Jussi Murtosaari / Peacock butterfly (Inachis io) newly emerged on asters, Jyvaskyla, Finland, August.

Gary K. Smith / Small Tortoiseshell Butterfly (Aglais urticae) feeding on Sea Holly flowers (Eryngium maritimum) on coastal dunes, North Norfolk, England, August.

Alex Hyde / Peacock butterfly (Inachis io) feeding on Goat Willow catkins (Salix caprea), an important food source for pollinators in early spring. Peak District National Park, UK. April.

Rod Williams / Comma butterfly (Polygonia c-album) feeding on wild aster, Sutcliffe Park Nature Reserve, Eltham, London, UK, September.

Jussi Murtosaari / Scarce tortoiseshell butterfly (Nymphalis xanthomelas) on pussy willow, Luhanka, Keski-Finland, April. / Central Finland, Finland, April.

Alex Hyde / Peacock butterfly (Inachis io) basking with open wings on a white background in mobile field studio. Peak District National Park, Derbyshire, UK. August

Ernie Janes / Small Tortoisehell Butterfly (Aglais urticae) on cone flowers (Echinacea) in garden with greenhouse in background England, UK, August.

Jussi Murtosaari / Peacock Butterfly (Inachis io) closeup of wings, South Karelia, southern Finland, September.

Paul Harcourt Davies,Paul Harcourt Davies / Peacock butterfly (Inachis io) resting against a wood shed window, Orvieto, Italy, June

Nigel Cattlin / Peacock butterfly (Inachis io) last instar caterpillar feeding on Stinging nettle (Urtica dioica) food plant.

Robert Thompson / Peacock (Aglais io) Brackagh Moss NNR, Portadown, Co. Armagh, Northern Ireland. July

Andy Sands / Comma butterfly (Polygonia c-album) hibernating on Ivy Flowers and covered in frost, Hertfordshire, England, UK, January - Focus Stacked Image