rare species in the southern part of Belgium, sometimes
observed as a vagrant in the northern provinces.
larva lives on Quercus. Hibernates as an egg on the food plant. Pupates in a cocoon spun between leaves.
adults fly in one generation a year; from mid July onwards till mid
September. They come to light, but especially to sugar.
Namur, Doische, 26 August 2005.
(Photo © Chris Steeman)