Orcevia wuliang Yu & Zhang, sp. nov. (ĿDzĸ尔¤)
Figs 8, 13, 294–314
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 . Paratype: 1♀ (MHBU-ARA-00023551), same data as holotype (All type materials were raised and matured in October~ November 2021) .
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); females can be distinguished from O. sica by the copulatory openings that are far away from each other (Fig. 305), and the accessory glands that are visible in dorsal view of vulva (Fig. 306).
Description. Male (holotype). Habitus as shown in Fig. 300. 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): bulb swollen; embolus rather slender, protruding edge of embolic disc divided into two parts (Figs 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. 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): 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).