Saldula xanthochila

Saldula xanthochila (Fieber, 1859) (Figs 19, 22) Salda xanthochila Fieber, 1859: 234. Acanthia xanthochila Reuter, 1888: 694. Saldula xanthochila: Stichel (1934: 302); Kiritshenko, 1951: 96; Cobben, 1960: 263; Chen & Zheng, 1987: 395; Péricart, 1990: 189; Chen & Lindskog, 1994: 408; Lindskog, 1995: 134; Vinokurov et al., 2012: 60; Vinokurov & Kment, 2015: 383; Vinokurov et al., 2018: 137. Chinese common name. Wẖãø. Material examined. CHINA: Inner Mongolia: 3 males, 3 females, E’erduosi city, Zhunge’er Banner, Xuejiawan county, 39.8530°N, 111.2434°E, 1097 m, 21 July 2023, Huanyu Chen leg. (NKUM); 2 males, 1 female, Huolinguole city, Huolinguole Wetland Park, 45.5346°N, 119.6770°E, 821 m, 10 July 2021, Zhen Ye leg. (NKUM). Hebei: 1 female, Baoding city, Laiyuan county, Sunjiaquan village, 39.3993°N, 114.9213°E, 656 m, 21 September 2023, Zihe Li leg. (NKUM). Tianjin: 5 females, Yangliuqing, 20 June 1985, Xinhua Wang leg. (NKUM); 2 males, 3 females, Yangliuqing, 22 June 1985, Ping-ping Chen leg. (NKUM); 1 male, 2 females, Liutan, 20 June 1985, Huanguang Zou leg. (NKUM). Gansu: 1 male, 3 females, Wuwei city, Minqin county, Shiyanghe National Wetland Park, 38.2185°N, 102.7602°E, 1440 m, 5 July 2023, Zihe Li leg. (NKUM). Xinjiang: 1 male, 4 females, Tacheng Prefecture, Yumin county, 46.4209°N, 82.9138°E, 426 m, 21 July 2023, Zihe Li leg. (NKUM); 1 male, Bo’ertala Prefecture, Wenquan county, X210 county road, 44.9360°N, 81.1441°E, 1238 m, 19 July 2023, Zihe Li leg. (NKUM). Diagnosis. Dorsum mainly yellowish, with dense, short pubescence (Fig. 19a). Head short and wide, antennomere II yellowish, relatively long; mandibular plates, transverse swelling, maxillary plates and anteclypeus mainly pale-yellowish, gular lobe with pale-yellowish margin, labrum pale-yellowish, labiomeres III+IV mainly black, preocellar spots relatively large, cuneiform, attached to inner margin of compound eyes. Pronotum short and wide, with yellowish lateral margin, in pale individuals with large yellowish spot on lateral side; corium mainly pale, in dark individuals with dark stripes, clavus black, completely yellowish in extremely pale individuals, with a large pale spot on apex (Fig. 19b–d); legs mainly yellowish, foretibia with complete dark stripe on dorsal side, tarsomere III of each leg with infuscated apex. Male paramere relatively stout, dorsal side with dense, long setae, processus sensualis blunt, with a small tuft of short setae (Fig. 19e–g); parandria blunt, slightly converged to apex (Fig. 19h). Female subgenital plate sub-triangular, apical half pale. Comparative notes. See comparative notes under S. arenicola arenicola. Habitats. The specimens collected from Gansu were found on sandy river bank (Fig. 22). Distribution in China. Heilongjiang (Chen & Lindskog 1994, Vinokurov et al. 2018), Jilin (Chen & Lindskog 1994, Vinokurov et al. 2018), Liaoning (Chen & Lindskog 1994, Vinokurov et al. 2018), Inner Mongolia (Wang & Li 2012, Vinokurov et al. 2018), Hebei (new record), Tianjin (Chen & Lindskog 1994, Vinokurov et al. 2018), Shanxi (Chen & Lindskog 1994, Vinokurov et al. 2018), Gansu (new record), Xinjiang (Chen & Lindskog 1994, Vinokurov et al. 2012, Vinokurov et al. 2018). General distribution. Widely distributed across Oriental, Palearctic, Saharo-Arabian and Sino-Japanese regions (Schuh et al. 1987, Larivière & Larochelle 2018).