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遭受康氏粉蚧为害的蝴蝶兰,轻则花残叶败,重则整株死亡,令许多种植者头痛不已。康氏粉蚧(Pseudococcus Comstock)又名桑粉蚧,属于同翅目粉蚧科。是一种发生为害很广泛的介壳虫,可为害多种果树和花木,尤其以洋兰中的蝴蝶兰受害较重。1.为害特点主要由雌成虫和若虫为害,它们多附着在叶片靠近基部的叶背面、心叶上及花朵背萼片与花柄连接处、花瓣背面等部位,部分虫体附着在根系或花箭上,以刺吸式口器吸取植株的汁液。受害部位轻者形成黑点或黑斑,重者失水萎缩至枯死,失去商品价值。同时分
The phalaenopsis, which is damaged by Kang’s mealybugs, has lost its ability to leave the whole plant dead, leaving many growers with headaches. Pseudococcus Comstock (Pseudococcus Comstock), also known as mulberry mealybugs, belongs to the family Homoptera mealya. It is a kind of scale insects which is very harmful to animals. It can harm many kinds of fruit trees and flowers and trees, especially the heavier ones in the blue orchid. 1 harm mainly female adults and nymphs damage, they are more attached to the leaves near the base of the leaves on the back, the heart leaves and flower back sepals and pedicel junction, petals and other parts of the back, some parasites attached to the roots or arrows On the sucking mouthparts to absorb plant juice. Light parts of the victims of the formation of black spots or dark spots, severe dehydration shrink to dead, loss of commodity value. At the same time points