Life cycle

Mines: June-August, September-November.   Adults fly April-June, July-October.

Larval foodplants

Apple, Hawthorns, Pear, Whitebeam (Sorbus) species, other rosaceous trees.  Form betulae on Birches.

History

The first for Dumfries & Galloway was found at an unknown site in Dumfriesshire by a person unknown prior to 1985 (BRC/MOGBI data), while the first for Kirkcudbrightshire was found on the Threave Estate NTS on 14th July 1994 by A. M. Emmet.