茶材小蠹是近年上升成为钻蛀危害荔枝、龙眼主干、主枝及秋梢结果母枝的新害虫。该虫钻蛀 2～ 3年生的枝条木质部甚至根基部且侵入孔狭小 ,世代重叠 ,防治难度极大。应用 1 6%虫线清乳油挑治扬飞期的茶材小蠹新成虫 ,40 0倍液药后 1 0天防效达 93 .4% ,采用干基打孔注药防治蠹害树 ,果树保存率达 94%以上 ,有效地控制了茶材小蠹的危害 ,达到有虫不成灾的水平。 Tea beetle is a new pest that has risen in recent years to become a drowning mother of litchi, longan trunk, main branch and autumn shoot. The insects boring 2 to 3 years old branch of the xylem or even the base of the invasion hole is small, generations overlap, prevention and control is extremely difficult. The application of 16% insecticidal cleansing oil picked Yang Feifei period young worm beetles, 40 0 ​​times after the drug control effect reached 93 .4% 10 days, Fruit tree preservation rate of 94% or more, effectively controlling the harm of tea beetles, reaching the level of insects.