Municipality Venray: biological control of oak processionary caterpillars
caterpillar for several years,’ explains Joep van Bergeijk, coordinator of oak processionary caterpillar management for the Municipality of Venray. ‘We [...] protected species of butterfly and moth. The major benefit of Entonem is that nematodes kill fewer other caterpillars , which means they are less harmful [...] In the Municipality of Venray a third of the tree stock in the area, some 11,000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as