Life cycle
Mines: June-July, September-October. Adults fly April-May, June-September.
Larval foodplants
Birch species.
History
The first for Dumfries & Galloway was of leaf-mines found at Caerlaverock, Dumfriesshire, on 10th July 1982 by E. C. Pelham-Clinton, who the same day found the first for Kirkcudbrightshire that was of leaf-mines found at Kirkconnell Flow NNR, with the Wigtownshire first being of leaf-mines found at Torrs Warren on 23rd September 2013.