介壳虫的虫体,被一层角质的甲壳包裹着,如用药物对它直接喷洒,不易奏效,往往久治不绝。它像吸人血的虱子一样,吸取植物的汁液,因而对花木造成极大的危害。被害株不但生长不良,还会引起叶片泛黄、或提早落叶。严重时全株枯萎而死亡。受其危害较多的花木有木兰、茉莉、山茶、含笑等等。现将简易的防治方法介绍如下,不妨一试: 1.用食醋(米醋)50毫升,将一小块棉球放入醋中浸湿,而后将浸湿的棉球在受害的花木的茎叶上轻轻揩擦,即可将介壳虫揩掉杀灭。这一方法既方便又安全,不但能达到防除虫害的目的,又可使植株被害的叶子重新返绿光亮。 Scale insects insects, was a layer of horny carapace wrapped, such as drugs directly sprayed on it, not easy to work, often long treatment. It sucks the juice of the plant like human blood-lice, which causes great damage to flowers and trees. Strain not only bad growth, but also cause leaves yellowing, or early deciduous. Severe whole plant withered and died. Harm more by its flowers Mulan, jasmine, camellia, smiling and so on. Now a simple method of prevention and treatment are described below, may wish to try: 1. With vinegar (vinegar) 50 ml, a small piece of cotton balls soaked in vinegar, and then soaked cotton balls in the victims of the stalk Gently rub on the leaves, you can kill the scale insects 揩 off. This method is both convenient and safe, not only to achieve the purpose of pest control, but also to plant the victim leaves back to the green light.