Overview

• Unprecedented nest densities have been recorded in Saxony and Mecklenburg-Vorpommern this summer.
• Oak processionary caterpillar outbreaks are stripping oaks of foliage and threatening tree health and survival.
• Microscopic hairs from the larvae can trigger severe allergic skin reactions and respiratory inflammation in humans.
• Teams in full protective suits are targeting high-risk sites such as bathing areas and kindergartens to remove nests this season.
• Authorities are using this year’s infestation data to plan helicopter biocide spraying next spring following a similar operation in 2023.