very rare and very local species, confined to a number of mountainous
localities in the eastern part of the country. Its main stronghold is
the Plateau of Losheimergraben near the German border.
larva lives on Hypericum perforatum from August to May.
adults are on the wing in July and August. They are easily disturbed from their foodplant and later come to light.
Liège, Büllingen, 17 July 2015.
(Photo © Wouter Mertens)