Potamomusa midas
Potamomusa midas is a species of moth in the family Crambidae. It was described by Arthur Gardiner Butler in 1881. It is found in Japan, China, the Russian Far East and Korea.
The length of the forewings is 8.2–9.7 mm for males and 9.1–14 mm for females.
Full-grown larvae reach a length of 20–34 mm.