Identification
When emerged the wings are a delicate greenish-white colour which fades quickly to white, but a glance across the wings will catch the cross-lines to identify it.
Recording method
Comes to light.
Life cycle
One generation. Overwinters as a pupa. Larvae are present late June to early October.
Larval foodplants
Birches, Hazel, Hawthorn and Blackthorn.
Habitat
All recent records have come from broadleaved woodland.
History
First recorded for Dumfries and Galloway in 1862 for VC73 in Mabie Forest by Lennon, but not until 1989 for VC74 at Kirkinner by Hancock and 2010 for VC72 at Gallow Hill, Moffat by Dave Dick.