我县为害板栗的主要害虫达11种之多,其中影响产量的主要害虫有剪枝象鼻虫、栗皮夜蛾和雪片象等。一般可使板栗减产百分之五十左右,深山区可达百分之八十以上,有的栗园甚至绝收。影响板栗质量的主要害虫是栗实象鼻虫,为害率一般在百分之三十左右,严重的深山区栗园可达百分之九十二点二。板栗由于连年虫 The main pests that damage the chestnut in our county are as many as 11 species, of which the main pests affecting the yield are weevils, chestnut-skin moths and snow flakes. Chestnut can generally reduce the output about 50 percent, up to 80 percent more than deep mountains, and some chestnut or even absolute. The main pests affecting the quality of chestnut are chestnut weevil, the damage rate is generally about 30%, the serious chestnut garden in the mountains up to 92.2%. Chestnut perennial pest