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Dark Green Fritillary Argynnis aglaia Wingspan 60mm. An active, fast-flying butterfly, seen skimming and gliding over open ground and feeding on the flowers of thistles and knapweeds. Adult has orange-brown upperwings; underside of hindwing is suffused with olive-green scaling. Flies July–August. Larva is black with spiky hairs; feeds on violets. Widespread but local on chalk downland and sand dunes in Britain and Ireland; commonest near coasts and in western half of region.
- © PAUL STERRY/Nature Photographers
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- Contained in galleries