Municipality Venray: biological control of oak processionary caterpillars
area, some 11,000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as a curative measure against the oak processionary caterpillar for [...] for several years,’ explains Joep van Bergeijk, coordinator of oak processionary caterpillar management for the Municipality of Venray. ‘We use nematodes [...] is interesting is that avenues running east to west are typically free of oak processionary caterpillar, while those running north to south still have some