patience, it has found more neighborhoods that the klar survey in 1995, how many times it entered shafii nationalter the start of one , the adult insect emerges from the skin outside the skin like a butterfly, which adult insects also for laying eggs , it hatches from roots to leaf eaters of white oak due to its high potential oviposition, rapid growth, high resistance, for the diet of single-eating oak leaves, they are considered the most important invasive species of the forests of these areas, the pest of leaves and buds is common in the areas of the oak forests of the province in tropical and temperate regions. the forests of the province have had adverse effects. at the beginning of the spring season, this insect started its activity and by feeding excessively on the green leaves , it caused yellowing and leaflessness of the trees, and consequently it leads to the drying of the trees, much faster , but for everything for the organization. natural resources and watershed management as the custodian of this department every year, with the allocated government budget, it carries out activities