rather common species throughout Belgium.
larva lives on a variety of herbaceous plants but mainly on Sonchus. Hibernates as a pupa in a tough cocoon underground, sometimes for several years.
adults fly in two generations a year; from May till mid October.
Individuals of the first generation are more numerous than the second
one. They come to light.
West-Vlaanderen, Koksijde, 17 June 2005.
(Photo © Maarten Jacobs)