Vittatus pan, Zhao, Qingyuan & Li, Shuqiang, 2014

Zhao, Qingyuan & Li, Shuqiang, 2014, A survey of linyphiid spiders from Xishuangbanna, Yunnan Province, China (Araneae, Linyphiidae), ZooKeys 460, pp. 1-181: 46-48

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scientific name

Vittatus pan

sp. n.

Taxon classification Animalia Araneae Linyphiidae

Vittatus pan  sp. n. Figs 116, 117, 118, 119


Holotype ♂: CHINA, Yunnan: Menglun Town: Xishuangbanna Tropical Botanical Garden, 21°54.772'N, 101°16.043'E, elevation ca 556 m, 18.07.2007, Paramichelia baillonii  plantation, fogging. Paratypes 2♀, 21°55.035'N, 101°16.500'E, elevation ca 558 m, 22.07.2007, primary tropical seasonal forest, fogging; 5♂1♀, 21°57.809'N, 101°12.173'E, elevation ca 888 m, 4.08.2007, secondary tropical montane evergreen broad-leaved forest, fogging.


This name is derived from the Chinese Pinyin ‘pán’ meaning ‘fig’, for the broad, fig-like terminal apophysis in this species; noun in apposition.


It differs from the congener Vittatus bian  sp. n. by light coloration, much shorter dorsal tibial apophysis (Fig. 117A), prominent and broad branch of radical apophysis (Fig. 117B) and short scape (as long as wide).


Male (holotype). Total length: 1.56. Carapace 0.69 long, 0.59 wide, yellow, PME area elevated to form a lobe, post-ocular sulci stretching along base of lobe laterally (Fig. 53E). Sternum 0.44 long, 0.44 wide. Clypeus 0.15 high. Eye sizes and interdistances: AME 0.06, ALE 0.08, PME 0.06, PLE 0.08, AME-AME/AME 0.50, PME-PME/PME 0.50, AME-ALE/ALE 0.50, PME-PLE/PLE 1.13, coxae IV separated by 2.00 times their width. Length of legs: I 2.83 (0.75, 0.19, 0.75, 0.71, 0.43), II 2.88 (0.75, 0.23, 0.75, 0.70, 0.45), III 2.22 (0.61, 0.17, 0.55, 0.55, 0.34), IV 2.67 (0.73, 0.17, 0.67, 0.69, 0.41). Leg formula: II-I-IV-III. TmI 0.54, TmIV 0.51. Abdomen pale, with a small black patch posteriorly (Fig. 117C). Palp: tibia with two retrolateral one dorsal trichobothria, a row of setae retrolaterally (Fig. 116B) and two tibial apophyses, ventral and dorsal; dorsal apophysis short, and scale-like, with a bent tip (Figs 116B, 117A); ventral apophysis short and stout with a rounded tip (Fig. 116A); paracymbium ‘J’ -shaped, with a leaf-shaped apex (Fig. 116B); radical apophysis with two prominent branches, one stretching along the cymbium, broad and slightly bent distally (Fig. 116A), the other smaller with an attenuated tip (Fig. 116B); convector long, sigmoid (Fig. 116B).

Female (one of paratypes). Total length: 1.50. Carapace 0.63 long, 0.55 wide, unmodified, yellow. Sternum 0.41 long, 0.45 wide. Clypeus 0.09 high. Chelicerae promargin with 4 teeth, retromargin with 4 teeth. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.06, PLE 0.07, AME-AME/AME 0.33, PME-PME/PME 0.17, AME-ALE/ALE 0.23, PME-PLE/PLE 0.33, coxae IV separated by 1.92 times their width. Length of legs: I 2.67 (0.72, 0.22, 0.68, 0.65, 0.40), II 2.64 (0.70, 0.20, 0.64, 0.68, 0.42), III 2.26 (0.63, 0.19, 0.55, 0.55, 0.34), IV 2.81 (0.78, 0.22, 0.70, 0.70, 0.41). Leg formula: IV-I-II-III. TmI 0.80, TmIV 0.70. Abdomen light yellow, with dark spinnerets. Epigyne: ventral fig wide, with arc-like posterior margin (Figs 118A, 119C); scapoid short, tongue-shaped, as long as wide; dorsal fig wide; copulatory ducts short (Figs 118C, 119D); spermathecae round, separated by 2.5 diameters (Fig. 118B); fertilization ducts relatively long (Fig. 118B).


Known only from type localities.