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杨圆蚧是我区杨树毁灭性害虫之一。近年来,由于杨圆蚧的危害,杨树大量死亡,影响了成林成材,造成很大损失。杨圆蚧在我区分布于呼市、包头、乌盟和林城、凉城、丰镇、察右前旗、商都、集宁、伊盟的达旗、准旗、海勃湾等地,危害面积近10万亩,主要危害小叶杨、钻天杨、银白杨、青杨、旱柳。1973年我区有关部门组成杨圆蚧防治小组,对其生物学特性进行观察,并做了大面积防治试验,取得了一定的成效。
Yang Kuwana is one of the devastating poplar pests in our district. In recent years, due to the dangers of Yang Kuwana, a large number of poplars died, affecting the success of the forest, resulting in great losses. Yang Kuwana in my area are located in Hohhot, Baotou, Umhlang and Lincheng, Liangcheng, Fengzhen, Chazhengqianqi, Shangdu, Jining, Yi League’s flag, quasi-flag, Haibowan and other places, the hazards The area of nearly 10 acres, the main hazards poplar, Drilling days Poplar, Poplar, Poplar, Salix. In 1973, the relevant departments of our zone formed the Yangbaochang prevention and control group, observed its biological characteristics, and made a large-scale prevention and control experiment, and achieved certain results.