common species throughout Belgium, sometimes in large numbers.
larva feeds in a vertical silken gallery along the lower part of a stem
of Festuca ovina or other grasses. It hibernates.
Pupation in a silken frass-covered cocoon.
adults fly from the beginning of June till the beginning of September.
Most abundant in July and August. They are easily disturbed during the
day and come to light.
Antwerpen, Kapellen, 06 July 2007.
(Photo © Chris Steeman)