Last modified: June 17, 2023, 4:28 p.m.
A very rare and local species in Belgium, only known from the southern provinces.
Native
After mating in autumn, the males all die and only the females hibernate.
They come to light and sugar and visits sallow catkins in spring.
Hibernates as imago. It pupates among plant debris.
The adults fly from late August till well into November. Depending on mild weather, the females fly again from February, but usually from end of March till May, very exceptional to early June.
The larva lives on various deciduous trees, especially on Betula and Salix and shrubs like Vaccinium.