Last modified: Dec. 21, 2020, 6:25 p.m.
A rather common species throughout Belgium.
Caterpillars are usually observed in mid May when they are nearly full-grown and descend from the canopy in order to pupate. However, it has been observed also that caterpillars like to hide during daytime on the tree trunks, hiding in crevices, or along twigs and they crawl to the canopy during the night in order to feed. They have an overall greyish ground colour with several whitish markings. The colour and pattern is in most cases well adapted to the tree species on which the caterpillar lives.
Adults come readily to light.
One generation per year: the adults fly from October till well in December.
The larva lives on different deciduous trees from various families, like: Acer, Alnus, Betula, Corylus, Fagus, Fraxinus, Malus, Populus, Prunus, Quercus, Salix and Tilia.
Mixed deciduous forests, parks with a lot of trees.