Municipality Venray: biological control of oak processionary caterpillars
January 1, 1970
during spraying in those places, which means that the nematodes are more easily blown away. In some cases, we have to take curative action and extract the [...] 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 [...] Venray. ‘We use nematodes at locations in outlying areas where there might be protected species of butterfly and moth. The major benefit of Entonem is that