Recording method
Flies around small birches in late afternoon.
Life cycle
Mines: July to autumn, overwintering on the ground without feeding. Adults: May-July.
Larval foodplants
Downy Birch or, less frequently, Silver Birch.
History
The first for Dumfries & Galloway was found on Carsegowan Moss, Wigtownshire, on 9th August 1997 during a ‘Grey Daggers’ Moth Group field meeting, while the the first for Kirkcudbrightshire was found at Kirkconnell Flow NNR on 15th June 2002, with the Wigtownshire first being found at an unknown site by a person unknown prior to 2010 (Scottish micro-moth data).