冬季在温室进行花木生产，往往因温度高，空气、土壤干燥、通气差，造成朱砂叶螨为害。这种害虫分布广，为害植物种类多，如梅花、扶桑、桂花、月季、茉莉、石竹、一串红等。朱砂叶螨在叶背靠近主脉周围为害，受害叶片正面最初可见小黄白点，逐渐变红，并有丝网，严重时红斑扩 Winter flowers and trees in the greenhouse production, often due to high temperature, air, dry soil, poor ventilation, resulting in damage caused by Tetranychus cinnabarinus. This pest is widely distributed, harmful plant species, such as plum, hibiscus, osmanthus, rose, jasmine, Dianthus, a bunch of red and so on. Tetranychus cinnabarinus in the back of the leaves near the main artery damage, the victim can be seen at the beginning of the small yellow-white spots on the front, gradually turning red, and a mesh, severe erythema