Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem
witnessed the effect of Koppert’s nematode product Entonem on the oak processionary caterpillar. ‘We’ve been using nematodes for years. The product is [...] Wolterinck BV sprays the nematodes when the caterpillar egg casings begin to emerge. A second spraying may be needed, either of nematodes or of nematodes plus [...] Wolterinck BV is a staunch advocate of Entonem against the oak processionary caterpillar. Ivo de Groot continues, ‘The product has a guaranteed firm, preventive