The injury influences of Hemiberlesia pitysophila Takagi on the variations of secondary metabolites(tannin,flavonoid,phenolic compounds) contents of needle-leaves of Pinus massoniana were tested.

• 对受松突圆蚧不同程度为害的马尾松针叶主要次生物质的测定表明,不同受害程度的马尾松与其针叶内的次生物质含量呈显著的相关性。