Common in orchards and woodland, and around old buildings, dry-stone walls and sea cliffs throughout the British Isles. Widespread and common in Hampshire and on the Isle of Wight. Wingspan 23-31 mm. Dentate antemedian fascia extends from costa to dorsum, in contrast to superficially similar
Marbled Green C. muralis, in which antemedian fascia falls short of dorsum. Larva feeds on various lichens, often on walls and tree trunks.