Oak Processionary Moth Thaumetopoea processionea Brochure EN
oak trees. The eggs hatch
in April. In their early life, the caterpillars have an orange colour
which later becomes a mottled grey. They can survive up [...] processionary
caterpillars. Apply this as soon as leaves appear as leaves have to be eaten by the caterpillars for effective control. Preferably spray
at