The oak processionary caterpillar grabs headlines every year for causing uncomfortable skin reactions. As pest control experts with years of experience, we share key advice to help you stay safe outdoors.
This is the larval stage of a specific moth species. Its stinging hairs pose a real risk to humans, triggering skin irritation, intense itching, and rashes. Sensitive individuals may experience more severe symptoms like eye inflammation, fever, vomiting, or pneumonia.
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During hot spells, these caterpillars descend lower in trees or even to the ground, making professional control harder and increasing human contact risks.
Threatened caterpillars release hairs that wind can carry to passersby, including walkers and cyclists. True to its name, it thrives in oak trees—best to give them a wide berth.
Avoid scratching or rubbing affected areas. Rinse skin or eyes thoroughly with water. Launder clothes at 60°C to eliminate hairs. Apply a cooling cream with menthol or aloe vera for relief. Seek medical help for severe reactions.
