Leucoma costalis (Moore, 1879)

(Figs 2, 22)

Caragola costalis Moore, 1879: 46 .

Caviria costalis: Hampson, 1893: 491 .

Redoa costalis: Swinhoe, 1922: 463 .

Euzora costalis: Bryk, 1934: 122 .

Stilpnotia costalis: Chao, 1978: 55 .

Leucoma costalis: Swinhoe, 1906: 541; Chao, 2003: 292; Wang et al., 2015: 583.

Diagnosis. The species can be easily separated from its congeners by forewings acute apically, with a black edge at the basal area of costa; valvae wide basally, divided into two arms distally, the ventral arm deeply inward concave at terminal.

Material examined. 1♂, Tacheng Town, Weixi County, Diqing Tibetan Autonomous Prefecture, Yunnan, 17.VII.2016,leg H.S. Wang . 1♂, Baotai Mountain, Yongping County, Baoshan City, Yunnan, 12.VIII.2018, leg S.Y. Huang .

Distribution. China (Sichuan, Yunnan), India.