apophyses of aedeagus extending beyond apex of ventral process (Hu et al. 2011: 17, Fig. 5).............. 9</p><p>- Dorso-lateral apophyses of aedeagus extending much shorter than ventral process (Assing 2014: 362, Fig. 19).......... 11</p><p>9. Ventral process of aedeagus with tri-lobed apex (Hu et al. 2011: 17, Fig. 5)...............  N. nabanhensis Hu et al., 2011</p><p>- Ventral process of aedeagus with narrow apex, not tri-lobed (Fig. 4D).......................................... 10</p><p>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 &amp; Hu,  sp. nov.</p><p>- Dorso-lateral apophyses of aedeagus with smooth lateral margins in ventral view (Assing 2014: 366, Fig. 45)..........................................................................................  N. semifissus Assing, 2014</p><p>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</p><p>- 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</p><p>12. Dorso-lateral apophyses of aedeagus extending beyond apex of ventral process (Hu et al. 2011: 17, Fig. 5)............. 13</p><p>- Dorso-lateral apophyses of aedeagus extending shorter than ventral process (Assing 2014: 362, Fig. 19)............... 15</p><p>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</p><p>- Apical half of ventral process of aedeagus very narrow, conical shape in ventral view (Assing 2013: 151, Fig. 116)...... 14</p><p>14. Dorso-lateral apophyses of aedeagus widened near apex in ventral view (Assing 2013: 151, Fig. 116)...................................................................................................  N. pungens Assing, 2013</p><p>- Dorso-lateral apophyses of aedeagus widened near base in ventral view (Watanabe &amp; Xiao 2000: 315, Fig. 6).................................................................................  N. baihuaensis Watanabe &amp; Xiao, 2000</p><p>15. Ventral process of aedeagus wide, with wide trapezoidal excision at apex in ventral view (Watanabe &amp; Xiao 2000: 320, Fig. 19)....................................................................  N. ishiianus Watanabe &amp; Xiao, 2000</p><p>- Ventral process of aedeagus very narrow, with acute apex in ventral view (Watanabe &amp; Xiao 2000: 315, Fig. 6)......... 16</p><p>16. Middle of posterior excision of male sternite VII with a triangular projection (Assing 2013: 155, Fig. 133)..............................................................................................  N. barbatus Assing, 2013</p><p>- Middle of posterior excision of male sternite VII lacking projection (Assing 2013: 151, Fig. 118)....................................................................................................  N. peniculatus Assing, 2013</p><p>17. Male sternite VIII with a short projection at middle (Hu et al. 2011: 18, Fig. 9)...................  N. caoi Hu et al., 2011</p><p>- Male sternite VIII lacking projection at middle (Assing 2013: 140, Fig. 57)...................................... 18</p><p>18. Male sternite VIII with shallow triangular posterior excision (Assing 2013: 140, Fig. 57)......  N. wuliangicus Assing, 2013</p><p>- Male sternite VIII with V-shaped or U-shaped posterior excision (Assing 2013: 143, Fig. 77; Assing 2013: 149, Fig. 101). 19</p><p>19. Dorso-lateral apophyses of aedeagus extending beyond apex of ventral process (Assing 2013: 149, Fig. 103)............ 20</p><p>- Dorso-lateral apophyses of aedeagus extending shorter than ventral process (Assing 2014: 366, Fig. 38)............... 36</p><p>20. Ventral process of aedeagus with excision at apex in ventral view (Assing 2013: 149, Fig. 103)....  N. aculeatus Assing, 2013</p><p>- Ventral process of aedeagus lacking excision at apex in ventral view (Assing 2013: 149, Fig. 97)..................... 21</p><p>21. Ventral process of aedeagus with a triangular projection at middle in each lateral margin (Assing 2013: 149, Fig. 97)......................................................................................  N. cangicus Assing, 2013</p><p>- Ventral process of aedeagus lacking projection in lateral margin (Assing 2013: 164, Fig. 188)....................... 22</p><p>22. Ventral process of aedeagus with round apex in ventral view (Assing 2013: 164, Fig. 188).......................... 23</p><p>- Ventral process of aedeagus with sharp apex in ventral view (Assing 2013: 160, Fig. 161).......................... 31</p><p>23. Ventral process of aedeagus short and very wide in ventral view, nearly semicircular (Assing 2013: 167, Fig. 200)......................................................................................  N. bangmaicus Assing, 2013</p><p>- Ventral process of aedeagus not very wide in ventral view (Assing 2013: 140, Fig. 63)............................. 24</p><p>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</p><p>- Inner side of dorso-lateral apophyses of aedeagus lacking projection at middle in ventral view (Assing 2013: 140, Fig. 66)... .................................................................................................. 26</p><p>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 &amp; Xiao, 1997</p><p>- 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</p><p>26. Apex of dorso-lateral apophyses of aedeagus distinctly widened (Watanabe &amp; Xiao, 2000: 317, Fig. 9).........................................................................................  N. nomurai Watanabe &amp; Xiao, 2000</p><p>- Apex of dorso-lateral apophyses of aedeagus not widened (Assing 2013: 151, Fig. 110)............................ 27</p><p>27. Ventral process of aedeagus with pair of wing-like basal laminae ventrally (Assing 2013: 151, Fig. 110)............... 28</p><p>- Ventral process of aedeagus lacking basal laminae ventrally (Assing 2013: 143, Fig. 79)........................... 30</p><p>28. Basal laminae of ventral process of aedeagus long and wide, nearly triangular (Assing 2013: 151, Fig. 110)............................................................................................  N. zhemoicus Assing, 2013</p><p>- Basal laminae of ventral process of aedeagus short and narrow (Assing 2013: 142, Fig. 71)......................... 29</p><p>29. Apical half of dorso-lateral apophyses slightly widened in ventral view (Assing 2013: 140, Fig. 66).......................................................................................  N. jizushanensis Watanabe &amp; Xiao, 1997</p><p>- Apical half of dorso-lateral apophyses not widened in ventral view (Assing 2013: 142, Fig. 71)..  N. nivimontis Assing, 2013</p><p>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</p><p>- 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</p><p>31. Apex of ventral process of aedeagus curved ventrad in lateral view (Watanabe &amp; Xiao 2000: 319, Fig. 16)..................................................................................  N. huanxipoensis Watanabe &amp; Xiao, 2000</p><p>- Apex of ventral process of aedeagus not curved in lateral view (Assing 2013: 158, Fig. 147)........................ 32</p><p>32. Dorso-lateral apophyses of aedeagus strongly curved inward near apex in ventral view (Assing 2013: 160, Fig. 161)......................................................................................  N. infractus Assing, 2013</p><p>- Dorso-lateral apophyses of aedeagus not curved near apex in ventral view (Assing 2013: 155, Fig. 142)............... 33</p><p>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</p><p>- 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</p><p>34. Dorso-lateral apophyses of aedeagus strongly curved in lateral view (Assing 2013: 155, Fig. 141)...................................................................................................  N. firmilobatus Assing, 2013</p><p>- Dorso-lateral apophyses of aedeagus nearly straight in lateral view (Assing 2014: 23, Fig. 44)...  N. yulongicus Assing, 2014</p><p>35. Dorso-lateral apophyses of aedeagus strongly curved in lateral view (Assing 2013: 158, Fig. 154)...  N. curvus Assing, 2013</p><p>- Dorso-lateral apophyses of aedeagus nearly straight in lateral view (Assing 2013: 158, Fig. 147)..  N. spiculatus Assing, 2013</p><p>36. Dorso-lateral apophyses very short, extending only to the middle of ventral process (Assing 2014: 366, Fig. 38).........................................................................................  N. lamellatus Assing, 2014</p><p>- Dorso-lateral apophyses extending at least to the apical third of ventral process (Watanabe &amp; Xiao 1997: 5, Fig. 6)...... 37</p><p>37. Ventral process of aedeagus very wide in ventral view, lateral margins nearly parallel (Watanabe &amp; Xiao 1997: 7, Fig. 9)...........................................................................  N. alpinus Watanabe &amp; Xiao, 1997</p><p>- Apical half of ventral process of aedeagus very narrow in ventral view, less than half width of the basal part (Watanabe &amp; Xiao 1997: 5, Fig. 6).........................................................  N. giganteus Watanabe &amp; Xiao, 1997</p><p>38. Abdominal tergites with shallow microsculpture........................................................... 39</p><p>- Abdominal tergites lacking microsculpture................................................................ 40</p><p>39. Abdomen with microsculpture on all tergites.....................................  N. zhaotongus Yang &amp; Hu,  sp. nov.</p><p>- Abdomen with microsculpture on tergite VIII and posterior portion of tergite VII............  N. clavilobatus Assing, 2014</p><p>40. Dorso-lateral apophyses of aedeagus extending much shorter than ventral process (Fig. 2D).................................................................................................  N. wumengensis Yang &amp; Hu,  sp. nov.</p><p>- 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</p><p>41. Apical half of ventral process divided into two curved lamellae in ventral view (Assing 2013: 167, Fig. 206)...............................................................................................  N. fissus Assing, 2013</p><p>- Apical half of ventral process not divided in ventral view (Assing 2013: 162, Fig. 181)............................ 42</p><p>42. Dorso-lateral apophyses of aedeagus with small and dense sawteeth at basal half of lateral margin in ventral view (Fig. 5D)....................................................................  N. serratimarginatus Yang &amp; Hu,  sp. nov.</p><p>- Dorso-lateral apophyses of aedeagus with smooth lateral margins in ventral view (Assing 2013: 162, Fig. 181)......... 43</p><p>43. Dorso-lateral apophyses of aedeagus dilated or with projection in the middle in ventral view (Assing 2013: 162, Fig. 181)... .................................................................................................. 44</p><p>- Dorso-lateral apophyses of aedeagus slightly constricted in the middle in ventral view (Assing 2014: 389, Fig. 56)....... 47</p><p>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</p><p>- Inner side of dorso-lateral apophyses of aedeagus with triangular or round projection at middle in ventral view (Assing 2014: 369, Fig. 50)....................................................................................... 45</p><p>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</p><p>- Inner side of dorso-lateral apophyses of aedeagus with triangular projection at middle in ventral view (Assing 2013: 164, Fig. 194).............................................................................................. 46</p><p>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</p><p>- 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</p><p>47. Dorso-lateral apophyses apically distinctly oblique with acute internal angle in ventral view (Watanabe &amp; Xiao 1993: 132, Fig. 3)......................................................................  N. zhangi Watanabe &amp; Xiao, 1993</p><p>- Dorso-lateral apophyses apically stout and vertically truncate in ventral view (Assing 2014: 389, Fig. 56).............. 48</p><p>48 Dorso-lateral apophyses of aedeagus curved dorsad in apical half in lateral view (Assing 2014: 369, Fig. 55).............................................................................................  N. bulbosus Assing, 2014</p><p>- Dorso-lateral apophyses of aedeagus not curved dorsad in apical half in lateral view (Assing 2014: 371, Fig. 72)......................................................................................... ..  N. conicus Assing, 2014</p></div>	https://treatment.plazi.org/id/03D887A6FF90FFC589C98CBFFA02FE11	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Yang, Yi;Hu, Jia-Yao	Yang, Yi, Hu, Jia-Yao (2025): Four new species of Nazeris Fauvel from Wumengshan Nature Reserve, Yunnan, China (Coleoptera, Staphylinidae, Paederinae). Zootaxa 5575 (4): 577-587, DOI: 10.11646/zootaxa.5575.4.8, URL: https://doi.org/10.11646/zootaxa.5575.4.8
