Belisana tengchong 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.11356052
persistent identifier	https://treatment.plazi.org/id/715AB4B4-D68E-591B-BC30-B7284CB2823C
treatment provided by	ZooKeys by Pensoft
scientific name	Belisana tengchong Zhang, Li & Yao
status	sp. nov.

Treatment

Belisana tengchong Zhang, Li & Yao sp. nov.

Figs 10 View Figure 10 , 11 View Figure 11 , 18 I, J View Figure 18 , 21 A, B View Figure 21

Type material.

Holotype ♂ ( IZCAS - Ar 44969 ) and paratypes 2 ♂ ( IZCAS - Ar 44970–71 ) 3 ♀ ( IZCAS - Ar 44972–74 ), Kongming Cave (25 ° 20.447 ' N, 98 ° 32.297 ' E, 1802 m), Jiangdong Village , Gudong Town , Tengchong County, Baoshan, Yunnan, China, 18 / 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. pianma Huber, 2005 ( Huber 2005: 14, figs 5, 6, 56, 88–92, 112–130) by having similar bulbal apophyses and epigyne (Figs 11 A, C View Figure 11 , 21 A View Figure 21 ), but can be distinguished by differences in males: clypeus unmodified (Fig. 11 E View Figure 11 vs with a pair of front apophyses), cheliceral distal apophyses on median part of chelicerae (Fig. 11 D View Figure 11 vs distal part), procursus without distal spine and dorso-distal sclerite (Figs 10 C View Figure 10 , 18 I View Figure 18 vs present), and with angular distal membranous process (arrow 2 in Figs 10 C View Figure 10 , 18 I View Figure 18 vs absent); differences in females: pore plates wide and curved (2 × longer than wide, Figs 11 B View Figure 11 , 21 B View Figure 21 vs narrow, 6 × longer than wide).

Description.

Male (holotype): Total length 1.95 (2.08 with clypeus), carapace 0.71 long, 0.85 wide, opisthosoma 1.24 long, 0.93 wide. Leg I: 18.34 (4.75, 0.32, 4.90, 6.67, 1.70), leg II: 12.82 (3.56, 0.26, 3.40, 4.55, 1.05), legs III and IV missing; tibia I L / d: 65. Eye inter-distances and diameters: PME – PME 0.14, PME 0.10, PME – ALE 0.03, AME absent. Sternum width / length: 0.56 / 0.50. Habitus as in Fig. 11 E, F View Figure 11 . Carapace and sternum yellowish, without marks. Legs whitish, without darker rings. Opisthosoma yellowish, without spots. Thoracic furrow absent. Clypeus unmodified. Chelicerae (Fig. 11 D View Figure 11 ) with a pair of proximo-lateral apophyses and a pair of curved distal apophyses (distance between tips: 0.28). Palp as in Fig. 10 A, B View Figure 10 ; trochanter with ventral apophysis (as long as wide, arrow 1 in Fig. 10 B View Figure 10 ); femur with tiny retrolatero-proximal protrusion (arrow 2 in Fig. 10 B View Figure 10 ); procursus simple proximally but complex distally, with curved, sclerotized prolatero-distal apophysis (arrow 1 in Figs 10 C View Figure 10 , 18 I View Figure 18 ), angular distal membranous process (arrow 2 in Figs 10 C View Figure 10 , 18 I View Figure 18 ), and narrow, curved retrolatero-subdistal membranous process (arrow in Figs 10 D View Figure 10 , 18 J View Figure 18 ); bulb (Fig. 11 C View Figure 11 ) with hooked apophysis and simple embolus. Retrolateral trichobothria on tibia I on 17 % proximally; legs with short vertical setae on metatarsi; tarsus I with 17 distinct pseudosegments.

Female (paratype, IZCAS - Ar 44972 ): Similar to male, habitus as in Fig. 11 G, H View Figure 11 . Total length 2.14 (2.26 with clypeus), carapace 0.66 long, 0.76 wide, opisthosoma 1.48 long, 1.34 wide; tibia I: 3.36; tibia I L / d: 47. Eye inter-distances and diameters: PME – PME 0.10, PME 0.10, PME – ALE 0.02, AME absent. Sternum width / length: 0.54 / 0.50. Epigyne (Figs 11 A View Figure 11 , 21 A View Figure 21 ) simple and flat, marginally slightly sclerotized, with a pair of lateral pockets 0.30 apart. Vulva (Figs 11 B View Figure 11 , 21 B View Figure 21 ) with curved anterior arch and a pair of wide, curved pore plates (2 × longer than wide) bearing indistinct teeth.