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Nazeris serratus Lin, Yu & Hu 2022, sp. n.
No full textNazeris serratus Lin, Yu & Hu, sp. n. Figs 7, 40–44 Type material. Holotype: CHINA: male: " China: Guizhou, Rongjiang County, Xiaodanjiang, 26°20'16.09''N, 108°20'23.34''E, 700 m, 5.v.2021, Tang, Peng, Cai & Song leg." (SNUC). Paratypes: 25 males, 26 females, same data as holotype. (SNUC). Description. Body length 4.1–4.5 mm; forebody length 2.3–2.6 mm. Body (Fig. 7) reddish brown; antennae and legs yellowish brown. Head (Fig. 40) 1.10–1.19 times as long as wide; punctation very dense, moderately coarse, distinctly umbilicate and partly confluent, interstices lacking microsculpture; postocular portion approximately 1.7–1.9 times as long as eye length. Pronotum (Fig. 40) 1.12–1.17 times as long as wide, 0.88–1.06 times as long and 0.90–0.94 times as broad as head; punctation non-umbilicate, moderately dense and as coarse as that of head; midline posteriorly with short and very narrow impunctate elevation; interstices lacking microsculpture. Elytra (Fig. 40) 0.65–0.68 times as long as wide, 0.55–0.57 times as long and 0.94–0.98 times as broad as pronotum; punctation as dense as, and slightly coarser 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–VIII; interstices lacking microsculpture. Male. Sternite VII (Fig. 41) with posterior margin shallowly emarginated in the middle. Sternite VIII (Fig. 42) with triangular posterior excision. Aedeagus (Figs 43, 44) moderately sclerotized; ventral process long, with acute apex in ventral view; dorso-lateral apophyses with inner sides serrated in ventral view, extending slightly beyond apex of ventral process. Distribution and habitat data. The species is known from Xiaodanjiang in eastern Guizhou. The specimens were collected by sifting leaf litter at an altitude of 700 m. Comparative notes. This species is very similar in general appearance to N. maoershanus Hu & Qiao (Hu & Qiao 2019: 435, Figs 12–16) and N. huapingensis Hu & Li (Hu & Li 2017: 336, Figs 10–14) and separated only by the aedeagal characters: the ventral process with acute apex and by the serrated inner sides of dorso-lateral apophyses of aedeagus (Fig. 43). Etymology. The specific epithet (Latin, adjective: serrated) alludes to the serrated dorso-lateral apophyses of the aedeagus.Published as part of Lin, Xiao-Bin, Yu, De-Hui & Hu, Jia-Yao, 2022, The Nazeris fauna of the Leigong Mountain, Guizhou, China (Coleoptera, Staphylinidae, Paederinae), pp. 41-53 in Zootaxa 5138 (1) on pages 51-52, DOI: 10.11646/zootaxa.5138.1.4, http://zenodo.org/record/655213
Nazeris leigongensis Lin, Yu & Hu 2022, sp. n.
No full textNazeris leigongensis Lin, Yu & Hu, sp. n. Figs 3, 18–22 Type material. Holotype: CHINA: male: " China: Guizhou, Leishan County, Leigong Mt., Xiannütang, 26°22'22.11''N, 108°11'52.12''E, 1550 m, 3.v.2021, Tang, Peng, Cai & Song leg." (SNUC). Paratypes: 6 males, 7 females, same data as holotype; 3 males, 2 females, same data, except " 30.iv.2021 "; 2 males, same data, except " 1.v.2021 "; 2 males, same data, except " 6.v.2021 " (SNUC). Description. Body length 6.1–6.6 mm; forebody length 3.2–3.4 mm. Body (Fig. 3) dark brown; legs yellowish brown; antennae dark brown to light brown. Head (Fig. 18) 1.04–1.11 times as long as wide; punctation very dense, moderately coarse, distinctly umbilicate, interstices lacking microsculpture; postocular portion approximately 1.7–2.0 times as long as eye length. Pronotum (Fig. 18) 1.07–1.17 times as long as wide, 0.94–0.98 times as long and 0.88–0.97 times as broad as head; punctation non-umbilicate, moderately dense and as coarse as that of head; midline posteriorly with short and narrow impunctate elevation; interstices lacking microsculpture. Elytra (Fig. 18) 0.66–0.74 times as long as wide, 0.56–0.59 times as long and 0.91–0.95 times as broad as pronotum; punctation as dense as, and slightly coarser 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–VIII; interstices lacking microsculpture. Male. Sternite VII (Fig. 19) with posterior margin nearly truncate at middle. Sternite VIII (Fig. 20) with triangular posterior excision. Aedeagus (Figs 21, 22) well sclerotized; ventral process wide and short, with nearly truncate or slightly concaved apex in ventral view; dorso-lateral apophyses moderately strong, with wide and round apex in ventral view, nearly straight in lateral view, extending beyond apex of ventral process. Distribution and habitat data. The species is known from Leigong Mt. in eastern Guizhou. The specimens were collected by sifting leaf litter at an altitude of 1,550 m. Comparative notes. The new species is similar in general appearance and tergites characters to N. congchaoi Hu & Li (Hu & Li 2015: 11, Fig. 6), but can be separated by the wider posterior excision of male sternite VIII, by the much shorter ventral process (Fig. 21) and much wider dorso-lateral apophyses of aedeagus (Fig. 21). Etymology. The specific epithet derived from Leigong Mt., where the species was discovered.Published as part of Lin, Xiao-Bin, Yu, De-Hui & Hu, Jia-Yao, 2022, The Nazeris fauna of the Leigong Mountain, Guizhou, China (Coleoptera, Staphylinidae, Paederinae), pp. 41-53 in Zootaxa 5138 (1) on pages 45-47, DOI: 10.11646/zootaxa.5138.1.4, http://zenodo.org/record/655213
Cosmocomoidea atra Aishan & Triapitsyn & Xu & Lin & Hu 2016, s.l.
No full textCosmocomoidea atra (Foerster, 1841) s.l. (Figs 1–4) Gonatocerus ater Foerster 1841: 45. Type locality: Aachen, North Rhine-Westphalia, Germany. Gonatocerus (Cosmocomoidea) ater Foerster s.str. and s.l.: Triapitsyn 2013a: 119 –137 (taxonomic history, type information, lectotype designation, redescription, distribution, discussion); Triapitsyn 2013b: 214 (record from Canada). Cosmocomoidea atra (Förster): Huber 2015: 17 (list). Material examined. CHINA: FUJIAN: Fuzhou, 29.v.1999, M. Xu (Xu Mei) [3 ♀, FAFU]. Jiangle, 7.x.1991, N.- q. Lin (Lin Nai-quan) [4 ♀, FAFU]. GUANGXI, Xiangping, 25.v.1986, Y. Tang (Tang Yuqing) [2 ♀, FAFU]. HUBEI, Xuanen, 5.viii.1989, D. Huang (Huang Dawei) [1 ♀, FAFU]. SHAANXI, Taibaishan, 3.ix.1999, N.-q. Lin [1 ♀, FAFU]. XINJIANG: Shihezi, 12.vii.2001, H.-y. Hu (Hu Hong-ying) [4 ♀, ICXU]; 9.viii.2014, H.-y. Hu [1 ♀, ICXU]. Urumqi, 25.vii.2001, W. Cui (Cui Weidong) [1 ♀, ICXU]. Wusu, 17.vii.2001, H.-y. Hu [3 ♀, ICXU]. Xinyuan, 7.viii.1997, D. Ma (Ma Deying) [2 ♀, ICXU]. Yanqi, 7.viii.2001, H.-y. Hu [3 ♀, ICXU]. YUNNAN, Yongsheng, 8.vii.1984, C. Li (Li Changfang) [1 ♀, FAFU]. Redescription. FEMALE. Body length 960–1150 µm. Body and antenna mostly dark brown, legs light to dark brown. Antenna (Fig. 1) with radicle 0.2–0.3× total length of scape, rest of scape 2.35–3.45× as long as wide; pedicel much longer than F1; F1 and F2 subequal in length and the shortest funicle segments, F3 slightly longer than F4, F4 shorter than the following funicle segments, F5–F8 more or less subequal in length; mps on F3 (1), F4 (1), F5 (2), F6 (0 [or 1 on one antenna]), F7 (2) and F8 (2). Clava with 8 mps, 2.3–3.5× as long as wide. Mesosoma slightly shorter than metasoma. Propodeum (Fig. 2) usually with complete submedian carinae narrowing anteriorly and usually joining together at anterior margin of propodeum but sometimes fading at dorsellum. Fore wing (Fig. 3) 2.5–2.7× as long as wide; longest marginal seta 0.1–0.2× maximum wing width; disc with a slight brownish tinge and bare behind venation except for 3 or more setae behind stigmal vein, and densely setose elsewhere. Hind wing 13.6–17.5× as long as wide; disc unevenly setose, with a slight brownish tinge; longest marginal seta 1.6–1.8× maximum wing width. Ovipositor (Fig. 4) occupying 0.9–1.0× length of gaster, not or at most barely exserted beyond the apex of gaster, 1.1–1.5× as long as mesotibia. MALE. Unknown from China but known from other countries (Triapitsyn 2013a). Distribution. For C. atra s.l., Holarctic and Oriental (Zeya & Hayat 1995; Triapitsyn 2013a); China (new record, both Palearctic and Oriental parts). Hosts. Unknown for C. atra s.str. but see host records and discussion in Triapitsyn (2013a) for C. atra s.l. Comments. We identify specimens from China as C. atra s. l. because they do not exactly agree with the lectotype in the shape of the propodeal carinae but fit Matthews’ (1986) and Zeya & Hayat’s (1995) concepts of the species (Triapitsyn 2013a).Published as part of Aishan, Zhulidezi, Triapitsyn, Serguei V., Xu, Mei, Lin, Nai-Quan & Hu, Hong-Ying, 2016, Review of Cosmocomoidea (Hymenoptera: Mymaridae) from China, with descriptions of two new species, pp. 525-535 in Zootaxa 4085 (4) on pages 527-528, DOI: 10.11646/zootaxa.4085.4.4, http://zenodo.org/record/105275
CHUN-LIN HU & JIN-HUA DING (2014) A new species of Neobelocera Ding & Yang (Hemiptera Delphacidae: Delphacinae: Tropidocephalini) from China, with a key to species of the genus. Zootaxa,
No full textHu, Chun-Lin, Ding, Jin-Hua (2014): CHUN-LIN HU & JIN-HUA DING (2014) A new species of Neobelocera Ding & Yang (Hemiptera Delphacidae: Delphacinae: Tropidocephalini) from China, with a key to species of the genus. Zootaxa,. Zootaxa 3790 (3): 500-500, DOI: http://dx.doi.org/10.11646/zootaxa.3790.3.
Nazeris yujiei Lin, Yu & Hu 2022, sp. n.
No full textNazeris yujiei Lin, Yu & Hu, sp. n. Figs 4, 23–27 Type material. Holotype: CHINA: male: " China: Guizhou, Rongjiang County, Xiaodanjiang, 26°20'16.09''N, 108°20'23.34''E, 700 m, 5.v.2021, Tang, Peng, Cai & Song leg." (SNUC). Paratypes: 3 males, 2 females, same data as holotype. (SNUC). Description. Body length 6.0– 6.7 mm; forebody length 2.9–3.6 mm. Body (Fig. 4) dark brown; legs yellowish brown; antennae dark brown to light brown. Head (Fig. 23) 1.07–1.11 times as long as wide; punctation very dense, moderately coarse, distinctly umbilicate, interstices lacking microsculpture; postocular portion approximately 1.7–1.8 times as long as eye length. Pronotum (Fig. 23) 1.16–1.20 times as long as wide, 0.97–1.00 times as long and 0.89–0.92 times as broad as head; punctation non-umbilicate, moderately dense and as coarse as that of head; midline posteriorly with short and narrow impunctate elevation; interstices lacking microsculpture. Elytra (Fig. 23) 0.62–0.67 times as long as wide, 0.50–0.57 times as long and 0.97–1.00 times as broad as pronotum; punctation as dense as, and slightly coarser 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–VIII; interstices lacking microsculpture. Male. Sternite VII (Fig. 24) with posterior margin weakly prominent at middle. Sternite VIII (Fig. 25) with triangular posterior excision. Aedeagus (Figs 26, 27) well sclerotized; ventral process short, narrowed apicad, with acute apex in ventral view; dorso-lateral apophyses moderately strong, with wide and round apex in ventral view, slightly curved in lateral view, extending beyond apex of ventral process. Distribution and habitat data. The species is known from Xiaodanjiang, very close to Leigong Mt. in eastern Guizhou. The specimens were collected by sifting leaf litter at an altitude of 700 m. Comparative notes. The new species is very similar to N. leigongensis in general appearance and separated only by the aedeagal characters: the acute apex of ventral process in ventral view, and the narrower dorso-lateral apophyses in lateral view (Fig. 26). Etymology. The species is named in honor of Yu-Jie Cai, who collected the type specimens.Published as part of Lin, Xiao-Bin, Yu, De-Hui & Hu, Jia-Yao, 2022, The Nazeris fauna of the Leigong Mountain, Guizhou, China (Coleoptera, Staphylinidae, Paederinae), pp. 41-53 in Zootaxa 5138 (1) on pages 47-48, DOI: 10.11646/zootaxa.5138.1.4, http://zenodo.org/record/655213
Nazeris muricatus Lin, Yu & Hu 2022, sp. n.
No full text<i>Nazeris muricatus</i> Lin, Yu & Hu, sp. n. <p>Figs 5, 28–32</p> <p> <b>Type material.</b> <b>Holotype: CHINA:</b> male: " China: Guizhou, Leishan County, Leigong Mt., Xiannütang, 26°22'22.11''N, 108°11'52.12''E, 1550 m, 3.v.2021, Tang, Peng, Cai & Song leg." (SNUC). <b>Paratypes</b>: 1 male, same data as holotype; 2 males, 2 females, same data, except "summit of Leigong Mt., 26°23'13.78''N, 108°12'11.87''E, 1700–2150 m, 1.v.2021 "; 1 male, 1 female, same data, except " Rongjiang County, Xiaodanjiang, 26°20'16.09''N, 108°20'23.34''E, 700 m, 5.v.2021 " (SNUC).</p> <p> <b>Description.</b> Body length 5.4–5.7 mm; forebody length 2.8–3.2 mm.</p> <p>Body (Fig. 5) dark brown; legs reddish brown; antennae reddish brown to light brown.</p> <p>Head (Fig. 28) 1.01–1.05 times as long as wide; punctation moderately dense and coarse, distinctly umbilicate, interstices lacking microsculpture; postocular portion approximately 1.8–2.0 times as long as eye length.</p> <p>Pronotum (Fig. 28) 1.08–1.16 times as long as wide, 0.95–1.03 times as long and 0.90–0.93 times as broad as head; punctation non-umbilicate, moderately dense and as coarse as that of head; midline posteriorly with very short and narrow impunctate elevation; interstices lacking microsculpture.</p> <p>Elytra (Fig. 28) 0.52–0.60 times as long as wide, 0.50–0.53 times as long and 0.97–1.03 times as broad as pronotum; punctation as dense as, and slightly coarser 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–VIII; with fine microsculpture on all tergites.</p> <p>Male. Sternite VII (Fig. 29) with posterior margin truncate at middle. Sternite VIII (Fig. 30) with V-shaped posterior excision. Aedeagus (Figs 31, 32) moderately sclerotized; ventral process long, narrowed apicad, with acute apex in ventral view, curved ventrad in lateral view; dorso-lateral apophyses slender, distinctly curved in ventral view, slightly widened near apex in ventral view, not reaching apex of ventral process.</p> <p> <b>Distribution and habitat data.</b> The species is known from Leigong Mt. and Xiaodanjiang in eastern Guizhou. The specimens were collected by sifting leaf litter at altitudes of 700–2,150 m.</p> <p> <b>Comparative notes.</b> The new species is very similar to <i>N. rugosus</i> Hu & Qiao (Hu & Qiao 2019: 436, Figs 17–24) in general appearance but can be separated by the microsculpture only present on abdomen, by the ventral process of aedeagus distinctly wider and lacking basal laminae in ventral view (Fig. 32).</p> <p> <b>Etymology.</b> The specific epithet (Latin, adjective: pointed) alludes to the pointed ventral process of the aedeagus.</p>Published as part of <i>Lin, Xiao-Bin, Yu, De-Hui & Hu, Jia-Yao, 2022, The Nazeris fauna of the Leigong Mountain, Guizhou, China (Coleoptera, Staphylinidae, Paederinae), pp. 41-53 in Zootaxa 5138 (1)</i> on page 49, DOI: 10.11646/zootaxa.5138.1.4, <a href="http://zenodo.org/record/6552139">http://zenodo.org/record/6552139</a>
Dr. Lin Sun, CAU, March 2013
No full textThis video is a conversation with Dr. Lin Sun. Dr. Sun talks about an exhibit at the Woodruff Library titled "At The Boundary." Jordan Moore, AUC Woodruff Library, is the interviewer
Anchocerus wenxuani Lin & Hu 2021, sp. n.
No full text<i>Anchocerus wenxuani</i> Lin & Hu, sp. n. <p>(Figs. 1–11)</p> <p> <b>Type material.</b> <b>Holotype: CHINA:</b> male, ‘China: Guangxi Prov., Xing’an County, Maoer Mt., nr. Hongjunting, 25°54’15.28’’N, 110°28’03.66’’E, 1400–1500 m, 7.v.2021, Yin, Zhang, Pan & Shen leg.’ (SNUC). <b>Paratypes: CHINA:</b> 2 females, same data as holotype; 1 female, same data, except ‘ 25°54’05.08’’N, 110°28’13.51’’E, 1360 m’; 1 male, same data, except ‘ Jiuniutang, 25°58’24’’N, 110°21’32’’E, 1150 m, 31.vii.2014, X.-B. Song & Z. Peng leg. ’; 1 female, same data, except ‘ 25°53’7’’N, 110°29’14’’E, beech forest, mixed leaf litter, humus, sifted, 1143 m, 31.vii.2014, Peng, Song, Yu & Yan leg. ’; 1 male, same data, except ‘ Jinxiu County, Dayao Mt., 7 km, 24°09’07’’N, 110°12’29’’E, 1300 m, 16.vii.2014, Peng, Song, Yu & Yan leg.’ (SNUC).</p> <p> <b>Description.</b> BL: 10.9–13.5 mm, FL: 4.7–5.1 mm.</p> <p>Body (Fig. 1) dark brown; mouth parts, tarsus and apical margin of abdominal tergites reddish brown.</p> <p>Head (Figs 2, 3) shorter than wide (HL/HW=0.85–0.87), slightly dilated behind eyes. Temples 1.66–1.77 times as long as eyes. Dorsal macrosetae (one side only): one near antennal base; one medially between eyes; one postero-medially, closer to neck constriction than to posterior margin of eye; one medially near neck constriction; two laterally on temple, of which one near posterior margin of eye, one near neck constriction. Surface with dense and fine non-setiferous punctation, lacking microsculpture. Antennae with segment 1 about as long as three following segments combined, segment 2 distinctly longer than segment 3, segments 4–8 longer than wide, becoming vaguely shorter, segment 9 about as long as wide, segment 10 slightly wider than long, last segment short, about as long as wide.</p> <p>Pronotum (Figs 2, 3) shorter than wide (PL/PW=0.83–0.88), longer (PL/HL=1.33–1.41) and wider (PW/ HW=1.36–1.40) than head; with punctation slightly finer than those on head, lacking microsculpture. Dorsal macrosetae (one side only): One medial and two lateral.</p> <p>Elytra (Figs 2, 3) with dense and coarse punctation and brown setae, lacking microsculpture, shorter than wide (EL/EW=0.79–0.84), slightly longer (EL/PL=1.00–1.05) and wider (EW/PW=1.06–1.10) than pronotum. Wings well developed. Scutellum with punctation and setae similar to those on elytra.</p> <p>Abdomen (Fig. 1) with coarse punctation except for median part of tergite II; tergite VII with whitish apical seam; all tergites with dense and very fine transverse microsculpture.</p> <p>Legs densely covered with brown setae, all tibiae with lateral spines.</p> <p>Male. Sternite IX (Fig. 4) long and slender, with numerous long setae at apical portion; tergite X (Fig. 5) gradually narrowing apically, with several long setae situated at apical and lateral margins. Aedeagus (Figs 6–9): median lobe slightly constricted near middle, with wide apex in ventral view; paramere (Figs 8, 9) gradually narrowed apicad, distinctly shorter than median lobe, with bunch of three or four apical setae and numerous closely set sensory peg setae, forming a continuous transverse group.</p> <p>Female. Tergite X (Fig. 10) with several long setae situated at apical and lateral margins.</p> <p> <b>Distribution.</b> The species is known from Guangxi, southern China.</p> <p> <b>Remarks.</b> The new species is very similar to <i>A. shibatai</i> Smetana, 1995, but can be separated by the slightly truncate apex of median lobe of aedeagus in ventral view (in <i>A. shibatai</i>, with round apex), and by the sensory peg setae of paramere forming a continuous transverse group (in <i>A. shibatai</i>, forming two separate groups).</p> <p> <b>Etymology.</b> The species is named in honor of Wen-Xuan Zhang, who collected some of the type specimens.</p>Published as part of <i>Lin, Xiao-Bin & Hu, Jia-Yao, 2021, New species and records of Anchocerus Fauvel in China (Coleoptera: Staphylinidae: Staphylininae), pp. 290-294 in Zootaxa 5032 (2)</i> on pages 291-293, DOI: 10.11646/zootaxa.5032.2.10, <a href="http://zenodo.org/record/5486991">http://zenodo.org/record/5486991</a>
Anchocerus giganteus Hu, Li & Zhao 2010
No full textAnchocerus giganteus Hu, Li & Zhao, 2010 (Fig. 11) Additional material examined. CHINA: Shanghai City: 1 male, Shanghai Zoo, 9.IX.2017, Xiao-Bin Song leg. (SNUC); Zhejiang Prov.: 1 male, Longquan City, Fengyang Shan N. R., Mihougu, 27°55’00’’N, 119°11’52’’E, mixed leaf litter, sifted, 1116 m, 03.v.2016, Jiang, Liu & Zhou leg. (SNUC); Jiangxi Prov.: 1 male, Ji’an City, Jinggang Shan, Huangyangjie, 26°37’25’’N, 114°06’58’’E, Cunninghamia lanceolata leaf litter, sifted, 1240 m, 28.vii.2014, Chen, Hu, Lv & Yu leg. (SNUC); 1 female, Ji’an City, Jinggang Shan, Bijia Shan, 26°30’19’’N, 114°09’25’’E, mixed leaf litter, sifted, 1330 m, 25.vii.2014, Chen, Hu, Lv & Yu leg. (SNUC); 1 female, Yichun City, Fengxin County, Jiuling Shan, 28°41’57’’N, 114°44’33’’E, pine leaf litter, sifted, 1250 m, 19.vii.2013, Hu & Lv leg. (SNUC); Guangxi Prov.: 1 male, Jinxiu County, Dayao Mt., 16 km, 24°08’25’’N, 110°15’38’’E, beech forest, mixed leaf litter, sifted, 960 m, 13.vii.2014, Peng, Song, Yu & Yan, leg. (SNUC); Guangdong Prov.: 1 male, Shaoguan City, Ruyuan, Nanling N. R., Shikengkong, 24°55’33’’N, 112°59’29’’E, bamboo forest, leaf litter, sifted, 1820 m, 30.iv.2015, Peng, Tu & Zhou leg. (SNUC); 1 female, Shaoguan City, Ruyuan, Nanling N. R., Qingshui Valley, 24°54’57’’N, 113°01’55’’E, mixed leaf litter, sifted, 900 m, 04.v.2015, Peng, Tu & Zhou leg. (SNUC); 2 males, Shaoguan City, Ruyuan, Nanling, nr, Ruyang, 24°55’42.9’’N, 113°0’59.05’’E, 680–780 m, 04.v.2021, Hu, Lin, Zhou & Li leg. (SNUC). Comparative notes. Anchocerus giganteus is similar to A. pengzhongi Hu & Li, 2012 in general appearance, but can be separated by coarser punctation of the head, by the shorter temples (twice as long as eyes) and by the paramere of the aedeagus with two short branches. Distribution. The species is widely distributed in southeast China, in the following city or provinces: Shanghai, Zhejiang, Fujian, Jiangxi, Guangxi and Guangdong.Published as part of Lin, Xiao-Bin & Hu, Jia-Yao, 2021, New species and records of Anchocerus Fauvel in China (Coleoptera: Staphylinidae: Staphylininae), pp. 290-294 in Zootaxa 5032 (2) on page 291, DOI: 10.11646/zootaxa.5032.2.10, http://zenodo.org/record/548699
Nazeris excertus Lin, Yu & Hu 2022, sp. n.
No full text<i>Nazeris excertus</i> Lin, Yu & Hu, sp. n. <p>Figs 6, 33–39</p> <p> <b>Type material.</b> <b>Holotype: CHINA:</b> male:" China: Guizhou, Leishan County, summit of Leigong Mt., 26°23'13.78''N, 108°12'11.87''E, 1700–2150 m, 1.v.2021, Tang, Peng, Cai & Song leg." (SNUC). <b>Paratypes</b>: 3 males, 2 females, same data as holotype. (SNUC).</p> <p> <b>Description.</b> Body length 4.3–5.3 mm; forebody length 2.4–2.6 mm.</p> <p>Body (Fig. 6) reddish brown; antennae and legs yellowish brown.</p> <p>Head (Fig. 33) 1.00–1.03 times as long as wide; punctation moderately dense and coarse, distinctly umbilicate and partly confluent, interstices with fine microsculpture (Fig. 34); postocular portion approximately 1.9–2.1 times as long as eye length.</p> <p>Pronotum (Fig. 33) 1.08–1.10 times as long as wide, 0.93–1.03 times as long and 0.88–0.96 times as broad as head; punctation non-umbilicate, moderately dense, less coarse than that of head; midline posteriorly with very short and narrow impunctate elevation; interstices lacking microsculpture.</p> <p>Elytra (Fig. 33) 0.64–0.68 times as long as wide, 0.53–0.58 times as long and 0.92–0.95 times as broad as pronotum; punctation as dense as, and slightly coarser 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–VIII; with fine microsculpture on all tergites (Fig. 35).</p> <p>Male. Sternite VII (Fig. 36) with posterior margin nearly truncate at middle. Sternite VIII (Fig. 37) with triangular posterior excision. Aedeagus (Figs 38, 39) well sclerotized; ventral process short, dorsal parts slightly widened near apex in ventral view, curved ventrad in lateral view; dorso-lateral apophyses slender, slightly curved and widened in apical third in ventral view, extending much beyond apex of ventral process.</p> <p> <b>Distribution and habitat data.</b> The species is known from Leigong Mt. in eastern Guizhou. The specimens were collected by sifting leaf litter at altitudes of 1,700 –2,150 m.</p> <p> <b>Comparative notes.</b> The new species is distinguished from all the known species of <i>Nazeris</i> from Guizhou and adjacent area by the microsculpture present on head and abdomen, and by the distinctive shape of the aedeagus, particularly the short ventral process and the long dorso-lateral apophyses (Fig. 39).</p> <p> <b>Etymology.</b> The specific epithet (Latin, adjective: outstretched) alludes to the dorso-lateral apophyses extending strongly beyond apex of ventral process of the aedeagus.</p>Published as part of <i>Lin, Xiao-Bin, Yu, De-Hui & Hu, Jia-Yao, 2022, The Nazeris fauna of the Leigong Mountain, Guizhou, China (Coleoptera, Staphylinidae, Paederinae), pp. 41-53 in Zootaxa 5138 (1)</i> on pages 49-50, DOI: 10.11646/zootaxa.5138.1.4, <a href="http://zenodo.org/record/6552139">http://zenodo.org/record/6552139</a>
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