rather common but local species in Belgium, mainly known from the southern provinces.
larva makes an opaque white gallery quickly becoming a blotch mine on the upper surface of a leaf
leaves close to the ground being preferred. Frass is ejected through a
hole in the epidermis. The larva pupates inside the mine.
adults fly in two generations a year: from May to June and again during July-August.
Namur, Han-sur-Lesse, 12 November 2006.
several blotch mines on leaflets on Rosa
(Photo © Chris Steeman)