The Nut-tree Tussock (Colocasia coryli) is a moth of the family Noctuidae. It is found in Europe.Western Asia. In the North, the distribution area includes northern Scandinavia, in the South the moth is limited to montane areas of Western and Northern Spain, Sicily, Greece and Asia minor. In the East the range extends across the Palearctic to Lake Baikal.In the Alps coryli rises up to 1600 m. asl. The wingspan is 27–35 mm. The length of the forewings is 14–17 mm.