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...

Hanne & Jens Eriksen / Lesser marbled fritillary butterfly {Brenthis ino} resting.,France.

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 / 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...

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 / Lesser marbled fritillary (Brenthis ino) on Betony flower (Stachys officinalis) with Meadowsweet (Filipendula ulmaria) Upper Bavaria, Germany, July.

Jussi Murtosaari / Lesser marbled fritillary butterfly (Brenthis ino), female, Finland, August.

Lorraine Bennery / Lesser marbled fritillary butterflies (Brenthis ino) group resting, Haute-Savoie, France, June.

Lorraine Bennery / Lesser marbled fritillary butterflies (Brenthis ino) group of three, Haute-Savoie, France, June.

Lorraine Bennery / Lesser marbled fritillary butterflies (Brenthis ino) group of three, Haute-Savoie, France, June.

Peter Schwarz/ BIA / Lesser Marbled Fritillary (Brenthis ino) butterfly, Valais, Switzerland

Lorraine Bennery / Lesser marbled fritillary butterfly (Brenthis ino), Haute-Savoie, France, June.

Lorraine Bennery / Lesser marbled fritillary butterfly (Brenthis ino), Haute-Savoie, France, June.

Dave Bevan / Marbled fritillary (Brenthis daphne) at rest on bramble leaf, Hungary, June.

Silvia Reiche / Marbled Fritillary (Brenthis daphne) butterfly, Bukk Mountains, Hungary

Jussi Murtosaari / Lesser marbled fritillary (Brenthis ino) male and female in mating, Ita-Uusimaa, Etela-Suomi / South Finland, Finland. June

MYN / Dirk Funhoff / Marbled Fritillary (Brenthis daphne), on flower Hassloch, Rhineland-Palatinate, Germany, June. meetyourneighbours.net project

MYN / Dirk Funhoff / Marbled Fritillary (Brenthis daphne) on flower, Hassloch, Rhineland-Palatinate, Germany, June. meetyourneighbours.net project

MYN / Dirk Funhoff / Marbled Fritillary (Brenthis daphne) on flower, Hassloch, Rhineland-Palatinate, Germany, June. meetyourneighbours.net project

MYN / Dirk Funhoff / Marbled Fritillary (Brenthis daphne) on flower, Hassloch, Rhineland-Palatinate, Germany, June. meetyourneighbours.net project

Jussi Murtosaari / Lesser Marbled Fritillary butterfly (Brenthis ino) flyingover meadow habitat, Joutsa (formerly Leivonmaki), Finland, July.

Jussi Murtosaari / Lesser Marbled Fritillary butterfly (Brenthis ino) newly emerged female, Finland, July.

Thomas Marent / Lesser Marbled Fritillary (Brenthis ino) butterfly, Switzerland

Thomas Marent / Lesser Marbled Fritillary (Brenthis ino) butterfly on an orchid, Switzerland

Thomas Marent / Lesser Marbled Fritillary (Brenthis ino) butterfly on an orchid, Switzerland

Thomas Marent / Lesser Marbled Fritillary (Brenthis ino) butterfly on an orchid, Switzerland

Thomas Marent / Marbled Fritillary (Brenthis daphne) butterfly on thistle, Alps, Switzerland

Paul Harcourt Davies / Marbled fritillary butterfly (Brenthis daphne) resting on plant, Italy

Thomas Marent / Marbled Fritillary (Brenthis daphne) butterfly, Switzerland

Robin Chittenden / Lesser marbled fritillary (Brenthis ino) on Plantain (Plantago sp) seed head, Hautes-Pyrenees, France, June

Robin Chittenden / Lesser marbled fritillary butterfly (Brenthis ino) feeding on flower, Pyrenees, France, July

Jussi Murtosaari / Lesser marbled fritillary butterfly (Brenthis ino), two males nectaring, alongside fly. Jyvaskyla, Finland.

Jussi Murtosaari / Lesser marbled fritillary (Brenthis ino) butterfly resting on leaf. Luhanka, Central Finland. June.