Pearl-bordered fritillary  (Boloria euphrosyne)

Pearl-bordered fritillary egg

© Peter Eeles

Pearl-bordered fritillary caterpillar

© Simon Colmer / naturepl.com

Pearl-bordered fritillary caterpillar

© Martin Warren / British Butterfly Conservation Society Ltd

Pearl-bordered fritillary caterpillars hibernating

© Martin Warren / British Butterfly Conservation Society Ltd

Pearl-bordered fritillary

© Karen Nichols

Pearl-bordered fritillary

© Richard Ek

Pearl-bordered fritillary

© Jack A. Bailey / www.ardea.com

Pearl-bordered fritillary

© Ivor Chuter / www.nhpa.co.uk

Pearl-bordered fritillary at rest on bracken with wings closed

© David Kjaer / naturepl.com

Pearl-bordered fritillary

© David Element

Pearl-bordered fritillary

© Stephen Davis

Pearl-bordered fritillary

© John Mason / www.ardea.com

Pearl-bordered fritillary

© Peter Entwistle / www.flpa-images.co.uk

Pearl-bordered fritillary

© Alec S. Hammer / Natural Image

Pearl-bordered fritillary wing detail

© Gilles San Martin

Pearl-bordered fritillary underside

© Richard Ek

Two pearl-bordered fritillary adults

© Les Catchick

Two pearl-bordered fritillary adults

© Roger Wilmshurst / www.flpa-images.co.uk

Pearl-bordered fritillary

© Laurie Campbell / www.nhpa.co.uk

Pearl-bordered fritillary feeding

© John Poland

Pearl-bordered fritillary adults mating on bluebell

© Peter Entwistle / www.flpa-images.co.uk

Pearl-bordered fritillaries mating

© Martin Warren / British Butterfly Conservation Society Ltd

Pearl-bordered fritillary habitat

© British Butterfly Conservation Society Ltd