论文部分内容阅读
云杉卷叶蛾原产于北美 ,是美国和加拿大东部北方云杉—冷杉林区周期性发生的毁灭性害虫 ,是最具破坏性的害虫之一 ,也是森林危害性最严重的害虫之一 ,在我国尚未有分布。1 名称云杉卷叶蛾 (枞卷叶蛾 ) ,ｓｐｒｕｃｅｂｕｄ ｗｏｒｍ ,ｅａｓｔｅｒｎｓｐｒｕｃｅｂｕｄｗｏｒ?
Spruce-leaf-rolling moth, native to North America, is a periodically devastating pest in the spruce-fir forest in the north of the United States and eastern Canada. It is one of the most devastating pests and one of the most devastating pests in the forest. My country has not yet been distributed. 1 Name Spruce Leafworm (Spruce Leafworm), sprucebud worm, easternsprucebudwor?