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青杨天牛(Saperda populnea L)是为害杨树嫩枝幼干的重要害虫。幼虫钻蛀髓心,被害部位膨大形成虫瘿,易遭风折,严重影响苗木质量和林木成材。(见图)
Saperda populnea L is an important pest that harms poplar young shoots. Drilling moths larvae moths, the infested area swollen formation of mites, susceptible to the wind break, seriously affecting the quality of seedlings and trees. (See picture)