Robert Thompson / Orange tip butterfly (Anthocharis cardamines) female on Bluebell flower (Hyacinthoides non-scripta) Clare Glen, County Armagh, May.

David Kjaer / Orange tip butterfly (Anthocharis cardamines) male, visiting Herb Robert flower (Geranium robertianum) Wiltshire, England, UK, May.

David Kjaer / Orange tip butterfly (Anthocharis cardamines) female and male, visiting Honesty flower (Lunaria annua) Wiltshire, England, UK, May.

David Kjaer / Orange Tip butterfly (Anthocharis cardamines) female visiting Herb Robert flower (Geranium robertianum) Wiltshire, England

David Kjaer / Orange Tip butterfly (Anthocharis cardamines) female visiting Herb Robert flower (Geranium robertianum) Wiltshire, England, UK, May.

Andy Sands / Orange tip butterfly (Anthocharis cardamines) Male perched on Cowslip (Primula veris), Bedfordshire, England, UK, May

Jussi Murtosaari / Orange-tip (Anthocharis cardamines), male feeding from Wood Cranesbill (Geranium sylvaticum), Finland, June.

Lorraine Bennery / Orange tip butterfly (Anthocharis cardamines) female resting on Cuckooflower (Cardamine pratensis), Essonne, France, May.

Alex Hyde / Orange tip butterfly (Anthocharis cardamines) chrysalis on Garlic mustard (Alliaria petiolata) Peak District National Park, Derbyshire, UK, August.

Kim Taylor / Orange-tip butterfly (Anthocharis cardamines) caterpillar on Honesty (Lunaria annua) seed pod. Surrey, England, June.

Russell Cooper / Orange-tip butterfly (Anthocharis cardamines) male resting on a leaf wings closed, Southwest London, England, UK. April.

Kim Taylor / Tiny orange-tip butterfly (Colotis evagore). Gambia, Africa