KLEA is a drone service that provides an opportunity for farmers to fight pest without pesticides. The service works with a high tech camera drone, that provides an early detection of pest infestation. In a second step, the drone releases beneficial insects precisely where they are needed. KLEA is not also an economic alternatice to the use of pesticides, but also a help for the farmer to maintain the biodoversitity of a field and stabilise it's ecosystem