Recording method

Comes to light and sugar.

Life cycle

Larvae: April-June amongst spun leaves.  Adults: June-September.

Larval foodplants

Birch species.

History

The first for Dumfries & Galloway was found at Closeburn, Dumfriesshire, on 3rd August 1970 by Sir Arthur Duncan, while the first for Kirkcudbrightshire was found at Kirkconnell on 4th August 1976 by Sir Arthur Duncan, both his specimens at National Museums Scotland, with the Wigtownshire first being found at The Forest on 7th August 1997.