Municipality Venray: biological control of oak processionary caterpillars
January 1, 1970
to Bergeijk, the results have been generally positive. ‘The trees that we have treated have been 90% cleared. What is interesting is that avenues running [...] to take curative action and extract the nests. But, on balance, Entonem makes a big difference to us in the fight against the oak processionary caterpillar [...] 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