common species throughout Belgium.
larva makes a mine on the underside of a leaf of Quercus
spp. Pupation in the larval feeding place. The pupa hibernates.
adults fly in two generations a year: in April-May and again in
August-September. They rest on the tree trunks, are active at dusk and
later come to light.
Antwerpen, Kapellen, 27 April 2004.
(Photo © Chris Steeman)