May-July, Southern species have a 2nd brood in August
1-2, depends on location
Fruit trees, Fagus, Prunus serotina, Liquidamber, Salix?
Rearing is medium. Adults emerge in the morning and
during the day, and start to pair from 16:00 and later.
Pairing takes till the evening, sometimes until the next day.
Larva feed in bigger groups in the early stages, and in later
stages more separate. From stage L3 it is better to rear
them in open conditions or outside. Larva measures 6cm