Processionary caterpillar treatment
Pine or oak processionary caterpillars: their urticating hairs are a real risk for your family, pets and trees. Our technicians work in full protective gear to remove nests and secure your outdoor spaces for good.
Our method
How an intervention unfolds
Inspection
Locating nests (cocoons) in pines and oaks and assessing the level of infestation on your property.
Nest pruning
Safe cutting and removal of nests up in the branches, with full protective equipment against urticating hairs.
Collar installation
Fitting eco-friendly trapping collars around the trunk to intercept caterpillars as they descend.
Follow-up
A spring check-up and prevention advice to limit new nests, backed by our 6-month guarantee.
Our approach
A safe intervention, without harsh pesticides
Safe intervention
Full protective equipment for our technicians: urticating hairs are dangerous on contact and by inhalation.
Eco-friendly collars
Collar trapping uses no pesticide at all: a solution that respects your trees and the surrounding wildlife.
6-month guarantee
If the problem reappears within 6 months, the re-treatment itself is free (a €50 call-out fee applies).
See the terms →Spotted a processionary nest?
Don't wait for the caterpillars to hatch: the earlier we act, the simpler the intervention. Available 24/7.
Call now · +33 6 99 36 92 17Frequently asked questions
Processionary caterpillars: what to know
Want to know more about identification and risks? Read our complete processionary caterpillars guide or our pricing page.
Their microscopic urticating hairs cause skin, eye and respiratory reactions in humans, and can be especially serious for dogs (tongue necrosis if licked or touched).
On pines, the nest forms a silky white cocoon hanging in the branches. On oaks, caterpillars live in a more discreet nest and move in the characteristic single-file "procession" along the trunk.
A device fitted around the trunk that intercepts caterpillars as they descend from the tree to bury themselves and pupate, without any pesticide involved.
Nest pruning is best done in autumn or winter, before hatching. Collars must be installed before the spring descent of the caterpillars, generally between January and March.
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