Rhodostrophia tristrigalis Butler, 1889

Figs 12, 25, 36, 57

Rhodostrophia tristrigalis Butler, 1889, Illust. typical Specimens Lepid. Heterocera Colln Br. Mus., 7: 22, 110, pl. 137, fig. 1. Syntypes ♁, ♀, India: Kangra district, Dharmsala (NHM).

Diagnosis. The species can be distinguished by the following characters: the antennal flagellum is dentate ventrally; the male hind tibia contains three spurs; the apex of the forewing is acute; the outer margin of the forewing is straight; the transverse lines on the forewing are parallel to the outer margin; in the male genitalia, the apex of the costa of the valva is rounded and separated from the valva; the terminal one third of the valva is rod-like and dilated centrally without spines; a small rounded process is present on the apex of the ventral margin of the sacculus; the posterior part of the aedeagus is covered with teeth; the cornutus is absent. Females not available.

Material examined. CHINA: Sichuan (ZFMK): 1 6, Ningwuan, coll. Wehrli. Tibet (IZCAS): 1 6, Bomi, Yi’ong, 2300 m, 11.VIII.1983, coll. Han Yinheng. Distribution. China (Sichuan, Tibet), India .