柑桔蚧类害虫的防治华宁县农技中心经作站６５２８００罗世俊柑桔果树上的蚧类害虫种类多，危害严重。这类害虫虫体较小，为雌、雄异型昆虫，雌虫虫体上常覆盖着各种粉状、毛状和丝状的蜡质分泌物保护层，附着于柑桔的枝、叶、果上吸食汁液进行危害，有一部分蚧虫吸取汁液... Citrus pest class pest control Huaying County Agricultural Technology Center Station No. 652800 Luo Shijun citrus fruit tree scale species of pests and more serious harm. Such pests smaller, female and male-shaped insects, female worms often covered with a variety of powdery, hairy and filamentous wax secretions protective layer attached to the branches, leaves, Fruit juice on the harm, there is a part of insects to learn juice ...