An uncommon species in Belgium, mainly occuring on dry calcareous or sandy soils.

The larva lives in a composite leaf case made from hairy leaf fragments of mainly Anchusa officinalis and  Echium vulgare but also on Cynoglossum, Lithospernum, Myosotis and Pulmonaria. The final case resembles a willow catkin. It hibernates.

The adults fly in one generation a year; onwards from late May till July. The come to light.