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Chester Zoo

Climate love

Race to save critically endangered insect in North Wales

Conservationists at Chester Zoo have become the first in Europe to successfully breed a critically endangered insect that was feared extinct for 22 years.

Having not been recorded since 1995, two small populations of Scarce Yellow Sally Stonefly were found in the River Dee in North Wales – believed to be the only remaining location for the species in the UK.

Staff at the conservation zoo, renowned for its work to bring species back from the brink, were called in by Buglife Cymru to start an emergency breeding effort – part of a rescue mission to save the species from extinction following its rediscovery.

Scarce Yellow Sally Stonefly is a critically endangered species that was first identified in the River Dee in 1959 and was regularly recorded up until 1995, when subsequent surveys failed to locate any living populations in the UK. The species was presumed to have gone extinct in Britain, while a small number of populations were diminishing across Eastern Europe.

In 2022, conservationists from wildlife charities Buglife Cymru, Chester Zoo, the Welsh Dee Trust and freshwater invertebrate specialist John Davy-Bowker set about sampling and carefully collecting a small number of the stoneflies from the areas where they were rediscovered.

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17 more agrees trigger social media ads

  • winnie nguru

    42 w

    I love that we are now saving the insects as well not just animals. Good job


      42 w

      Every living thing should be prevented to become extinct

      • rosebellendiritu

        42 w

        We may look down upon those insects thinking they are small but they are as important as the big ones,hence the need to save them too

        • Hilda Wangui

          42 w

          @rosebellendiritu very true insects play a key role in the environment hence needs protection from extinction

        • Elizabeth Gathigia

          42 w

          This good news, they should be protected from going to Extinction

        • Ajema Lydiah

          42 w

          All animals and insects should be prevented from extinction

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