Nick Upton / Slow motion clip of a Meadow brown butterfly (Maniola jurtina) and a Gatekeeper butterfly (Pyronia tithonus) nectaring on Saw-wort flowers (Serratula tinctoria), with a Silver-washed fritillary (Argyn...

Ross Hoddinott / Silver-washed fritillaries (Argynnis paphia) feeding on knapweed, Meeth Quarry, Devon, UK. July.

Ross Hoddinott / Silver-washed fritillaries (Argynnis paphia) feeding on bramble, Meeth Quarry, Devon, UK. July.

Pal Hermansen / Silver-washed fritillary (Argynnis paphia) flying above thistles, under blue sky. Akershus, Norway. July.

Rod Williams / Crab spider (Misumena vatia) with Silver-washed fritillary (Argynnis paphia) prey, New Cross Gate Cutting Nature Reserve, Lewisham August.

Stephen Dalton / Silver washed fritillary (Argynnis paphia) in flight, Sussex, England, UK, July.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia), female feeding from flower, Finland, August.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia), female feeding from flower, Finland, August.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia), female feeding from flower, Finland, August.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia), female feeding from flower, Finland, August.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia), female feeding from flower, Finland, August.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) feeding on buddleia, Holt Country Park, Norfolk, England, UK, July.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) feeding on buddleia, Holt Country Park, Norfolk, England, UK, July.

Ernie Janes / Silver-washed fritillaries (Argynnis paphia) basking on leaf, Holt Country Park, Norfolk, England, UK, July.

Stephen Dalton / Silver-washed fritillary (Argynnis paphia) Sussex, England, UK, July.

Stephen Dalton / Silver washed fritillary (Argynnis paphia) egg-laying, Rookery Wood, Sussex, UK, July.

Nick Upton / Close up view of a Silver-washed fritillary (Argynnis paphia) nectaring on Saw-wort (Serratula tinctoria) flowers, Lower Woods Gloucestershire Wildlife Trust reserve, England, UK, July.

Nick Upton / Silver-washed fritillary (Argynnis paphia) nectaring on a Bramble (Rubus fruticosa) flower before flying off, Lower Woods Gloucestershire Wildlife Trust reserve, England, UK, July.

Nick Upton / Close up view of a Silver-washed fritillary butterfly (Argynnis paphia) sunning itself on a Bramble (Rubus fruticosa) leaf on woodland edge before flying off, Lower Woods Gloucestershire Wildlife Trus...

Nick Upton / Gatekeeper butterfly (Pyronia tithonus) nectaring on Saw-wort flowers (Serratula tinctoria), with a Silver-washed fritillary (Argynnis paphia) flying nearby, Lower Woods Gloucestershire Wildlife Trust...

MYN / Dirk Funhoff / Caterpillar of Silver washed fritillary butterfly (Argynnis paphia), Lorsch, Hessen, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Silver washed fritillary butterfly (Argynnis paphia), Lorsch, Hessen, Germany. Meetyourneighbours.net project.

Stephen Dalton / Silver washed fritillary butterfly (Argynnis paphia) resting with wings closed, Sussex, UK

Stephen Dalton / Silver washed fritillary butterfly (Argynnis paphia) resting with wings open, Sussex, UK

Jussi Murtosaari / Silver washed fritillary butterfly (Argynnis paphia) female in flight near thistles, Uusimaa, Finland, August.

Jussi Murtosaari / Silver washed fritillary butterfly (Argynnis paphia) female in flight with thistles, Uusimaa, Finland, August.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) male with flying Hoverfly (Syphriidae) Holt Country Park, Norfolk, England, UK, July.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) male on bramble, Holt Country Park, Norfolk, England, UK, July.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) male on bramble, Holt Country Park, Norfolk, England, UK, July.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) male on bramble, Holt Country Park, Norfolk, England, UK, July.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) male on bramble, Holt Country Park, Norfolk, England, UK, July.

David Kjaer / Silver-washed fritillary butterfly (Argynnis paphia) England, UK, July.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) sunning itself on leaf, East Anglia, England, UK. July.

Ernie Janes / Silver-washed fritillary (Argynnis paphia) sunning itself on leaf, East Anglia, England, UK. July.

Jussi Murtosaari / Silver-washed Fritillary butterfly (Argynnis paphia) male, Lemland, Ahvenanmaa / Aland Islands Archipelago, Finland. August

Stephen Dalton / Silver-washed fritillary butterflies (Argynnis paphia) mating, Sussex, England, UK, July.

Stephen Dalton / Silver-washed fritillary butterfly (Argynnis paphia) feeding on Bramble flower. Sussex, England, UK, July.

Nick Upton / Male Silver-washed fritillary butterfly (Argynnis paphia) feeding on Bramble flowers (Rubus fruticosa = Rubus plicatus) on woodland edge, Wiltshire, UK, July.

Nick Upton / Male Silver-washed fritillary butterfly (Argynnis paphia) sunning in dappled light on woodland edge, Wiltshire, UK, July.

Colin Varndell / Male silver-washed fritillary butterfly (Argynnis paphia) taking nectar from hemp agrimony flower, Dorset, UK. August

Andy Sands / Silver washed fritillary butterfly (Argynnis paphia) egg, single egg layed in crack of bark on Oak tree, Hertfordshire, England, UK. July. Focus stacked.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia) male, resting on leaf, Finland. July.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia) male, resting on European goldenrod (Solidago virgaurea) flower, Finland. July.

Paul Harcourt Davies / Silver washed fritillary (Argynnis paphia) female, resting on kitchen curtains feeding from whatever has been deposited from the air, Podere Montecucco, Orvieto, Umbria, Italy. June.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia) male flying towards flower where female is resting, Finland, July.

Paul Harcourt Davies / Silver-washed fritillary butterfly (Argynnis paphia) female, nectaring on a flower, Gran Sasso, Umbria, Italy. July.

Jussi Murtosaari / Four male Silver-washed fritillary butterflly (Argynnis paphia) aggregating on wildflower, Finland. July.

Jussi Murtosaari / Female Silver-washed fritillary butterfly (Argynnis paphia) nectaring on Wild angelica (Angelica sylvestris), Finland. July.

Paul Harcourt Davies / Female Silver-washed fritillary butterfly (Argynnis paphia) feeding on flowering thistle, Umbria, Italy. July.

Paul Harcourt Davies / Female Silver-washed fritillary butterfly (Argynnis paphia) feeding on flowering thistle, Gran Sasso, Umbria, Italy. July.

Stephen Dalton / Silver washed fritillaries (Argynnis paphia) mating, Loder Valley reserve, Sussex, England, UK. July.

Stephen Dalton / Silver washed fritillary (Argynnis paphia) in flight after take off, Sussex, England, UK. July.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia valesina), female and, Eurasian bee beetle (Trichius fasciatus) feeding on Creeping thistle (Cirsium arvense), Finland, July.

Mike Read / Silver-washed fritillary (Argynnis paphia) male feeding on Bramble (Rubus fruiticosus) West Sedgemoor RSPB Reserve, Somerset Levels and Moors, Somerset, England, UK, July.

Mike Read / Silver-washed fritillary (Argynnnis paphia) male feeding on Bramble (Rubus fruiticosus) Wootton Copse, New Forest National Park, Hampshire, England, UK, July.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia) nectaring, two males in flight. Jyvaskyla, Finland. July.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia) female nectaring. Jyvaskyla, Finland. July.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia) male nectaring beside beetle. Jyvaskyla, Finland. July.

Jussi Murtosaari / Silver-washed fritillary butterfly (Argynnis paphia valesina) female resting on leaf. Jyvaskyla, Finland. July.

Robin Chittenden / Silver-washed fritillary (Argynnis paphia) nectaring on Bramble (Rubus fruticosus). Norwich, Norfolk, England, UK. July.

Pal Hermansen / Silver-washed fritillary butterfly (Argynnis paphia) pair mating. Ski, Viken, Norway. July.

Pal Hermansen / Silver-washed fritillary butterfly (Argynnis paphia) pair mating amongst Oxeye daisy (Leucanthemum vulgare) flowers. Ski, Viken, Norway. July.

Pal Hermansen / RF - Silver-washed fritillary butterfly (Argynnis paphia) in flight amongst wildflowers and grasses. Akershus, Norway. July. (This image may be licensed either as rights managed or royalty free.)

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia) butterfly, pair flying in grassland. Lielahti, Aboland, Finland. July.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia) butterfly pair, female on Thistle flower, male in flight. Lielahti, Aboland, Finland. July.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia) butterfly pair mating in flight, in woodland. Jyvaskyla, Central Finland. July.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia) butterfly male nectaring. Jyvaskyla, Central Finland. July.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia) butterfly male nectaring alongside Bee-fly. Jyvaskyla, Central Finland. July.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia) butterfly male nectaring alongside Bee-fly. Jyvaskyla, Central Finland. July.

Pal Hermansen / Silver-washed fritillary butterfly (Argynnis paphia) Akershus, Norway, July.

Andy Sands / Silver washed fritillary (Argynnis paphia) feeding on nectar from flowers in woodland clearing, Bulgaria, August

Robert Pickett / Silver-washed Fritillary Butterfly (Argynnis paphia) close-up of head showing curled proboscis and large compound eyes, UK.