Oak processionary moth
instar on, the larvae start building silken nests at the base of lower branches, on the trunks or at the base of the trunks, which may contain thousands [...] individuals. The larvae usually stay in their nests during the day leaving at night in a characteristic procession to feed in the canopy of the trees. If [...] larvae move away from the tree collectively to colonise another host nearby. At pupation time (late June, early July), the larvae spin cocoons inside the