xerothermic species is very rare and local in Belgium, recently
discovered again after an absence of more than 150 years.
larva lives in a large blotch on Campanulaceae like Campanula persicifolia. When it gets older, the larva lives free in a leaf spun on the food plant. Hibernates as an egg.
adults fly from late May towards August. They come to light.
Liège, Aywaille, 02 June 2012.
(Photo © Éric Steckx)