Tridrepana finita was found in China and was described by Watson, the adults are similar to Tridrepana sadana
It is found in China (Sichuan, Yunnan, Tibet). It was described by Watson in 1957. Adults are similar to Tridrepana sadana and Tridrepana rubromarginata, but the subterminal line of the forewings is wavy, thin and indistinct. 
