Bolyphantes lushuiensis, 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 : 51-54

Bolyphantes lushuiensis sp. nov. (ǎḳdz‼Ʀ)

Figures 44–46

Types. Holotype ♀, CHINA, Yunnan, Nujiang Prefecture, Sanjiang Township , Lushui County, Nu Jiang , 25.72964°N, 98.87180°E, alt. 790m, 26 June 2000, D. H. Kavanaugh, Charles Griswold and Heng-mei Yan leg. (00–Lan) . Paratypes: 3♀, same data as holotype (00– Lan) .

Etymology. This epithet derives from the type locality.

Diagnosis. The new species can be distinguished from any other Bolyphantes species by having the pseudoscape outline rectangular with narrower posterior end in epigyne ( Fig. 44A–C ).

Description. Female (holotype, Fig. 45A, B ): Total length: 2.34. Carapace 0.98 long, 0.75 wide; cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.23 high. Sternum longer than wide, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with five promarginal and three retromarginal teeth. Eye region narrow, AER recurved, PER straight and slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.08, PME 0.08, PLE 0.07, AME–AME 0.02, PME–PME 0.04, AME–ALE, 0.05, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.32, PLE–PLE 0.35 ALE–PLE contiguous. Length of legs: I 4.68 (1.26, 1.45, 1.17, 0.80), II 3.75 (1.07, 1.12, 0.93, 0.63), III 3.5 (0.93, 1.01, 0.81, 0.53), IV 4.35 (1.24, 1.35, 1.07, 0.69). Leg formula I-IV-II-III. Tm I 0.59 and Tm IV 0.48. Tibial spine formula: 2-2-2-2. Abdomen 1.36 long, 0.91 wide, oval, dorsally with distinct brown patterns from the anterior margin to the base of spinnerets; ventral side brown.

Epigyne ( Fig. 44A–D ): Protruding, pseudoscape outline rectangular with well developed stretcher; stretcher tongue-shaped; entrance groove inside lateral pockets; posterior median plate broad, rectangular in outline, slightly covering the stretcher; spermathecae small and curved.

Male. Unknown.

Distribution. Known only from the type locality ( Fig. 46 ).

Genus Capsulia Saaristo, Tu & Li, 2006 (ṘƦø)

Capsulia tianmushana ( Chen & Song, 1987) (ƛƱƜ ṘƦ)

Figures 47–50

Centromerus tianmushanus Chen &Song,1987:136 ,figs 1–5 (Dmf). Capsulia tianmushana Saaristo, Tu & Li, 2006: 393 , figs 18– 26 (Tmf from Centromerus ); Yin et al. 2012: 483, fig. 221a–f (mf). For full list of publications and synonyms concerning this species see World Spider Catalog (2022).

Material examined. 1♀ 1♂, CHINA, Yunnan, Forest along shelf above Yamu river , 0.4 km SE Shibali, 27.16337°N, 98.78208°E, alt. 2475m, 8 May 2004, Charles Griswold and D. H. Kavanaugh and Heng-mei Yan leg ..

Distribution. China.

Genus Caviphantes Oi, 1960 (gƮƦø)

Figures

FIGURE 44. Bolyphantes lushuiensis sp. nov., female holotype. A, C Epigyne, ventral view B Epigyne, lateral view D Vulva, dorsal view.

FIGURE 45. Bolyphantes lushuiensis sp. nov., female holotype. A Habitus, dorsal view B Habitus, ventral view.

FIGURE 46. Distribution of Bolyphantes species.

FIGURE 47. Capsulia tianmushana (Chen & Song, 1987), palp. A prolateral view B retrolateral view C ventral view D dorsal view.

FIGURE 48. Capsulia tianmushana (Chen & Song, 1987). A, C Epigyne, ventral view B Epigyne, lateral view D Vulva, dorsal view.

FIGURE 49. Capsulia tianmushana (Chen & Song, 1987), male (A–C) and female (D–F). A, D Habitus, dorsal view B, E Habitus, lateral view C, F Habitus, ventral view.

FIGURE 50. Distribution of Capsulia tianmushana (Chen & Song, 1987).