Status: RDB3
Notes: Endangered, Scottish Highlands. Wingspan 34-39mm. Nocturnal; late July to August. Frequents woodland, birch woodland and scrub. Larva late August to June. Larva feeds on Bilberry, Heather and Eared Willow.

Flightime guide
J	F	M	A	M	J	J	A	S	O	N	D