local and rare species in Belgium, mainly found on limestone
and chalk soils.
larva mines the leaves of Cistus
species. Initially starts as a gallery almost filled with frass and
finally changing into a blotch often occupies the whole leaf with frass
dispersed and heaped. The larvae of the second generation also lives
inside the flowers and seeds. Pupation in a cocoon spun to leaf litter.
adults fly in two generations a year from late April to the beginning
of October, but are most abundant from May towards first half of June
and again from the second half of July till end of August. They come to
Liège, Huccorgne, 06 May 2009.
© Jean-Yves Baugnée)