About this episode

Isabella Tree and Neil Hulme discuss the reintroduction of the black-veined white butterfly to Britain after a century of extinction.

Join Isabella Tree and butterfly man Neil Hulme as they anticipate the exciting reintroduction of the black-veined white – a butterfly that went extinct in Britain a hundred years ago. Standing in front of the cages at Knepp where butterflies recently imported from Spain have laid their eggs, Neil is like an anxious midwife. Will the caterpillars survive the winter and the various predators insinuating themselves through the netting? How many butterflies will emerge in spring for their releas...

People in this episode

Host: Isabella Tree

Guest: Neil Hulme

Topics covered

• butterfly reintroduction
• conservation
• biodiversity
• wildlife
• extinction
• Knepp estate

Keywords

• black-veined white
• butterfly
• reintroduction
• Knepp
• conservation
• extinction
• caterpillars
• wildlife
• biodiversity

Mentioned in this episode

Organizations: Knepp

Places: Britain, Spain

More episodes of The Knepp Wilding Podcast

• Bringing Back the Bison · August 31, 2026 · 34 min

Explore listener stats, chart rankings, contacts and more on the The Knepp Wilding Podcast podcast page.