Recording method
Comes to light.
Life cycle
Mines: June-November, a branched, whitish mine extending along the midrib of a lower leaf. Adults fly April-June, July-September.
Larval foodplants
Thistle species, rarely Colt’s-foot.
History
The first for Dumfries & Galloway was found at Corsemalzie House Hotel, near Mochrum, Wigtownshire, on 27th June 1988 by E. C. Pelham-Clinton, while the first for Dumfriesshire was found near Dalry on 16th August 1996.