Nick Upton / Six-spot burnet moth (Zygaena filipendulae), Marbled white butterflies (Melanargia galathea) and a Dark green fritillary (Argynnis aglaja) nectaring on a clump of Greater knapweed flowers (Centaurea s...

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...

Bengt Lundberg / High brown fritillary butterfly {Argynnis adippe} + Bumble bee feed on flower nectar, Sweden

Nick Upton / Two Dark green fritillary butterflies (Argynnis aglaja), Marbled white butterflies (Melanargia galathea) and a Narrow-bordered five-spot burnet moth (Zygaena lonicerae) nectaring on a Greater knapweed...

Nick Upton / Dark green fritillary (Argynnis aglaja) nectaring on a Greater knapweed flower (Centaurea scabiosa) in a chalk grassland meadow, joined by a Meadow brown butterfly (Maniola jurtina), Wiltshire, Englan...

Nick Upton / Marbled white butterflies (Melanargia galathea) and a Dark green fritillary (Argynnis aglaja) nectaring on a clump of Greater knapweed flowers (Centaurea scabiosa) in a chalk grassland meadow, Wiltshi...

David Woodfall / High brown fritillary (Argynnis adippe) butterfly on thistle. Ogmore Down, Wales, UK, July.

Konrad Wothe / Slow motion clip of Ringlet (Aphantopus hyperantus) nectaring on a Knapweed (Centaurea) flower with a Fritillary (Melitaea), distrubed by another, Bavaria, Germany, July.

Konrad Wothe / Slow motion clip of male False heath fritillary butterflies (Melitaea diamina) on a Knapweed (Centaurea) flower, disturbing a Ringlet (Aphantopus hyperantus), Bavaria, Germany, July.

Konrad Wothe / Slow motion clip of Ringlet butterfly (Aphantopus hyperantus) nectaring on a Knapweed (Centaurea) flower with a False heath fritillary (Melitaea diamina), disturbed by another (Melitaea), Bavaria, Ger...

Konrad Wothe / Slow motion clip of Ringlet butterfly (Aphantopus hyperantus) nectaring on a Knapweed (Centaurea) flower alongside a False heath fritillary (Melitaea diamina),and a Marbled white (Melanargia galathea...

Konrad Wothe / Slow motion clip of group of Ringlets (Aphantopus hyperantus) resting on a Knapweed (Centaurea) flower alongside a False heath fritillary (Melitaea diamina), disturbed by another butterfly, Bavaria, G...

Konrad Wothe / Slow motion clip of Ringlet (Aphantopus hyperantus) nectaring on a Knapweed (Centaurea) flower with a False heath fritillary (Melitaea diamina), disturbed by another (Melitaea) Bavaria, Germany, July...

Jussi Murtosaari / High brown fritillary (Argynnis adippe), male and female mating, Finland, August.

Jussi Murtosaari / High brown fritillary butterfly (Argynnis adippe), pair mating, Finland, August.

Jussi Murtosaari / High brown fritillary butterfly (Argynnis adippe), Finland, July.

Jussi Murtosaari / High brown fritillary butterfly (Argynnis adippe), male on ground, Finland, July.

Jussi Murtosaari / High brown fritillary butterfly (Argynnis adippe), male, Finland, July.

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...

Peter Schwarz/ BIA / High Brown Fritillary (Argynnis adippe) butterfly, Dalmatia, Croatia

MYN / Dirk Funhoff / High brown fritillary butterfly (Argynnis adippe) on Yarrow (Achillea millefolium), Lorsch, Hessen, Germany. June. Meetyourneighbours.net project

Jussi Murtosaari / High brown fritillary (Fabriciana adippe) on knapweed, Lohja, Uusimaa, Etela-Suomi / South Finland, Finland. July

Jussi Murtosaari / High brown fritillary butterfly (Fabriciana adippe) newly emerged male, Pernaja, Ita-Uusimaa / Eastern Uusimaa, Etela-Suomi / South Finland, Finland. June

Robert Thompson / High Brown Fritillary butterfly (Argynnis adippe) Mercantour National Park, Provence, France, June.

Robert Thompson / High Brown Fritillary butterfly (Argynnis adippe) Mercantour National Park, Provence, France, June.

Robert Thompson / High brown fritillary butterfly (Argynnis adippe) resting on leaf, Lake District, Cumbria, UK, July

Robert Thompson / High brown fritillary butterfly (Argynnis adippe) resting on leaf, Lake District, Cumbria, UK, July

Andy Sands / High Brown Fritillary Butterfly (Argynnis adippe) sunning on thistle. UK. Captive.

Andy Sands / High Brown Fritillary Butterfly (Argynnis adippe) at rest on Red Campion seedhead. UK. Captive.

Andy Sands / High Brown Fritillary Butterfly (Argynnis adippe) on thistle. UK. Captive.

Andy Sands / High Brown Fritillary Butterfly (Argynnis adippe) on thistle. UK. Captive.

Andy Sands / High Brown Fritillary Butterfly (Argynnis adippe) on thistle. UK. Captive.

Paul Hobson / High brown fritillary butterfly {Argynnis adippe} Cumbria, England

Paul Hobson / High brown fritillary butterfly {Argynnis adippe} Cumbria, England

Paul Hobson / High brown fritillary butterfly {Argynnis adippe} Cumbria, England

Robin Chittenden / High brown fritillary butterfly (Argynnis adippe) Hautes-Pyrenees, France, June.

Paul Harcourt Davies / Three High brown fritillary butterflies (Argynnis adippe) nectaring on flowers (Adenostyles australis) with Glanville fritillary butterfly (Melitaea cinxia) in flight, Gran Sasso, Abruzzo, Italy. July...