not so common species in Belgium. The first observation for this species in our country was in 1981 at Mol-Balen. (AN)
polyphagous larva lives in a brownish case on Betula, Crataegus, Agrimonia, Filipendula, Fragaria, Geum, Helianthemum, Potentilla, Prunus, Rosa, Rubus, Salix, Sanguisorba, Spirea
etc... The larvae feed on the leaves from the underside, often making
relatively large blotches and often several to a
leaf. Pupation in
the case, usually attached to
trunk in the neighbourhood of the food plant.
adults fly in one generation a year occuring from mid June
towards August. They come to light.
Antwerpen, Ekeren, 28 October 2007.
final case on underside of Rubus
(Photo © Chris Steeman)