Alex Hyde / A pair of Small tortoiseshell butterflies (Aglais urticae) camouflaged with their wings closed on dead stinging nettle leaves.

Alex Hyde / Small tortoiseshell butterfly (Aglais urticae) resting with wings closed showing camouflaged wing underside.

Stephen Dalton / Small tortoiseshell butterfly (Aglais urticae) mass of caterpillar larvae on Stinging nettle (Urtica dioica)foodplant, UK

Stephen Dalton / Small tortoiseshell butterflies (Aglais urticae) feeding on Buddleia flower, UK

Stephen Dalton / Small tortoiseshell butterfly (Aglais urticae) in flight, UK, controlled conditions

Stephen Dalton / Small tortoiseshell butterfly (Aglais urticae) in flight / landing, UK

Stephen Dalton / Small tortoishell butterfly (Aglais urticae) in flight, UK

Andy Sands / Large Tortoiseshell (Nymphalis polychloros) on Bramble flower with wings closed, species probably extinct in UK, Captive

Andy Sands / Large Tortoiseshell (Nymphalis polychloros) on Bramble flower with wings open, species probably extinct in UK, Captive

Andy Sands / Small Tortoiseshell butterfly (Aglais urticae) basking on flower of Oxeye Daisy, West Sussex, England, UK

Simon Colmer / Caterpillar larva of Small tortoiseshell {Aglais urticae} feeding on nettle leaves, UK

Gary K. Smith / Small Tortoiseshell butterfly (Aglais urticae) feeding on garden marigold flowers, UK, September