rare species confined to the southern provinces of Belgium, except for
one old record from Brabant.
larva lives on different species of Galium.
Hibernates as pupa in a cocoon on the ground.
adults fly in two generations a year; from mid April towards mid
September. They are active on sunny afternoons and at dusk and later
come to light.
Luxembourg, Resteigne, 30 May 2008.
(Photo © Jean-Yves Baugnée)