Host plants:
The caterpillar lives on polyphagous on deciduous woods. It is often found at about Crataegus, Prunus, Salix, Tilia and Quercus.
Habitat:
Erannis defoliaria inhabits all woody habitats from forests to inner-city areas.
Life cycle:
The moths fly from October to December after the first frosts with peak from late October to mid-November. Rarely single specimens are observed already in September and still until March. The egg overwinters and the caterpillar lives from April to May or June.
Remarks:
Erannis defoliaria is distributed throughout most of the Palearctic from Northwest Africa across Europe to East Asia.