茶黄螨的发生与危害茶黄螨虫体很小,肉眼看不见,但繁殖很快,在28～32℃时,4～5天繁殖一代,在18～20℃时,7～10天一代,一年可发生25代左右。主要在大棚温室内繁殖危害,其危害部位为植株顶部嫩叶,当嫩叶变老时,即由老叶转向新 Occurrence and damage of tea yellow mite Theophilia is very small, invisible to the naked eye, but reproduce quickly, at 28 ~ 32 ℃, 4 to 5 days breeding, at 18 ~ 20 ℃, 7 to 10 days generation, About 25 generations a year can occur. Mainly in the greenhouse greenhouse reproductive harm, the harm of parts of the top leaves of young plants, when young leaves become old, that is, from the old leaves to the new