Gracilentus tenchongensis, Irfan & Zhang & Peng, 2022

Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, Megataxa 8 (1), pp. 1-292 : 110-111

publication ID

https://doi.org/ 10.11646/megataxa.8.1.1

publication LSID

lsid:zoobank.org:pub:E0F8FFFD-A68E-4F2B-990A-386C3FAB2A09

DOI

https://doi.org/10.5281/zenodo.7573985

persistent identifier

https://treatment.plazi.org/id/03AE87CE-BD3F-FFFD-FF2E-3C9FFA6EFE26

treatment provided by

Plazi

scientific name

Gracilentus tenchongensis
status

sp. nov.

Gracilentus tenchongensis sp. nov. (ŔṖdzƦ)

Figures 126–128 View FIGURE 126 View FIGURE 127 View FIGURE 128

Types. Holotype ♀, CHINA, Yunnan, Tengchong County, Tengyue Township, Baofeng Temple , 25.01814°N, 98.41870°E, alt. 1790m, 31 May 2006, Chang-min Yin, Jia-fang Hu, Ming-wei Yang and Shao-xian He leg. ( YHY15 ) GoogleMaps . Paratypes: 2♀, Tengchong County, Qingshui Township , Rehai, 24.94861°N, 98.45181°E, alt. 1470m, 1 June 2006, Peng Hu leg. ( YHY17 ) GoogleMaps .

Etymology. This epithet derives from the type locality.

Diagnosis. See diagnosis of Gracilentus serrata sp. nov..

Description. Female (holotype, Fig. 127A, B View FIGURE 127 ): Total length: 2.79. Carapace 1.07 long, 0.86 wide, brown; cervical and radial grooves distinct. Clypeus 0.19 high. Sternum longer than wide, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long,

distal end broad with scopulae. Chelicerae sclerotized, dark brown, with five promarginal and five retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.06, PME 0.06, PLE 0.07, AME–AME 0.04, PME–PME 0.06, AME–ALE, 0.02, PME–PLE 0.05, AME–PME 0.08, ALE–ALE 0.30, PLE–PLE 0.34, ALE–PLE contiguous. Length of legs: I 4.3 (1.24, 1.41, 1.07, 0.58), II 4.19 (1.17, 1.39, 1.07, 0.56), III 2.96 (0.91, 0.91, 0.75, 0.39), IV 3.73 (1.11, 1.14, 0.99, 0.49). Leg formula I-II-IV-III. Tm I and Tm IV present. Tibial spine formula: 2-2-1-1. Abdomen 1.72 long, 1.19 wide, oval, pale, mid dorsally with a longitudinal pale band, dorso-laterally with a dark grey pattern followed by four transverse chevrons, ventral side pale.

Epigyne ( Fig. 126A–C View FIGURE 126 ): Ventral plate, longer than wide, protruding above the epigastric furrow posteriorly, posterior margin depressed transversely; copulatory openings present at the posterior margin of the ventral plate. Vulva: Dorsal plate D-shaped; copulatory ducts sclerotized, fused, protruding above the spermathecae anteriorly; spermathecae elliptical, pointing towards the posterior lateral wall of ventral plate, separated by a distance of 2/3 their diameter; fertilization ducts small, extending mesally.

Male. Unknown.

Distribution. Known only from the type locality ( Fig. 128 View FIGURE 128 ).

Genus Himalaphantes Tanasevitch, 1992 (ẲĦƦø)

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Linyphiidae

Genus

Gracilentus

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