Takeaways:
- A large tortoiseshell butterfly, which has been extinct for half a century, has been discovered at Knepp in West Sussex.
- The lepidopterists have also found signs of its caterpillar consuming leaves of wych elm.
- Experts say the population of this butterfly may be rising in the UK as a response to climate change.
Click here to view the original web page at: Officially extinct butterfly ‘making a comeback’ in UK
