Orybina imperatrix Caradja, 1925

(Figs 8, 19, 26)

Orybina imperatrix Caradja, 1925: 327; Lu & Guan, 1953: 114; Wang et al., 2003: 162. Type locality: China (Guangdong).

Material examined. Anhui: 4 ♂, 2 ♀, Huangshan city (30.07°N, 118.18°E), 3-VIII-2004, leg. Jiasheng Xu, Jialiang Zhang, genitalia slide No. SYL11115 ; 6 ♂, 1 ♀, Tanjiaqiao County (30.16°N, 118.28°E), Huangshan, 6–9- VIII-2004, leg. Jiasheng Xu, Jialiang Zhang, genitalia slide No. SYL11114; Fujian: 2 ♂, Pikeng (27.72°N, 117.77°E), Mt. Wuyi, 600 m, 27-V-2004, leg. Haili Yu, genitalia slide No. WSS03211, 03205 ; Guangxi: 1 ♂, Yongfu (24.82°N, 110.01°E), Guilin, VI-2006, leg. Zhongfang Zhao, genitalia slide No. SYL11140; 1 ♀, Qinmucun (24.82°N, 110.01°E), Yongfu, 160 m, 6-V-2008, leg. Li Zhang, Hui Zhen, genitalia slide No. QMJ15110; 1 ♂, Hekou, 650 m, 28-IV-2008, Li Zhang, Hui Zhen, genitalia slide No. SYL11134; 1 ♂, Yinshan Park (24.15°N, 110.21°E), Mt. Dayao, Jinxiu, 1364 m, 19-VII-2015, leg. Mujie Qi, Shengnan Zhao, genitalia slide No. 15058; 1 ♂, Yinshan Park (24.15°N, 110.21°E), Mt. Dayao, Jinxiu, 1364 m, 21-VII-2015, leg. Mujie Qi, Shengnan Zhao, genitalia slide No. 15055 ; Hunan: 1 ♂, 1 ♀, Cangxi (27.58°N, 111.19°E), Xinhua County, 8-VIII- 2004, leg. Yunli Xiao, genitalia slide No. QMJ15104; 1 ♂, Lianhecun (28.50°N, 112.13°E), Chengguanzhen, Taojiangxian, 27-VII-2004, leg. Yunli Xiao, genitalia slide No. QMJ15090; Zhejiang: 2 ♂, Wuyanling (27.71°N, 119.68°E), Taishun, 400 m, 1-VIII-2005, leg. Yunli Xiao, genitalia slide No. SYL11139 .

Diagnosis. Adult (Fig. 8) wingspan 26.0–33.0 mm. This species is diagnostic by the forewing having a pale saffron spot on the inner side of the postmedial line; in the male genitalia (Fig. 19) by the shuttle-shaped distal process of the gnathos and the longer clasper about 1/2 the length of the valva; and in the female genitalia (Fig. 26) by the ducuts bursae about the same length of the bursal ring. Orybina imperatrix is similar to O. bellatulla sp. nov. in the wing color, and the differences between them are stated under O. bellatulla sp. nov.

Distribution. China (Anhui, Fujian, Guangdong, Guangxi, Hunan, Jiangxi, Zhejiang).