Ecologists are warning about the spread of oak processional caterpillars, which can cause damaging reactions in both humans and dogs.
The ecology consultancy Arbtech has released a warning about oak processionary caterpillars, which are already a known issue in parts of London and the South East, but are beginning to spread to other parts of the country.
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The tiny hairs on the caterpillar contain a toxin that can trigger reactions, causing rashes, sore throats and breathing issues in humans, and vet visits for dogs.
The risk these caterpillars pose is highest during early summer, when their toxic nests appear on oak trees in woodland and public spaces.
These caterpillars are the larval stage of the oak processionary moth. If a processionary caterpillar or one of their nests is spotted, it should be reported to the Forestry Commission.
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