A not so common species throughout Belgium.
first, the larva feeds in the flower-heads of Lactuca virosa,
L. serriola or cultivated lettuce.
Later, it burrows into the seed-head. It hibernates in a cocoon spun in
the soil or amongst leaf-litter. Pupation in the cocoon.
adults have been observed in July and August. They are active in the
evening and later come to light.
Antwerpen, Viersel, 16 July 2004.
(Photo © Maarten Jacobs)