common species in Belgium, but overlooked.
larva mines a leaf and later lives in a series of portable cases on Cotoneaster, Crataegus, Malus, Prunus, Pyrus, Sorbus etc... Pupation in the case, generally attached to the upper surface of a leaf in a sunny position.
adults fly in June and July. They become active shortly after sunrise and at sunset.
Namur, Namèche, 11 June 2008.
case on leaf of
Crataegus monogyna, determination by W. N. Ellis
(Photo © Jean-Yves Baugnée)