Orcevia wuliang Yu & Zhang, 2023

Orcevia wuliang Yu & Zhang , sp. nov. (ĿDzĸ尔¤)

Figs 8 View FIGURES 1–12 , 13 View FIGURES 13–17 , 294–314 View FIGURES 294–299 View FIGURES 300–306 View FIGURES 307–310 View FIGURES 311–314

Type material. Holotype: ♂ (MHBU-ARA-00023550), CHINA: Yunnan Province, Dali City, Nanjian County, Mt. Wuliang , Cherry Blossom Valley , 24.7599°N, 100.5182°E, 1898 m elev., 27 July 2021, leg. K. Yu & W. Wang, HBUARA#2021-314 GoogleMaps . Paratype: 1♀ (MHBU-ARA-00023551), same data as holotype (All type materials were raised and matured in October~ November 2021) GoogleMaps .

Etymology. The specific epithet is from the type locality; noun in apposition.

Diagnosis. Males can be distinguished from O. sica ( Wu & Yang, 2008) comb. nov. by the relatively curved and wide RTA ( Fig. 304 View FIGURES 300–306 ); females can be distinguished from O. sica by the copulatory openings that are far away from each other ( Fig. 305 View FIGURES 300–306 ), and the accessory glands that are visible in dorsal view of vulva ( Fig. 306 View FIGURES 300–306 ).

Description. Male ( holotype). Habitus as shown in Fig. 300 View FIGURES 300–306 . Carapace length 2.45; abdomen length 2.23; measurements of eyes: AME 0.40, ALE 0.25, PME 0.06, PLE 0.21; measurements of legs: I 4.34 (1.30, 0.99, 0.95, 0.81, 0.50), II 3.78 (1.16, 0.78, 0.70, 0.67, 0.47), III 3.89 (1.20, 0.63, 0.73, 0.82, 0.51), IV 4.38 (1.33, 0.70, 0.93, 0.89, 0.53); leg formula 4132. Body dark, dorsally covered by irregular karki setae; femora I–III almost all dark, femora IV with melanic area on distal half, other segments dark distally.

Palp ( Figs 302–304 View FIGURES 300–306 ): bulb swollen; embolus rather slender, protruding edge of embolic disc divided into two parts ( Figs 307, 310 View FIGURES 307–310 ); RTA wide basally, gradually narrowed to tip, tip of RTA blunt, slightly curved forwards.

Female. Habitus of paratype as shown in Fig. 301 View FIGURES 300–306 . Carapace length 2.66; abdomen length 2.99; measurements of eyes: AME 0.46, ALE 0.29, PME 0.06, PLE 0.22; measurements of legs: I 4.15 (1.28, 0.95, 0.85, 0.61, 0.46), II 3.86 (1.26, 0.82, 0.74, 0.60, 0.44), III 4.30 (1.39, 0.71, 0.83, 0.84, 0.53), IV 4.87 (1.49, 0.79, 1.09, 0.96, 0.54); leg formula 4132. Body dark, carapace with sparse yellow setal band on posterior half of axis; boundary of melanic areas on legs indistinct .

Epigynum and vulva ( Figs 305–306 View FIGURES 300–306 ): copulatory openings small, far from each other, outer edge extending downwards, forming wide U-shaped groove above genital furrow; copulatory ducts thick, wider than 2/3 of diameter of spermathecae; accessory glands visible in ventral view, slightly curved basally.

Natural history. Specimens were collected from cracks on large rock.

Distribution. China ( Yunnan).