to be a fairly common species throughout Belgium, but nowadays rather
scarce. Usually seen in low numbers or as singletons.
larva lives on several species of grasses like Molinia caerulea, Deschampsia flexuosa and Nardus stricta. The eggs are dropped in
flight and overwinter with the caterpillar fully formed inside the
adults fly from late June till early October in one generation a year. They are active during the
day and at night. They come to light and sugar.
Luxembourg, Nassogne, 14 August 2004.
(Photo © Chris Steeman)