Municipality Enschede: Entonem nematodes against oak processionary caterpillar
only do this at an early stage, there is no secondary effect on other caterpillars . We’ve treated a total of 2600 to 3000 oak trees with nematodes.’ Maintenance [...] biodiversity The municipality also used pheromone traps last summer, to help it to determine how many oak processionary caterpillar moths were still present in [...] methods have been used. ‘With that information, and based on the nuisance that we experience, we’ll be able to decide whether to expand the use of nematodes