Belisana lincang Zhang, Li & Yao, 2024

Zhang, Ludan, Wu, Zheng, Li, Shuqiang & Yao, Zhiyuan, 2024, Eight new spider species of Belisana Thorell, 1898 (Araneae, Pholcidae), with an updated overview of Belisana species from Yunnan, China, ZooKeys 1202, pp. 255-286 : 255-286

publication ID	https://doi.org/ 10.3897/zookeys.1202.121633
publication LSID	lsid:zoobank.org:pub:F2DE6CAC-842E-4275-B3C1-C84D7CEDF5B7
DOI	https://doi.org/10.5281/zenodo.11356046
persistent identifier	https://treatment.plazi.org/id/D72D17B6-CC22-5D3C-BB6C-874820714C8B
treatment provided by	ZooKeys by Pensoft
scientific name	Belisana lincang Zhang, Li & Yao
status	sp. nov.

Treatment

Belisana lincang Zhang, Li & Yao sp. nov.

Figs 6 View Figure 6 , 7 View Figure 7 , 18 E, F View Figure 18 , 20 E, F View Figure 20

Type material.

Holotype ♂ ( IZCAS - Ar 44962 ) and paratype 1 ♀ ( IZCAS - Ar 44963 ), Bianfu Cave (24 ° 19.862 ' N, 100 ° 14.001 ' E, 1619 m), Yankou Village , Laoxu Town , Yun County, Lincang, Yunnan, China, 05 / 08 / 2010, C Wang, Q Zhao & L Lin leg. GoogleMaps

Etymology.

The specific name refers to the type locality, which is a noun in apposition.

Diagnosis.

The new species resembles B. phungae Yao, Pham & Li, 2015 ( Yao et al. 2015: 9, figs 19 A – D, 20 A – G, 21 A – E) by having similar male chelicerae, bulbal apophyses, and epigyne (Figs 7 A, C, D View Figure 7 , 20 E View Figure 20 ), but can be distinguished by differences in males: procursus with dorso-distal membranous lamella (arrow 3 in Figs 6 C View Figure 6 , 18 E View Figure 18 vs absent), distally pointed ventro-subdistal membranous lamella (arrow 4 in Figs 6 C View Figure 6 , 18 E View Figure 18 vs nearly half-round) and without dorso-subdistal sclerite (Figs 6 C View Figure 6 , 18 E View Figure 18 vs present); differences in females: epigynal pockets closer to each other (Figs 7 A, B View Figure 7 , 20 E, F View Figure 20 vs widely separated), pore plates curved and narrow (Figs 7 B View Figure 7 , 20 F View Figure 20 vs nearly round).

Description.

Male (holotype): Total length 1.78 (1.90 with clypeus), carapace 0.85 long, 0.88 wide, opisthosoma 0.93 long, 0.85 wide. Leg I missing, leg II: 6.69 (1.78, 0.31, 1.62, 2.18, 0.80), leg III: 5.18 (1.42, 0.26, 1.19, 1.68, 0.63), leg IV: 6.70 (1.90, 0.28, 1.70, 2.13, 0.69). Eye inter-distances and diameters: PME – PME 0.08, PME 0.09, PME – ALE 0.03, AME absent. Sternum width / length: 0.61 / 0.56. Habitus as in Fig. 7 E, F View Figure 7 . Carapace yellowish, with brown median band; sternum yellowish. Legs whitish, without darker rings. Opisthosoma yellowish, without spots. Thoracic furrow absent. Clypeus unmodified. Chelicerae (Fig. 7 D View Figure 7 ) with a pair of proximo-lateral apophyses and a pair of curved distal apophyses (distance between tips: 0.15). Palp as in Fig. 6 A, B View Figure 6 ; trochanter with ventral apophysis (2 × longer than wide, arrow 1 in Fig. 6 B View Figure 6 ); femur with tiny retrolatero-proximal protrusion (arrow 2 in Fig. 6 B View Figure 6 ); procursus simple proximally but complex distally, with prolatero-distal membranous process (arrow 1 in Figs 6 C View Figure 6 , 18 E View Figure 18 ) bearing narrow lateral sclerite, sclerotized prolatero-distal apophysis (arrow 2 in Figs 6 C View Figure 6 , 18 E View Figure 18 ), dorso-distal membranous lamella (arrow 3 in Figs 6 C View Figure 6 , 18 E View Figure 18 ), and ventro-subdistal membranous lamella (arrow 4 in Figs 6 C View Figure 6 , 18 E View Figure 18 ); bulb (Fig. 7 C View Figure 7 ) with distally angular apophysis and simple embolus.

Female (paratype, IZCAS - Ar 44963 ): Similar to male, habitus as in Fig. 7 G, H View Figure 7 . Total length 2.48 (2.62 with clypeus), carapace 0.86 long, 0.86 wide, opisthosoma 1.62 long, 1.31 wide. Leg I: 9.08 (2.33, 0.33, 2.30, 2.97, 1.15); tibia I L / d: 26. Eye inter-distances and diameters: PME – PME 0.09, PME 0.08, PME – ALE 0.02, AME absent. Sternum approximately as wide as long (0.60). Epigyne (Figs 7 A View Figure 7 , 20 E View Figure 20 ) simple and flat, with dark internal shade and a pair of postero-median pockets 0.05 apart. Vulva (Figs 7 B View Figure 7 , 20 F View Figure 20 ) with sac-like structure (arrow in Figs 7 B View Figure 7 , 20 F View Figure 20 ), sclerotized anterior arch, and a pair of curved, long elliptic pore plates (5 × longer than wide). Retrolateral trichobothria on tibia I at 9 % proximally; legs with short vertical setae on metatarsi; tarsus I with 20 distinct pseudosegments.