Recording method
Comes to light.
Life cycle
Mines: March-April; July; October. Adults fly April-June, July-August, September-November.
Larval foodplants
Oaks, especially Evergreen Oak, Beech, Sweet Chestnut, Hornbeam, Roble (Nothofagus obliqua, an ornamental). Occasionally lime species or Paper Birch.
History
The first for Dumfries & Galloway was of a leaf-mine found in Castle Kennedy Gardens, Wigtownshire, on 17th July 1994 by A. M. Emmet.