rare species in Belgium.
larva lives in a case on Artemisia vulgaris. Pupation
in the case attached low down on a stem.
adults fly in one generation a year during July and August. They are
active at sunrise, in the evening and at night and come
infrequently to light.
Antwerpen, Ekeren, 16 September 2011.
case on Artemisia
(Photo © Guido De Prins)