据1月18日国家林业局森林病虫害防治中心发布预测,今年全国林业有害生物仍呈偏重发生态势,预计全年主要林业有害生物发生面积970万公顷,同比增加2.54%。今年,我国松毛虫害发生总体平稳,长江以南局部成灾加重。在第一代松毛虫发生区将局部造成较为严重的灾害,第二代马尾松毛虫发 According to the January 18 Forest Disease and Pest Control Center of the State Forestry Administration released forecast that this year the national forestry pest still appears to be more serious trend is expected that the annual main forestry pests occurring area 9.7 million hectares, an increase of 2.54%. This year, the overall occurrence of pine caterpillars in our country has been generally steady, and the local disaster south of the Yangtze River has worsened. In the first generation of Dendrolimus occurred in the area will cause more serious disaster, the second generation of Masson Pine Caterpillar