Potamomusa midas is a moth in the family Crambidae.

It was described by Arthur Gardiner Butler in 1881.

[1] It is found in Japan (Honshu, Shikoku, Kyushu, Yakushima Islands), China (south to Hubei), the Russian Far East (Amur, Ussuri) and Korea.

Full-grown larvae reach a length of 20–34 mm.

This Acentropinae-related article is a stub.