Gastroserica impressicollis (Fairmaire, 1891)
Serica impressicollis Fairmaire, 1891: 196.
Gastroserica impressicollis: Brenske 1897: 412, 416; Ahrens 2000: 97.
Material examined.
8♂♂"Ku-ling, Jiangxi, 7-8.7.1935, O.Piel leg." (IZAS); 2♂♂"Mt. Tianmu Shan, Zhejiang, 10-17.7.1935, O.Piel leg." (IZAS); 1♂ ”Qingyin’ge, Mt. Emei Shan, Sichuan, 800-1000m, 11.6.1957, Lu Youcai leg." (IZAS); 1♂"Qiaoting, Wanxian, Sichuan, 1300m, 27.6.1974, Han Yinheng leg." (IZAS); 4♀♀" Baiyan, Longsheng, Guangxi, 1150m, 21.6.1963, Shi Yongshan leg." (IZAS).
Distribution.
Fig. 6.