黄刺蛾是白城地区杨、榆、果树的主要害虫之一。近几年来,太平川、大安、增盛等林场的杨树幼林,都大面积遭受此虫的危害,每株树平均有虫5-10条,多者达百余条。此虫不但以幼虫取食叶片为害,更重要的是,由于老熟幼虫啃食树皮做茧越冬,常常造成大面积林木枯梢。根据黄刺蛾虫态不整齐,采用化学防治难度较大,而且自然界中有大量的寄生蜂,寄生蝇类等天敌的实际问题,我们遵照毛主席“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进”的教导,在省林 Yellow thorn moths are one of the major pests of poplar, elm and fruit trees in Baicheng area. In recent years, young poplar trees in the Taipingchuan, Daan, Zengsheng and other forest farms have been endangered by this pest over a large area. Each tree has an average of 5-10 pests and more than 100 peppers. This insects not only to larvae feeding leaves damage, more importantly, as mature larvae eat bark cocoon wintering, often resulting in a large area of ​​forest shrubs. According to the instability of the yellow-thorn moth, the use of chemical control difficult, and there are a large number of natural parasites, parasites and other natural enemies of the actual problem, we follow Chairman Mao, “mankind has always summed up the experience, we found, Some inventions, have created, some progress ”teaching, in the provincial forest