介壳虫,又名树虱。属同翅目、蚧总科,是许多果树、林木及花卉的一种主要害虫。1.种类介壳虫的种类很多,多达数百种,其中危害较重的有50多种。除白蜡虫等少数是经济益虫外,绝大多数对农林作物都有很大的为害。林业上常见的介壳虫有吹绵蚧、草履蚧、杨盾 Scale insects, also known as ticks. Is a Homoptera, scales General, is a lot of fruit trees, trees and flowers as a major pest. 1. Kinds of scale insects species many, up to hundreds, of which more than 50 kinds of harms. Except for a few such as whiteworms and other economic benefits, the vast majority of agricultural and forestry crops have a great deal of damage. Common scale insects on the forestry are blowing cottonseek grass, Carassius auratus, Yang shield