common species throughout Belgium, but almost never in great numbers.
larva feeds in a tubular silken tunnel along the stem-bases of several
grasses. It hibernates.
adults fly from the end of July till the beginning of October. Most
abundant in August. They can be disturbed from the vegetation during
the day and come to light.
Antwerpen, Berchem, 07 August 2003.
(Photo © Leo Janssen)