杨木蠹蛾,属鳞翅目木蠹蛾科,群众通称“树虫”(见图1),是杨树的主要蛀干害虫,广泛分布于我省东部河谷地区,为害性很大。在西宁地区危害株率达35.5—67.1％。此外,尚蛀害旱柳、河柳、沙棘。蛀害株大多残伤严重,树干畸形,木质异色,甚至濒于枯死,遇风易夭折(见图2)。对城乡绿化危害极大。为给防治 Populus woodworm moth, is a Lepidoptera moths moths, the masses known as the “tree worm” (see Figure 1), is the main borers of poplar, widely distributed in the eastern valley of the province, highly harmful. In Xining area hazardous strain rate of 35.5-67.1%. In addition, still eaten salix, willow, seabuckthorn. Most of the moth strains were seriously damaged, trunk deformities, woody color, and even on the verge of withered, died in the event of a wind failure (see Figure 2). Great harm to urban and rural greening. For prevention and treatment