Municipality Venray: biological control of oak processionary caterpillars
is that avenues running east to west are typically free of oak processionary caterpillar, while those running north to south still have some nests. It [...] away. In some cases, we have to take curative action and extract the nests. But, on balance, Entonem makes a big difference to us in the fight against the [...] third of the tree stock in the area, some 11,000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as a curative measure against the oak