Best time to see: mid Apr to end Aug
Key facts
A blue butterfly found along hedgerows and in woods and gardens
Habitat: anywhere with suitable breeding sites – native shrubs like holly, ivy or gorse
Widespread across southern England and Wales; numbers fluctuate greatly from year to year
Recognition
Violet upperwings with broad black fringe; underwings silver-blue with tiny black dots; wingspan 35 mm
Flutters high up in trees or bushes and rarely settles on the ground; often rests on bushes with wings closed or half open
Lifecycle
Eggs are white discs laid singly on the flowers or flower buds of shrubs, mainly holly and ivy
Caterpillars are translucent green and slug-like, feeding on berries
The dark brown chrysalis forms on the ground or in a crevice
© Gordon Chalk
© Tony Gunton