Surrey Residents Warned About Toxic Oak Processionary Moth Caterpillars
Warnings issued over toxic caterpillars

Image: The Bbc
Residents in Surrey, England, are cautioned about the oak processionary moth (OPM) caterpillars, which can cause skin rashes and respiratory issues. The council advises avoiding contact and reporting sightings to manage the pest effectively.
- 01The oak processionary moth (OPM) caterpillars are active in south-east England during late spring to early summer.
- 02Contact with the caterpillars can lead to skin rashes, sore throats, and breathing difficulties due to their toxic hairs.
- 03Residents are encouraged to report sightings to the appropriate authorities for safe removal of nests.
- 04OPM caterpillars were first introduced to England in 2005 and are now prevalent in Greater London and surrounding counties.
- 05The UK has designated areas free from OPM to prevent its spread, with restrictions on oak plant movements.
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Surrey residents are being alerted to the presence of oak processionary moth (OPM) caterpillars, which pose health risks to both humans and animals. Active from late spring to early summer, these caterpillars can be found primarily on oak trees and possess tiny hairs that contain toxins. Contact with these hairs can result in itchy skin rashes, sore throats, breathing difficulties, and eye irritation. Ellen Nicholson, Woking Borough Council's portfolio holder for green spaces, emphasized the importance of recognizing these caterpillars and maintaining a safe distance. Residents are advised to report any sightings to ensure safe removal of nests, while keeping children and pets away from affected trees. The OPM caterpillars were accidentally introduced to England in 2005 and are now established in much of Greater London and nearby counties. A government-led program aims to control their population and minimize their impact, while areas outside Greater London are designated as free from this pest, with restrictions on the movement of oak plants to prevent further spread.
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The presence of OPM caterpillars poses health risks to residents and pets in Surrey, necessitating public awareness and action.
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