Articles about processionary caterpillars

All our advice and news on this topic.

3 article(s)

A line of pine processionary caterpillars moving in a tight procession on tree bark

Processionary caterpillars: mating disruption via paintball tested in Saint-Jean (31) in July 2026

In Saint-Jean, near Toulouse, the city hall is firing synthetic pheromone beads from paintball guns to saturate the air and disorient male moths. Here is how the method works, its limits, and the right reflexes to keep.

Published on July 22, 2026 · 8 min read
Close-up of an oak processionary caterpillar covered in urticating hairs

Oak processionary caterpillar: the summer 2026 health risk

Stinging rashes, asthma attacks, dogs at risk: the oak processionary caterpillar (Thaumetopoea processionea) stays active until August. Here is the 2026 framework and the right reflexes to adopt.

Published on July 15, 2026 · 4 min read
Line of pine processionary caterpillars moving in procession on the ground

Processionary caterpillars: an urticating pest classified as a health hazard

Classified as harmful to human health since 2022, pine and oak processionary caterpillars are spreading northward. Here is how to recognise them, protect your family and pets, and react effectively.

Published on July 9, 2026 · 3 min read

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