Life cycle
Mines: July-August. Adults fly May-June.
Larval foodplants
Rowan.
History
The first for Dumfries & Galloway was found at unknown sites in Dumfriesshire and Wigtownshire by persons unknown prior to 1975 (MOGBI data), while the first for Kirkcudbrightshire was of leaf-mines found at Loch Trool on 18th July 1994 by A. M. Emmet.