Salix viminalis
The larvae feed on various willow species – "Salix" (British Isles, Finland, Europe), "Salix aurita" (Finland), "Salix caprea" (Finland), "Salix cinerea" (Finland), "Salix lapponum" (Finland), "Salix purpurea" (Finland), "Salix repens" (British Isles), "Salix viminalis" (British Isles) polyphagous (Sweden, Europe)