taxonID	type	description	language	source
03D887A6FF97FFCE89C98873FA93F807.taxon	description	Figs 1 A, 2 A – G	en	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
03D887A6FF97FFCE89C98873FA93F807.taxon	materials_examined	Type material. Holotype: CHINA: male: “ China: Yunnan, Zhaotong, Wumengshan N. R., Xiaocaoba, 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.	en	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
03D887A6FF97FFCE89C98873FA93F807.taxon	diagnosis	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.	en	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
03D887A6FF97FFCE89C98873FA93F807.taxon	description	Description. Body length 6.2 – 6.6 mm; forebody length 3.1 – 3.3 mm. Body (Fig. 1 A) reddish brown to dark brown; antennae and legs yellowish brown. Head (Fig. 2 A) 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. Pronotum (Fig. 2 A) 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. Elytra (Fig. 2 A) 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. 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. Male. Sternite VII (Fig. 2 B) with posterior margin nearly truncate at middle. Sternite VIII (Fig. 2 C) with triangular posterior excision. Aedeagus (Figs 2 D – 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.	en	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
03D887A6FF97FFCE89C98873FA93F807.taxon	distribution	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. Comparative notes. The new species is very similar to N. divisus Hu & Li, 2015 in general appearance and separated only by the aedeagal characters: ventral process longer, with wide and round apex in lateral view (Figs 2 F, 2 G); dorso-lateral apophyses nearly straight in ventral view (Figs 3 E, F) (in N. divisus, dorso-lateral apophyses slightly curved inward).	en	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
03D887A6FF97FFCE89C98873FA93F807.taxon	etymology	Etymology. The specific epithet is derived from the name of the type locality: Wumengshan N. R.	en	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.taxon	description	Figs 1 B, 3 A – G	en	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.taxon	materials_examined	Type material. Holotype: CHINA: male: “ China: Yunnan, Zhaotong, Sanjiangkou N. R., Wumeng Mt., Laziping, 28 ° 12 ’ 25.7 ’’ N, 103 ° 54 ’ 49.4 ’’ E, 1952 m, 15. vii. 2023, Wei Guohao leg. [云南省Dzdz市三江口保护区乌ae山OiŦ 坪] ” (SNUC).	en	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.taxon	diagnosis	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.	en	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.taxon	description	Description. Body length 5.8 mm; forebody length 2.9 mm. Body (Fig. 1 B) reddish brown; antennae and legs yellowish brown. Head (Fig. 3 A) 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. Pronotum (Fig. 3 A) 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. Elytra (Fig. 3 A) 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. 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. Male. Sternite VII (Fig. 3 B) with posterior margin slightly protruding in middle. Sternite VIII (Fig. 3 C) with triangular posterior excision. Aedeagus (Figs 3 D – 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.	en	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.taxon	distribution	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. 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. 3 B); and by the wide dorso-lateral apophyses in ventral view (Figs 3 D, E).	en	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.taxon	etymology	Etymology. The specific epithet is derived from the name of the type locality: Zhaotong City.	en	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.taxon	description	Figs 1 C, 4 A – G	en	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.taxon	materials_examined	Type material. Holotype: CHINA: male: “ China: Yunnan, Zhaotong, Wumengshan N. R., Xiaocaoba, Miao Mt., Qujing Bridge, 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., Luohanba, 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).	en	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.taxon	diagnosis	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.	en	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.taxon	description	Description. Body length 4.6 – 5.0 mm; forebody length 2.3 – 2.6 mm. Body (Fig. 1 C) reddish brown; antennae and legs yellowish brown. Head (Fig. 4 A) 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. Pronotum (Fig. 4 A) 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. Elytra (Fig. 4 A) 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. 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. Male. Sternite VII (Fig. 4 B) with posterior margin slightly emarginated in middle, with dense and dark setae near emargination. Sternite VIII (Fig. 4 C) with V-shaped deep posterior excision. Aedeagus (Figs 4 D – 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.	en	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.taxon	distribution	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. 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 3 D, E); dorso-lateral apophyses with a few mild sawteeth at lateral margin near base in ventral view (Figs 3 D, E).	en	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.taxon	etymology	Etymology. The species is named in honor of Guo-Hao Wei, who collected the type specimens.	en	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.taxon	description	Figs 1 D, 5 A – G	en	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.taxon	materials_examined	Type material. Holotype: CHINA: male: “ China: Yunnan, Zhaotong, Wumengshan N. R., Xiaocaoba, 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).	en	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.taxon	diagnosis	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.	en	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.taxon	description	Description. Body length 5.1 mm; forebody length 2.7 mm. Body (Fig. 1 D) reddish brown; antennae and legs yellowish brown. Head (Fig. 5 A) 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. Pronotum (Fig. 5 A) 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. Elytra (Fig. 5 A) 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. 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. Male. Sternite VII (Fig. 5 B) with posterior margin slightly prominent at middle, with dense and dark setae near emargination. Sternite VIII (Fig. 5 C) with wide V-shaped posterior excision. Aedeagus (Figs 5 D – 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.	en	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.taxon	distribution	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. 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. 5 B); ventral process of aedeagus with drop-shaped cavity in the middle in ventral view (Figs 5 D, 5 E) and strongly curved dorsad at apex in lateral view (Figs 5 F, 5 G); dorso-lateral apophyses with sawteeth at basal half of lateral margin in ventral view (Figs 5 D, 5 E).	en	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.taxon	etymology	Etymology. The specific epithet is composed of the Latin words ‘ serratus’ and ‘ marginatus’, indicating the serrated dorso-lateral apophyses of the aedeagus.	en	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
