调查发现黑刺粉虱猖獗危害铜仁地区的绿化树樟树,株危害率可高达91.5%,每叶虫量可高达81.2头,最高可达425头,平均百叶虫量可高达624.5头,最高百叶虫量可达61594头。本文研究该害虫的危害特点、爆发原因、生活习性及消长规律,探索有效的防治措施,具有良好的经济效益、生态效益和社会效益。 The survey found that blackfly whitefly rampant endangering Tongren green tree camphor trees, the strain rate as high as 91.5%, the number of insect per leaf up to 81.2, up to 425, the average amount of 1001 insects as high as 100% The amount of up to 61594 head. In this paper, the harmful characteristics of the pest, the causes of the outbreak, the habits of life and the growth and decline of the pests were explored, and effective prevention and control measures were explored, which had good economic, ecological and social benefits.