Municipality Venray: biological control of oak processionary caterpillars
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 several [...] might be protected species of butterfly and moth. The major benefit of Entonem is that nematodes kill fewer other caterpillars , which means they are less [...] up on the political agenda, as well as being an important social issue.’ Entonem makes a big difference According to Bergeijk, the results have been generally