uncommon species in Belgium.
pale ochreous-yellow larva constructs 3 cases and lives on the underside of a leaf of Betula and occasionally also on Carpinus betulus and Myrica gale.
adults fly in one generation a year during late June and July. They
come to light.
Namur, Namèche, 23 October 2008.
third case on Betula pendula (Photo © Jean-Yves Baugnée)