Eriovixia ganae, Mi & Li, 2021

Mi, Xiaoqi & Li, Shuqiang, 2021, On nine species of the spider genus Eriovixia (Araneae, Araneidae) from Xishuangbanna, China, ZooKeys 1034, pp. 199-236 : 199

publication ID	https://dx.doi.org/10.3897/zookeys.1034.60411
publication LSID	lsid:zoobank.org:pub:F4F8740B-D215-407C-8357-5FB9B62454F5
persistent identifier	https://treatment.plazi.org/id/F7E6F4F5-73DB-45CA-9BB4-D38FB468C066
taxon LSID	lsid:zoobank.org:act:F7E6F4F5-73DB-45CA-9BB4-D38FB468C066
treatment provided by	ZooKeys by Pensoft
scientific name	Eriovixia ganae
status	sp. nov.

Treatment

Eriovixia ganae sp. nov. Figs 1 View Figure 1 , 2 View Figure 2 , 17A View Figure 17 , 19A View Figure 19 , 20A View Figure 20

Type material.

Holotype ♂ (IZCAS-Ar41648), China: Yunnan, Xishuangbanna, Mengla County, Menglun Township, Menglun Nature Reserve, Magnolia baillonii plantation (about 20 yr) (21°53.82'N, 101°17.07'E, 613 m alt.), 18.VIII.2007 p.m., G. Zheng leg. Paratypes: 1♂1♀ (IZCAS-Ar41649-40650), rubber plantation (about 20 yr) (21°54.50'N, 101°16.33'E, 586 m alt.), 17.VII.2007, G. Zheng leg.; 1♂ (IZCAS-Ar41651), Magnolia baillonii plantation (about 20 yr.) (21°54.77'N, 101°16.04'E, 556 m alt.), 18.VII.2007. G. Zheng leg.; 1♀ (IZCAS-Ar41652), Yulinjiegou Scenic Spot (21°55.20'N, 101°16.20'E, 553 m alt.), 2.VIII.2018 night, C. Wang et al. leg.; 1♀ (IZCAS-Ar41653), Baihuayuan Scenic Spot (21°55.60'N, 101°14.87'E, 541 m alt.), 4.VIII.2018 night, C. Wang et al. leg.; 1♂ (IZCAS-Ar41654), palm plantation (21°55.47'N, 101°15.05'E, 554 m alt.), 13.VIII.2018, C. Wang et al. leg.; 1♀ (IZCAS-Ar41655), Baizhuyuan Scenic Spot (21°55.83'N, 101°14.93'E, 542 m alt.), 30.IV.2019, C. Wang leg. Other material examined: 4♀(IZCAS-Ar41656), Qihuayihui Scenic Spot (21°55.61'N, 101°14.94'E, 603 m alt.), 2.V.2019 night, C. Wang leg.; 2♂1♀ (IZCAS-Ar41657), same locality (21°55.61'N, 101°14.94'E, 603 m alt.), 13.V.2019, C. Wang leg.; 1♀ (IZCAS-Ar41658), #2 site in Mafengzhai Village (21°53.59'N, 101°17.30'E, 546 m alt.), 4.V.2019, Y. Tong et al. leg.; 1♀ (IZCAS-Ar41659), riverside near Baizhuyuan Scenic Spot (21°55.83'N, 101°14.93'E, 542 m alt.), 9.V.2019, C. Wang leg.

Etymology.

The specific name is a patronym of Mrs. Jiahui Gan (Tongren University), one of the collectors of the type specimens; noun (name) in genitive case.

Diagnosis.

The new species resembles E. nigrimaculata in habitus, but can be distinguished from the latter by the: 1) female carapace with 2 tubercles vs. lacking tubercles ( Han and Zhu 2010: fig. 3C); 2) embolus wide and bent distally in prolateral view vs. thin and not bent ( Han and Zhu 2010: fig. 11D); 3) median apophysis with 2 dorsal spurs vs. 3 spurs ( Han and Zhu 2010: figs 11D and E); 4) scape nearly square vs. long and triangular ( Han and Zhu 2010: figs 11A-C); and 5) median plate keeled vs. not keeled ( Han and Zhu 2010: fig. 11C).

Description.

Male (holotype, Figs 1A-D View Figure 1 , 17A View Figure 17 , 19A View Figure 19 , 20A View Figure 20 ). Total length 3.10. Carapace 1.60 long, 1.20 wide. Abdomen 1.60 long, 1.60 wide. Clypeus 0.25 high. Eye sizes and interdistances: AME 0.08, ALE 0.05, PME 0.08, PLE 0.05, AME-AME 0.13, AME-ALE 0.25, PME-PME 0.23, PME-PLE 0.38, MOA length 0.28 with anterior width 0.28 and posterior width 0.35. Leg measurements: I 5.15 (1.55, 1.85, 1.20, 0.55), II 3.95 (1.35, 1.30, 0.85, 0.45), III 2.50 (0.90, 0.85, 0.45, 0.30), IV 3.40 (1.10, 1.15, 0.75, 0.40). Carapace dark brown, cervical groove inconspicuous, cephalic protuberance shorter than AME diameter. Chelicerae yellow with 4 promarginal teeth and 2 retromarginal teeth. Sternum yellow, with irregular dark patches and a large white spot posteriorly, bearing sparse darker setae. Legs yellowish-brown with inconspicuous rings. Abdomen as long as wide, dorsum greyish-yellow with a rhombic dark patch, terminus with two pairs of very short tubercles; ventre greyish-yellow, with a pair of white spots and brown patches. Spinnerets yellowish-brown.

Palp (Figs 1A, B View Figure 1 and 17A View Figure 17 ): median apophysis prominent, about 3/5 width of the bulb diameter in apical view, with 2 spurs basally and concave distally; embolus long, flattened and bent distally, curled; terminal apophysis triangular in apical view, about 1.35 times longer than wide, tapered distally.

Female (paratype IZCAS-Ar40650, Figs 1E-G View Figure 1 , 2 View Figure 2 ). Total length 3.40. Carapace 1.50 long, 1.30 wide. Abdomen 2.10 long, 2.20 wide. Clypeus 0.15 high. Eye sizes and interdistances: AME 0.08, ALE 0.05, PME 0.08, PLE 0.05, AME-AME 0.15, AME-ALE 0.20, PME-PME 0.28, PME-PLE 0.30, MOA length 0.25 with anterior width 0.28 and posterior width 0.35. Leg measurements: I 5.45 (1.85, 1.95, 1.15, 0.50), II 4.20 (1.45, 1.50, 0.80, 0.45), III 2.55 (0.80, 0.90, 0.45, 0.40), IV 3.95 (1.35, 1.35, 0.80, 0.45). Habitus similar to that of male, but carapace with 2 short tubercles.

Epigyne (Fig. 2 View Figure 2 ) square shaped, about 1.2 times longer than wide; median plate keeled; copulatory openings round; copulatory ducts twisted and very short, about as long as 2 diameters of spermathecae; spermathecae globular, separated from each other.

Variation.

Total length: ♂♂ 2.50-3.10; ♀♀ 3.20-4.00.

Distribution.

China (Yunnan).