Pistachio psyllids or sugar on the surface of the leaves and in more advanced Iranian Pistachio stages of jaundice, drying andLeaf complexity and premature leaf shedding in pistachio trees. During an outbreakSevere pest in summer, if no fight is done, the damage will be more severeThe germination buds (germination nodes) will fall off next year. sometimesThe damage to the psyllids is so great that the sugar created can be found under the trees in addition to the leavesSevere defoliation in infected orchards is one of the common symptoms of pistachio psyllid damageIt is summer.