Sudesna shangrila, Wang & Peng & Zhang, 2025

Sudesna shangrila sp. nov.

Figs 11 View Figure 11 , 12 View Figure 12 , 15 (香格里拉苏蛛 View Figure 15 )

Type material.

Holotype ♂ ( SWUC -T-DI-18-01 ); Yunnan Province; Shangrila, Tianshengqiao, Geothermal park; 27°47′53″N, 99°48′46″E; elev. 3406 m; 21 August 2009; Z. X. Li and L. Y. Wang leg. GoogleMaps Paratypes: 1 ♂ 7 ♀, ( SWUC -T-DI-18-02 to 09); same data as holotype GoogleMaps .

Etymology.

The specific name is derived from the county where the type locality is located; used as a noun in apposition.

Diagnosis.

See the diagnosis of S. haiboi sp. nov.

Description.

Male holotype (Fig. 12 A View Figure 12 ) total length 2.30. Prosoma 1.04 long, 0.90 wide; opisthosoma 1.38 long, 0.86 wide. Dorsum of prosoma brown, with white high cephalic area. Eye sizes and interdistances: AME 0.05, ALE 0.07, PME 0.05, PLE, 0.07; AME – AME 0.12, AME – ALE 0.08, PME – PME 0.13, PME – PLE 0.13, ALE – PLE 0.03. MOA 0.18 long, anterior width 0.19, posterior width 0.24. Clypeus height 0.11. Chelicerae stout, yellow-brown, with 3 promarginal and 2 retromarginal teeth. Legs yellow brown. Leg measurements: I 2.94 (0.92, 0.99, 0.62, 0.41), II 2.83 (0.87, 0.95, 0.60, 0.41), III 2.25 (0.74, 0.72, 0.48, 0.31), IV 2.49 (0.77, 0.85, 0.58, 0.29). Leg formula: 1243. Opisthosoma oval. Dorsum yellowish brown, with white markings. Venter yellowish brown. Spinnerets short and yellowish brown.

Palp (Figs 11 A, B View Figure 11 , 12 C – E View Figure 12 ). Tibia dorsally with 2 ctenidia, located 1 / 3 from distalmost part of tibia. Retrolateral tibia apophysis hook-shaped. Embolus semicircular, originating near the 9: 30 o’clock position, terminating at about the 4: 00 o’clock position. Anterior arm of conductor (AA) membranous and terminating near the 12: 00 o’clock position; posterior arm (PA) slightly twisted with a pointed, scaly tip.

Female paratype ( SWUC -T-DI-18-02 , Fig. 12 B View Figure 12 ) total length 3.76. Prosoma 1.36 long, 1.13 wide; opisthosoma 2.64 long, 1.97 wide. Dorsum of prosoma yellowish brown, with white high cephalic area. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.06, PLE, 0.07; AME – AME 0.16, AME – ALE 0.12, PME – PME 0.17, PME – PLE 0.16, ALE – PLE 0.04. MOA 0.21 long, anterior width 0.25, posterior width 0.29. Clypeus height 0.12. Legs yellowish brown. Leg measurements: I 3.48 (1.09, 1.16, 0.75, 0.48), II 3.47 (1.05, 1.15, 0.70, 0.47), III 2.90 (0.94, 0.98, 0.64, 0.34), IV 3.51 (1.12, 1.25, 0.80, 0.34). Leg formula: 1243. Opisthosoma oval. Dorsum yellowish brown, with white scaly markings. Venter yellowish brown. Spinnerets short and yellowish brown.

Epigyne (Figs 11 C, D View Figure 11 , 12 F, G View Figure 12 ). Copulatory openings nearly spiral, facing away from each other, separated by about 4 times their width. Copulatory ducts short, slightly sclerotized. Spermatheca cylindrical; spermathecal heads round. Fertilization ducts thin, semicircular, and directed laterally.

Variation.

Male (n = 2) total length 2.06–2.30; female (n = 7) total length 2.65–3.76.

Distribution.

Known only from the type locality, Yunnan, China (Fig. 15 View Figure 15 ).