Best time to see: early Jul to end Jul
Key facts
An elegant woodland butterfly
Habitat: large woods that are fairly shady
Confined to central southern England; Essex reduced to only one colony in Stour Wood but may now be spreading again
Recognition
Dusky brown upperside with a white band across both wings; underwings have a lighter, more intricate background
Spends long periods drinking aphid honeydew in the woodland canopy
Swift elegant flight of short flits and long glides; wingspan c. 6 cm
Lifecycle
Grey eggs looking like sea urchins laid singly on honeysuckle in late summer
Caterpillars with brown spines hibernate inside a doubled leaf from September until late May
Chrysalis hangs among honeysuckle looking like a half-dead rolled leaf, adults emerging mostly in July
- Main photo
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Photo © Iris Newbery