ENTOMOLOGIZES FACTORY IN THE PROCESS OF SPREADING COMMON PINE ROOT SPONGE UNDER THE CONDITIONS OF SHIP TIMBER FORESTRY OF STATE ENTERPRISE “ZHYTOMYR FORESTRY”

The article studies the species varieties of forest insects in the centers of attack with determination of the tree stocking degree. The major insect species are represented by such samilies as bark beetlesipidae capricon betles – Cerambycidae. The artice considers the effect of insect on common pipe decaying in the location of pine fungus. It has been substantiated that the formalion of forest insect attack centers depend on the age of trees. Concentration of larger and lasser pine – shoot beetles dominates in the forest of 40 years of age. They intensify the effect of pine fungus with further weakening the trees. Following the results of investigation it has been determined that such insects as larger pine-shoot beetle lesser pine-shoot beetle, black pine Capricorn beetle, blue pine char cool beetle, Curkulio glandium are the synergist of Heterobasidion annosum finvader.