Municipality Enschede: Entonem nematodes against oak processionary caterpillar
of the oak processionary caterpillar . The municipality’s built-up area has a total of 22,000 oak trees. In the past, the municipality only extracted the [...] Enschede. ‘We use Koppert’s nematode product Entonem in locations where we find a range of unusual butterflies and moths. As we only do this at an early stage [...] stage, there is no secondary effect on other caterpillars . We’ve treated a total of 2600 to 3000 oak trees with nematodes.’ Maintenance of biodiversity The