自1986年11月初,在华南热作院试验农场十队首次发现银合欢异木虱危害以来,海南岛连续三年发生了此虫为害,范围遍及全岛所有的银合欢种植地,危害程度连年加重。银合欢异木虱(Heteropsylla cubona Crauford)属同翅目,木虱科(psyllidae)。主要危害银合欢嫩枝、嫩叶、老叶主脉两侧,受害的叶及嫩枝畸型卷曲,严重者植株幼嫩部分全部皱缩、萎蔫,新叶不能长出,光合作用受阻,生长不良,并形成簇枝,最后枝条上部干枯死亡。由于银合欢异木虱 Since the beginning of November 1986, Hainan Island suffered this pest for three consecutive years since its first discovery in the Tenth Farm of a pilot farm in South China’s Hot Workyard, covering all of the island’s habitats. Increase. Heteropsylla cubona Crauford is a Homoptera and psyllidae. The main harm to acacia twig, young leaves, old leaves on both sides of the main vein, the victim leaves and twigs deformity curly, in severe cases all young plants all shrinkage, wilting, new leaves can not grow, photosynthesis blocked, poor growth , And the formation of cluster branches, the last branches dry death. As symbiosis different plant lice