Parameioneta bishou, 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: 34

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scientific name

Parameioneta bishou

sp. n.

Taxon classification Animalia Araneae Linyphiidae

Parameioneta bishou  sp. n. Figs 77, 78, 79, 80


Holotype ♂: CHINA, Yunnan: Menglun Town: Xishuangbanna Botanical Garden, 5.-12.07.2007, fogging. Paratype 1♂, 21°54.555'N, 101°16.860'E, elevation ca 610 m, 29.11.2009, evergreen forest, fogging. Paratypes 1♀, 21°53.823'N, 101°17.072'E, elevation ca 613 m, 5.-12.03.2007, Paramichelia baillonii  plantation, hand-collecting; 1♀, 21°54.459'N, 101°16.750'E, elevation ca 640 m, 20.XI.2009, G213 Road, secondary forest, fogging.


This name is from the Chinese Pinyin ‘bì shǒu’, meaning 'short/small sword’, which refers to the sword-shaped tibial dorsal apophysis; noun in apposition.


Male of new species is similar to Parameioneta biobata  Tu & Li, 2006, but differs in the following aspects: Parameioneta biobata  has one curved tibial apophysis ( Tu and Li 2006: fig. 7A), while Parameioneta bishou  sp. n. has three (Figs 77 A–B, 78 A–B); paracymbium’s apex in Parameioneta bishou  sp. n. is broad (Fig. 77B), not as slim as in Parameioneta biobata  ( Tu and Li 2006: fig. 7A); lamella characteristica in Parameioneta bishou  sp. n. has two branches, both of which are long and pointed (Fig. 78B), while in Parameioneta biobata  one is pointed, the other is broad at tip ( Tu and Li 2006: fig. 7C). The female is distinguished from other congeners by the conformation of epigyne.


Male (holotype). Total length: 1.52. Carapace 0.75 long, 0.54 wide, reddish brown. Sternum 0.40 long, 0.33 wide. Clypeus 0.10 high. Chelicerae promargin with 4 teeth, retromargin with 4 teeth. Eye sizes and interdistances: AME 0.05, ALE 0.06, PME 0.06, PLE 0.06, AME-AME/AME 0.60, PME-PME/PME 0.67, AME-ALE/ALE 0.33, PME-PLE/PLE 0.67, coxae IV separated by 0.8 time their width. Length of legs: I 2.68 (0.72, 0.19, 0.70, 0.65, 0.42), II 2.39 (0.65, 0.18, 0.61, 0.55, 0.40), III 1.85 (0.50, 0.15, 0.45, 0.45, 0.30), IV 2.49 (0.69, 0.17, 0.65, 0.60, 0.38). Leg formula: I-IV-II-III. TmI 0.30. Abdomen grey, posterior end slightly darker than the anterior part. Palp: tibia with two retrolateral apophyses and one dorsal apophysis (Figs 77 A–B, 78 A–B); one tibial retrolateral apophysis sheet-like, slightly curved, the other close to patella, cone-shaped, slightly curved at tip; dorsal tibial apophysis sword-shaped; cymbium with a retrobasal excavation (Figs 77B, 80B); paracymbium ‘V’ -shaped, with a pointed process at the turning point, tip broad (Fig. 77B); pit hook short, hooked at tip (Fig. 77D); radix with one small pointed apophysis dorsally (Fig. 77A); anterior terminal apophysis short, flag-like (Fig. 77C); posterior terminal apophysis long, sword-like (Fig. 78C); lamella characteristica with two branches, both long, with pointed apex (Fig. 78B); median membrane with a broad end (Fig. 77C).

Female (one of paratypes). Total length: 1. 38. Carapace 0.58 long, 0.42 wide, brown. Sternum 0.35 long, 0.31 wide. Clypeus 0.06 high. Chelicerae promargin with 3 teeth, retromargin with 4 teeth. Eye sizes and interdistances: AME 0.04, ALE 0.06, PME 0.06, PLE 0.05, AME-AME/AME 1.00, PME-PME/PME 0.50, AME-ALE/ALE 0.33, PME-PLE/PLE 0.40, coxae IV separated by 0.92 their diameters. Length of legs: I 2.40 (0.63, 0.19, 0.63, 0.55, 0.40), II / (0.56, 0.17, /, /, /), III 1.66 (0.45, 0.15, 0.40, 0.40, 0.26), IV 2.24 (0.63, 0.16, 0.60, 0.51, 0.34). Leg formula: I-IV-III. Tm I 0.31, Abdomen light greenish grey, with pale patches. Epigyne: ventral fig oval, wider anteriorly, concave (Fig. 79A); scape ‘S’ -shaped, folded, basally broad, with tapering tip (Fig. 79 B–D); spermathecae long, narrow, ‘C’ -shaped in lateral view (Fig. 79D).


Known only from type localities.