Coelostoma (Lachnocoelostoma) wui Orchymont, 1940

Figures 14A-I, 16I, L

Material examined.

China: Hunan: 4 spec. (SYSU), Taoyuan County, Wuyunjie, Zhushan Village, 100 m, 15.vi.2019, Hao Xu leg. ; Henan: 2 spec. (SYSU), Neixiang County, Getiaopa Village (葛条爬村), 630 m, 22.vi.2021, Hao-yi Liu leg. ; Shaanxi: 1 spec. (SYSU), Xi’an County, Dayu, 12.v.2011, Feng-long Jia leg. ; Shandong: 3 spec. (HBUM): Feixian, Tashan Forest Farm, 16.-17.v.2007, Feng-yan Wang, Ji-liang Wang & Qi-qi Wu leg. ; 2 spec. (HBUM): Pingyi, Dawa Forest Farm, 13-15.v.2007, Feng-yan Wang, Ji-liang Wang & Qiqi Wu leg. ; Shanxi (山西): 8 spec. (SYSU), Jincheng, Yangcheng (阳城) County, Manghe (蟒河) National Nature Reserve, 700 m, 27.iv.2016, Zu-qi Mai leg. ; Zhejiang: 3 spec. (SYSU), Quanzhou City, Jiangshan County, Shuangxikou Town, Laofoyan Village (老佛岩村), 27°55'02.72"N, 119°11'34.47"E, 496 m, high-voltage mercury light trap, 11.viii.2018, Chen & Miao leg. ; 7 spec. (SYSU), Lin’an City, Yinlongwu Town, Shibalongtan, 30°08'24.88"N, 118°52'23.56"E, 683 m, 28.iv.2018, Shifting, Cheng & Shen leg. ; 2 spec. (SYSU), Jinhua City, Pan’an County, Lingjiangyuan (灵江源), 28°57'39.33"N, 120°38'59.72"E, 750 m, mixed leaf litter, Shifted, 21.V.2018, Puthz, Tang, Cheng & Shuai leg.

Additional material examined

(possibly another undescribed species). China: Guangdong: 5 spec. (SYSU), Shaoguan City, Chebalin (车八岭) Nature Reserve, 23°14'46"N, 113°33'56"E, 496 m, 28-29.v.2017, Feng-Long Jia, Shi-Shuai Wang & Zu-Long Liang leg. ; 24 spec. (SYSU), Shaoguan City, Chebalin (车八岭) Nature Reserve, 24°43'24"N, 114°15'23"E, 400 m, 24.viii.2020, Zu-Long Liang leg. ; Jiangxi: 91 spec. (SYSU), Longnan, Jiulianshan, 06-vii.2008, Fenglong Jia leg. ; Fujian: 2 spec. (SYSU), Wuyishan, Sangang, 16-28.v.2004, Cai-Xia Yuan & Jing Li leg. ;

Biology

(Figs 15D, 16I, L). Collected on the ground beside a mountain river in Shanxi, active at night.

Remarks.

The specimens we studied contained two different forms of male genitalia (Fig. 14B-I). It may be inferred that the specimens treated by previous authors as C. wui Orchymont, 1940 possibly contain two species (see Discussion).

Distribution.

China (Hubei, Hunan, Jiangxi, Shaanxi, Shandong, Shanxi, Taiwan, Xinjiang, Zhejiang), Korea. (Hansen 1999; Jia et al. 2014; Liu et al. 2020). First record for Shanxi and Zhejiang.