David Kjaer / Brown Argus (Aricia agestis) on flower, Wiltshire, UK, August.

David Kjaer / Brown Argus (Aricia agestis) butterfly on grass stem, Wiltshire, UK, July.

Andy Sands / Brown Argus butterfly (Aricia agestis) basking on plant stem with wings open, Bedfordshire, England, UK, July

Colin Varndell / Female Brown argus butterfly (Aricia agestis) at rest, Dorset, UK, August

Russell Cooper / Brown argus butterfly (Aricia ageestis) on leaf, Morden, South London, UK

Russell Cooper / Brown argus butterfly (Aricia agestis) feeding from Autumn hawkbit (Leontodon autumnalis) flower, South London, UK

David Kjaer / Brown argus (Aricia agestis) on flowering grass, Wiltshire, England, June

David Kjaer / Brown argus butterfly (Aricia agestis) on flower head, UK, May

David Kjaer / Brown argus butterfly (Aricia agestis) on flower head, Wiltshire, England, May

Andy Sands / Brown Argus (Aricia agestis) on Scabious flower, Captive, UK

Kim Taylor / Brown Argus butterfly (Aricia agestis) on hawkweed flower, Surrey, England

Paul Hobson / Brown argus {Aricia agestis} at rest, backlit, Derbyshire, UK

Silvia Reiche / Brown Argus (Aricia agestis) butterfly, Eifel, Germany

Silvia Reiche / Brown Argus (Aricia agestis) butterfly, Saint-Jory-las-Bloux, Dordogne, France

Andy Sands / Brown Argus (Aricia agestis) Feeding on flowers of Marjoram, Hertfordshire, England, UK

Kim Taylor / Brown Argus Butterfly (Aricia agestis) Surrey, UK

Paul Hobson / Brown Argus (Aricia agestis) Peak District, Derbyshire, uk

Paul Hobson / Brown Argus (Aricia agestis) with wings closed at rest, Derbyshire, uk

Paul Hobson / Brown Argus (Aricia agestis), Derbyshire, uk

George McCarthy / Brown argus butterfly {Aricia agestis} Sussex, England

George McCarthy / Brown argus butterflies mating {Aricia agestis} Sussex, UK