THE MASS OUTBREAK OF THE QUANTITY OF <i>YPONOMEUTA CAGNAGELLUS </i>(HÜBNER, 1813)(LEPIDOPTERA, YPONOMEUTIDAE) IN THE FOREST-PARK ZONE OF SARATOV IN 2018 YEAR
From the end of May to the mid-July 2018, in the forest-park area of the city Saratov - «Kumysnaya Polyana» marked a massive outbreak of Yponomeuta cagnagellus, which led to damage in the undergrowth of spindle tree ( Euonymus verrucosus ) to 80-100% of its project coverage throughout the forest area.