Necrophilus sichuanensis Nikolaev 2003
Creators: name: Růžička, Jan
name: Pütz, Andreas
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Agyrtidae
Necrophilus
Necrophilus sichuanensis

description: <i>Necrophilus sichuanensis</i> Nikolaev, 2003 (Figs. 1, 25, 26) <i>Necrophilus sichuanensis</i> Nikolaev, 2003: 149. <i>Necrophilus chinensis</i> Zhou, 2005 in (ZHOU et al., 2005: 63), <b>syn. nov.</b> <b>Type material examined.</b> <i>Necrophilus sichuanensis</i>: HOLOTYPE J, PARATYPE &amp;female;: ‘ 12.08.2002 S Sichuan / N of Eryizuxian, NW / of Mianning, 4000 m / I. Belousov I. Kabak [leg., collector’s names in Cyrillic, p, red label] // Holotypus [or Paratypus] / <i>Necrophilus</i> / <i>sichunensis</i> / Nikolajev 2003 [p, red label] // ZOOLOGICAL / INSTITUTE RAS / ST.PETERSBURG [p, light brown label]’ (ZMAS). <i>Necrophilus chinensis</i>: PARATYPES: 1 J 5 &amp;female;&amp;female;, ‘[text in Chinese characters, p] // PARATYPE / Necrophilus / chinensis / Det. Zhou, H-Z 2002 [p, red label with black frame] // Necrophilus / chinensis Zhou / [chinese characters] Zhou HZ [hw] // CHINA: Sichuan, N Jiulong county, / 3825m, streamside Salix scrub. / 11-14. vii. 2001 Pitfall trap J21 / Leg. Yu Xiaodong + Zhou Hongzhang [p] // Received iii.2005 from Zhou / direct pinned and without / paratype designation (see / Coleopt. Bulletrin [sic!] 59(10:62-69). / remounted + labelled by J. Cooter [p]’ (4 &amp;female;&amp;female; JCHC, 1 J 1 &amp;female; JRPC). <b>Additional material examined.</b> <b>CHINA: SICHUAN</b> PROVINCE <b>:</b> Kanding county and Jiulong county border, Mugang Ling mts, the central part, 29°13–24′ N 101°39–45′ E, 4100–4800 m, 23.-30.vi.2001, L. &amp; R. Businský leg., 1 &amp;female; (JSPC); same data, 1 &amp;female; (JRPC); Jiulong-Zhou Shan mts, pass N of Jiulong [ca. 29°16′ N 101°31′ E], 4400–4500 m, 13.–21.vi.2004, R. Fabbri leg., 1 J (JSPC); same locality, 3900 m, 3.-5.vii.2007, Heinz leg., 1 &amp;female; (JRPC); NNE Eryizuxiang, SW slope, 28°47.7′ N 101°58.6′ E, 3818 m, v.2004, M. Häckel &amp; R. Sehnal leg., 3 JJ 1 &amp;female; (JSPC); Sanya (= Eryizuxian), 28°47.7′ N 101°58.6′ E, 3800 m, 10.vi.2005, R. Sehnal &amp; M. Trýzna leg., 2 JJ (JSPC); Jinping Shan mts, W Mofanggou, 28°13′ N 101°43′ E, ca. 3600 m, 28.v.–4.vi.2005, R. Sehnal &amp; M. Trýzna leg., pitfall traps, mixed mountain forest, 6 JJ 6 &amp;female;&amp;female; (JRPC); same data, 23 JJ 20 &amp;female;&amp;female; (JSPC); same data, 32 spec. (MTDC); W Zhier (= Zi’er), 28°20.886′ N 101°28.361′ E, 4241 m, 5.vi.2006, R. Sehnal &amp; M. Trýzna leg., pitfall traps, small fragment of mixed mountain forest with dominant <i>Abies</i> in small valley, 18 JJ 3 &amp;female;&amp;female; (JRPC); same data, 76 spec. (MTDC); same data, 15 JJ 9 &amp;female;&amp;female; (JCHC); same data, 7 JJ 5 &amp;female;&amp;female; (JSPC); mts. 10 km NW Dongzi, 28°34′ N 100°46′ E, 4500 m, 21.–24.vi.2006, J. Kaláb leg., alpine meadows, screes, 1 J 1 &amp;female; (JCHC), same data, 1 J 1 &amp;female; (JSPC). <b>Taxonomic note.</b> <i>Necrophilus sichuanensis</i> was described from two localities in the southern Sichuan province (N Eryizuxian, 4000–4300 m; NW Lajajia, 4200–4300 m) (NIKOLAEV 2003). <i>Necrophilus chinensis</i> was described from several places in the Sichuan province, Jiulong county, 29°17′ N 101°28′ E, 3735–4300 m (ZHOU et al. 2005). Both descriptions were written almost simultaneously: the paper of NIKOLAEV (2003) was published on 7 April 2003; the paper of ZHOU et al. (2005) was received by the editor on 15 August 2003 and published on 19 April 2005. Comparison of the holotype and one paratype of <i>N. sichuanensis</i> (from the environs of Eryizuxian) with a series of paratypes of <i>N. chinensis</i> showed no significant differences in external morphology. The only difference noted is a slightly different shape of the aedeagus, which is slightly more slender and elongated in the holotype of <i>N. sichuanensis</i> than in paratypes of <i>N. chinensis</i> and most of the additional specimens examined. In our opinion, this difference falls within an intraspecific variability. Consequently, <i>N. chinensis</i> is considered here as a junior subjective synonym of <i>N. sichuanensis</i>. <b>Complementary description.</b> Populations at different altitudes show continual and overlapping differences in TBL with TBL decreasing with altitude (samples from two populations with large series of specimens: Mofanggou, 3600 m: JJ 11.0– 11.5 mm, &amp;female;&amp;female; 11.5–12.0 mm; W of Zhier, 4241 m: JJ 9.5–10.5 mm, &amp;female;&amp;female; 10.5–11.5 mm). Female: sternum VIII weakly emarginate (or rarely truncate) posteriorly, spiculum ventrale short, stout, truncate anteriorly (Figs. 26). Ventro-medial sclerite of female genitalia unsclerotized medio-anteriorly and rounded, irregularly unsclerotized posteriorly (Fig. 25). <b>Distribution.</b> Endemic species, known only from China: Sichuan province (Fig. 27; NIKOLAEV 2003, ZHOU et al. 2005, this paper).
description: Published as part of <i>Růžička, Jan &amp; Pütz, Andreas, 2009, New species and new records of Agyrtidae (Coleoptera) from China, India, Myanmar, Thailand and Vietnam, pp. 631-650 in Acta Entomologica Musei Nationalis Pragae 49 (2)</i> on pages 636-639, DOI: 10.5281/zenodo.5321906
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