Number of annual generations
Normally from 1 to 5 generations a year depending on the weather; in the Mediterranean, there are usually 3.
Usually attacks weakened trees or dying ones, but when the population is high they may attack healthy ones. They dig galleries under the bark of the tree to feed on the phloem. This gallery construction paralyzes the flow of sap and can kill the affected tree.
Pheromone: Ipslab / Pinuswit
Trap: WitaTrap Multi Funnel / Multiwit