Eudonia murana, the Scotch gray or wall grey, is a moth of the Crambidae family. It is found in most of Europe. The wingspan is 18–23 mm. Adults are on wing from June to August, possibly in two generations. The larvae feed on various mosses growing on rocks and walls, including Hypnum cupressiformis, Dicranum scoparium, Bryum capillare and Grimmia pulvinata.