蚧壳虫类(含吹绵蚧、盾蚧、蜡蚧等)属热带和温带地区水果及花卉作物的重要害虫。这种害虫常群集于叶背或幼嫩枝条上吸取树液,水果被害后叶片变黄脱落,生势衰弱,甚至枯死。同时由于它分泌蜜露于枝条及叶片上,极易引发煤烟病,影响光合作用。随着荔枝、龙眼、芒果、菠萝等水果种植面积不断扩大,蚧壳虫类蔓延扩展的危害更大,严重影响水果产量和品质。对这类害虫防治,应引起广大果农的高度注意。 Scale insects (including blowing mealybugs, shield scales, wax scale, etc.) is a tropical and temperate fruit and flower crops important pests. Such insects often cluster in the leaves or young shoots to draw the sap, leaves harvested after the fruit turns yellow, weak health potential, or even dead. At the same time as it secretes honey dew on the branches and leaves, can easily lead to soot disease, affecting photosynthesis. As litchi, longan, mango, pineapple and other fruit growing area, scale insects spread more harmful to the spread, seriously affecting the fruit yield and quality. The prevention and control of such pests should attract the great attention of the majority of farmers.