Prunus padus
The young larvae feed on various trees and shrubs, including "Salix" species (including "Salix caprea" and "Salix myrsinifolia"), older larvae also feed on low growing plants such as "Rumex" species. Other recorded food plants include "Betula" (including "Betula pubescens"), "Rubus idaeus", "Malus domestica", "Sorbus aucuparia", "Prunus padus", "Tilia" species (including "Tilia cordata"), "Vaccinium myrtillus", "Syringa vulgaris" and "Viburnum opulus".