刺绵蚧是诱发油茶煤污病的主要媒介,病虫之间的关系是:霉菌菌丝体表生,以刺绵蚧蜜汁为滋养,因此只要扑灭害虫,中断蜜源,该病自然消灭。 黑缘红瓢虫寿命长、食虫量大,是刺绵蚧强大的天敌,在生产实践中,利用调整群体自然分布数量,适时放养和汇收,就能有效地控制煤污病的发生。 Acacia melanogaster is the main medium to induce oil-tea coal smudge disease. The relationship between pests and diseases is that mycelia of molds are superficially nourished by the honey of Acacia crassipes, so as long as the pests are exterminated and the nectar source is disrupted, the disease naturally exterminates. Black ladybugs have a long lifespan and a large amount of insects and insects. They are powerful natural enemies of Acacia crassipes. In practice, the occurrence of coal-borne diseases can be effectively controlled by adjusting the number of natural populations and timely stocking and recharging.