Life cycle

Larvae: June-July in a folded leaf or between spun leaves, usually at the end of a shoot. Adults: August-September.

Larval foodplants

Birch species, favouring small trees.

History

The first for Dumfries & Galloway was found at Closeburn, Dumfriesshire, on 6th September 1970 by Sir Arthur Duncan, who found the first for Kirkcudbrightshire at Kirkconnell on 12th September 1977, both specimens at National Museums Scotland.