Large Emerald Geometra papilionaria
Back To (Linnaeus, 1761)
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Geometridae » Geometrinae
Really unmistakable, a large green moth with several white cross-lines, sometimes one or more are obscure or absent. Wing edges are wavy
Key Identification Features:
Wavy white median line on both wings
Small white dots near the outer margin of both win
The caterpillar is brown at first, but after overwintering becomes green with brownish 'warts', and feeds mainly on birch (Betula). Throughout Britain, and flying in July and August, it is nocturnal and comes to light. One generation. June-Aug. Flies at night in June and July, when it is easily attracted by light.
Common in woodland, scrubby heathland, hedgerows, gardens and parks throughout much of the British Isles.