common species throughout Belgium.
larva lives on Salix, and occasionally on Populus.
It prefers the catkins of Salix, but also lives
between two leaves spun together. Pupation takes place in the larval
habitation or between leaf-litter on the ground. The species hibernates
in the egg stage.
adults fly from early June till late September, but most observations during July and August. They are mainly active at dusk and
later come to light.
polymorph species with a number of colour forms, most of which show
some degree of intergradation.
Antwerpen, Viersel, 23 July 2004.
(Photo © Maarten Jacobs)