Orybina regalis (Leech, 1889)

(Figs 3, 14, 22)

Oryba regalis Leech, 1889: 71 . Type locality: Korea.

Hirayamaia regalis (Leech): Inoue, 1955: 153.

Orybina regalis (Leech): Hampson, 1896: 540; Yang, 1977: 213; Wang et al., 2003: 162; Li & Wang, 2009: 337; Li & Li, 2009: 40.

Material examined. Guangxi: 1 ♂, Jiuniutang (25.88°N, 110.49°E), Mt. Mao'er, Guilin, 1016 m, 25-VII-2015, leg. Mujie Qi, Shengnan Zhao, genitalia slide No. QMJ15170 ; Hebei: 2 ♀, Suopu (36.63°N, 113.62°E), Shexian, 700 m, 31-VII-2000, leg. Haili Yu, genitalia slide Nos. ZDD01062, ZDD02206 ; 1 ♂, Suanzaoping, Neiqiu, 670 m, 28-VII-2000, leg. Haili Yu ; Henan: 2 ♂, 1 ♀, Shuiliandong (32.35°N, 113.36°E), Tongbai, 300 m, 26-VII-2000, leg. Haili Yu, 16, 17-VII-2001, leg. Dandan Zhang, genitalia slide Nos. WSS02009 ♂, WSS02203 ♂ ; 1 ♂, 1 ♀, Lingshansi (31.89°N, 114.22°E), Luoshan, 350 m, 22, 23-V-2000, leg. Haili Yu, genitalia slide No. JQ 07389 ♀ ; 1 ♂, Baligou, Huixian, 780 m, 12-VII-2002, leg. Xinpu Wang, genitalia slide No. WSS03055 ; Hunan: 1 ♂, Zhangjiajie (29.21°N, 110.46°E), VII-1987, leg. Houhun Li, genitali slide No. WSS02010 ; Shanxi: 1 ♂, Xizhashuicun (35.61°N, 113.38°E), lingchuan County, jincheng, 900 m, 12-VII-2010, leg. Haiyan Bai, Linlin Yang ; Yunnan: 1 ♀, Liaowangtai (22.60°N, 101.11°E), Taiyanghe National park, Pu'er, 1626 m, 9-VII-2013, leg. Shurong Liu, Yuqi Wang and Kaijian Teng.

Diagnosis. Adult (Fig. 3) wingspan 24.0–32.0 mm. This species can be distinguished from its congeners by the forewing having a rounded yellow spot on the inner side of the postmedial line below costa. It is similar to O. plangonalis in the male and female genitalia, and the differences between them are stated under O. plangonalis .

Distribution. China (Beijing, Guangxi, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Hebei, Jiangsu, Jiangxi, Shanxi, Sichuan, Yunnan, Zhejiang), Japan (Inoue 1955), Korea (Leech 1889).