67. Mustilia castanea Moore, 1879 (FIGURES 38 F–38H)

Mustilia castanea Moore, 1879, in Hewitson & Moore, Lep. Atkinson: 82. TL: [Darjeeling, India] “Darjiling”. Holotype: male (ZMHU) [examined].

Diagnosis. Very similar to M. undulosa, but can be distinguished by the following characters: forewings darker; hindwing with a spot near tornus.

Specimens examined. [SICHUAN] 1 male and 1 female, road from Songpan to Jiuzhaigou, 2600 m, 33˚12’ N, 103˚44’ E, 13.VII.2010, Floriani & Saldaitis leg. (MWM); [YUNNAN] Deqin County (Mt. Meilixueshan): 1 male, 15.VIII.2002, Ming-Yi Tian leg. (SCAU).

Bionomics. The larval host is unknown.

Distribution. Mainland China (Sichuan, Yunnan), Bhutan, Nepal, India.

Remarks. The species usually co-occurs with M. falcipennis but commonly flies at higher altitudes. This species is here recorded from China for the first time.