very local and scarce species in Belgium.
larva lives on several species of herbaceous plants, like Origanum.
Hibernates as a part-grown larva and pupates in a cocoon attached to
blades or stems of grass.
adults fly from mid May till the end of June in one generation a year.
They are active during daytime, especially in sunny weather. They come
occasionally to light.
Luxembourg, Virton, 18 May 2007.
(Photo © Chris Steeman)