日本黄脊土蝗(Patanga japonica Boliuar)近几年由于农田生态系的变化和气候条件所促使,在河北平山地区发生危害日趋严重,局部地区暴发成灾。据调查1989年古月镇寨北乡发生面积1.69万亩,其中每平方米5～30头的0.655万亩; In recent years, due to the change of farmland ecosystem and the climate conditions, Patanga japonica Boliuar has become more and more serious in the Pingshan area of ​​Hebei Province and the outbreak of the disaster in some areas. According to a survey of ancient towns in 1989, the town of Beixiang area of ​​16,900 mu, of which 5 to 30 heads per square meter of 0.655 mu;