rare species throughout Belgium, more frequently observed
in the south.
larva lives on different species of Gramineae like Molinia caerulea and Poa nemoralis. Hibernates as a larva and pupates in a flimsy cocoon on the ground.
adults fly in one generation a year; from end of April till late June. They come to light and sugar.
Namur, Lavaux-Ste-Anne, 21 May 2004.
(Photo © Chris Steeman)