Life cycle
Mines: March-May, July. Adults: April-September
Larval foodplants
Creeping Soft-grass Holcus mollis, False Oat-grass Arrhenatherum elatius; probably other members of the Poaceae family.
History
The first for Dumfries & Galloway was found near the White Loch at Colvend, Kirkcudbrightshire, on 28th May 1962 by E. C. Pelham-Clinton, while the first for Wigtownshire was found at Corsemalzie House Hotel, near Mochrum, on 28th June 1988 by E. C. Pelham-Clinton, with the Dumfriesshire first being found at an unknown site by a person unknown prior to 1996 (MOGBI data).