Duncan Mcewan / Dark green fritillary (Mesoacidalia aglaja) showing underside of wings. Scotland, UK, Europe

Hans Christoph Kappel / Map butterfly - first brood of year in May/ June, Germany. First generation resemble small fritillary - dusky orange wings marked with black

Hans Christoph Kappel / Map butterfly, first brood of year in May/ June (Araschnia levana) Germany

Steve Knell / Dark green fritillary on thistle {Argynnis aglaja} UK

Steve Knell / Dark green fritillary on thistle {Argynnis aglaja} UK

Steve Knell / Small pearl bordered fritillary {Boloria selene} Scotland, UK

Jose B. Ruiz / Fritillary in flower {Fritillaria lusitanica} Alicante, Spain

John Downer / Snake's head fritillary (Fritillaries meleagris). North Meadow NNR, Wiltshire, England, UK, Europe

Yuri Shibnev / Fritillaries (Fritillaria ussuriensis) and (Hylomecon vernalis). Ussuriland, South Primorskiy, Russia

David Kjaer / Snakes head fritillary, pink variety {Fritillaria meleagris} North Meadow NNR, Wiltshire, UK

David Kjaer / Snakes head fritillary, white variety {Fritillaria meleagris} North Meadow NNR, Wiltshire, UK

David Kjaer / Snakes head fritillary {Fritillaria meleagris} North Meadow NNR, Wiltshire, UK

Pascal Tordeux / Burnet moth feeding on Devil's Bit Scabious (Succisa pratensis) flower. Picardy, France, July.

Niall Benvie / Snake's head fritillary {Fritillaria meleagris} purple and white morphs, Netherlands

Duncan Mcewan / Small pearl-bordered fritillary {Clossiana selene} Scotland UK

Duncan Mcewan / Dark Green Fritillary butterfly close-up showing coiled proboscis {Mesoacidalia aglaja}