Last modified: Dec. 30, 2023, 3:04 p.m.
A very rare migrant in Belgium.
Since 2020 there is a little stable population around Tongeren (LI).
From 2022 onwards, more and more sightings in LI but also elsewhere in the country.
Migrant
Overwinters as a caterpillar and pupates around May.
The adults fly from late June to mid August.