rather local species in the southern part Belgium.
larva feeds from a greyish black composite leaf case on Pyrola and Vaccinium vitis-idaea.
It has a two-year life cycle. It pupates in the case, often attached to the upperside of a leaf.
adults fly in one generation a year; from late May onwards till early July.
Liège, Eupen, 02 November 2009.
larval case on Vaccinium vitis-idaea
(Photo © Jean-Yves Baugnée)