Fast breeding insects was due to abnormally warm winter. If pests are not destroyed, they could harm the entire ecosystem.

Caterpillars and butterflies of nun moth significantly damage the leaves and needles of trees. Another common in the Altai region of the parasite pine scoop. The destruction of these insects, the region received a subsidy from the Federal budget in the amount of 260 million rubles. These funds forest protection purchased biological insecticide, which is sprayed from the air over the forests of the Altai territory.