Due to the early flight period and the fact that this is a small species, it is overlooked in many places.
larva lives on lichens growing on tree-trunks and fences. It constructs
a triangular case, tapered at both ends, covered with sand and lichen.
It hibernates full-fed in the case and pupates in it.
adults fly in February-March. The moths are mainly active in the
morning sunshine. The female is apterous.
Antwerpen, Kapellen, 17 March 2004.
(Photo © Chris Steeman)