Recording method
Comes to light.
Life cycle
Larvae: August-May in an acorn, chestnut or walnut. Adults: June-September.
Larval foodplants
Oak species, Sweet Chestnut, occasionally Walnut.
History
The first for Dumfries & Galloway was found at Lochwood Oaks, Dumfriesshire, on 8th August 1996 during a ‘Grey Daggers’ Moth Group field meeting, while the first for Kirkcudbrightshire was found at Ravenshall Point on 4th August 1997.