Lophoptera obliquilinea Prout, 1928

Figs. 96, 97, 129, 155, 181

Lophoptera obliquilinea Prout, 1928, Bulletin of the Hill Museum, 2: 166. Holotype: female, [Indonesia]: Sumatra, Mount Korintji (BMNH).

Diagnosis. This species can be easily distinguished from other congeners by presence on forewing the oblique greyish-yellow band, extending from the basal one fourth of the costal margin to the middle of the anal margin, which divides the basal reddish half into two parts. In the male genitalia, the valva has a characteristic longitudinal ridge. In the female genitalia, the lateral lobes are reniform. The male genitalia are firstly illustrated and described here.

Description. Male genitalia. Uncus short, wide, hook-like apically. Gnathos short, connected at middle, forming a small round process at base of uncus. Valva long and wide; sacculus narrow, elongate apically; a longitudinal ridge produced from the base of valva, reaching nearly two thirds length of valva. Juxta oval, deeply concave posteriorly. Saccus very long, cone-shaped. Aedeagus short, with short needle-like cornutus centrally and a spinous patch terminally.

Material examined. CHINA, Hainan: 1 male, Ledong Jianfengling Mingfenggu, 983 m, 6.XII.2009, coll. Yang Chao; 1 female, Ledong, Jianfengling, Sichang, 666 m, 5.XII.2009, coll. Yang Chao (IZCAS).

Distribution. China (Hainan), Burma, Malaysia, Indonesia. The species is reported for China for the first time.