Prunus padus
The larva feeds on various deciduous trees and shrubs such as "Betula verrucosa", "Betula pubescens", "Salix" species (including "Salix caprea" and "Salix phylicifolia"), "Populus tremula", "Sorbus aucuparia", "Amelanchier spicata", "Prunus padus", "Rhamnus frangula", "Vaccinium myrtillus", "Vaccinium uliginosum". Larvae can be found from May to August.