this post was submitted on 22 May 2025
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UK Nature and Environment

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You would be fooled for thinking it is a frosty winter's morning or a Halloween scene, but a once-in-a-year phenomenon that puts a covering of white across trees, bushes and hedgerows is actually down to thousands of caterpillars.

The white webbing has been seen across the East of England this May, and is created on host plants by the larvae who protect themselves from predators before they turn into moths or butterflies.

East Anglian-based entomologist, Dr Ian Bedford, said: "Inside that net blanket is thousands and thousands of little caterpillars all munching on the leaves.

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