Photo © Florent Figon
Gnophos obfuscata, the Scotch annulet or Scottish annulet, is a moth of the family Geometridae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is found in northern, central, and southeastern Europe, Scotland, Ireland, and the Iberian Peninsula.
The wingspan is 41–46 mm (1.6–1.8 in).
Adults are on wing in July and August.
The larvae feed on various plants found in heath areas, such as Calluna vulgaris and Saxifraga species.
Source: Wikipedia
The primary larval foodplants are Bell Heather (Erica cinerea), Cross-leaved Heath (Erica tetralix), Heather (Calluna vulgaris), Petty Whin (Genista anglica), saxifrages (Saxifraga spp.), stonecrops (Sedum spp.), vetches (Vicia spp.) and Yellow Saxifrage (Saxifraga aizoides).