A very rare and
irregular immigrant. Only known from records before 1980 in the
province of Brabant and from the southern provinces. Can establish
itself for a while after an influx of immigrants.
larva lives on the unripe seedheads and flowers of a variety of plants like Silene, Sanguisorba, Ononis, Artemisia, Centaurea, Hieracium etc. The caterpillars are frequently eating other caterpillars. Hibernates as a pupa in a flimsy cocoon on or below the ground.
adults have been recorded from mid May till mid August, but most
specimens were seen during June and July. It is active during the
day in sunshine visiting flowers. They come to light.
Catalunya, Tremp, 13 May 2004.
(Photo © Chris Steeman)