Tridrepana subunispina is found in Yunnan (a landlocked province in the southwest of the People's Republic of China) and its forewings have a brown crescent patch below the apex while the hindwings have a curved indistinct postmedial line.
Tridrepana subunispina is found in Yunnan (a landlocked province in the southwest of the People's Republic of China) and its forewings have a brown crescent patch below the apex while the hindwings have a curved indistinct postmedial line.