Stock Photo - 11 May 2022, Baden-Wuerttemberg, Langenau: Flight helper Timo Schardon opens a canister containing the biological insecticide Foray ES in front of an AS350 helicopter in an oak forest. In recent years, this area of forest has been particularly affected by the oak processionary moth, which is why the responsible forestry authority has had pesticides applied from the air over large areas. Photo: Stefan Puchner/dpa. - Langenau/Baden-Wuerttemberg/Germany

Stock Photo: 11 May 2022, Baden-Wuerttemberg, Langenau: Flight helper Timo Schardon opens a canister containing the biological insecticide Foray ES in front of an AS350.

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