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近几年来随着茄子大面积栽培,茶黄螨的危害越来越重,轻者减产20％,重者减产50％～70％,给菜农造成了很大的经济损失。 1.茶黄螨虫体特征 茶黄螨虫体很小,肉眼不易看见。成螨为卵形,约0.2mm,乳白色或淡黄色,有光泽,8只足,幼螨更小,半透明。卵为椭圆形,长约0.1mm,表面有白色疣状小突起,呈纵向排列。茶黄螨的繁殖速度很快,高温季节5天繁殖一代,孤雌生殖,成螨后1～3天即可产卵,1头雌虫可产100余粒。
In recent years, with the large-scale cultivation of eggplant, the damage of tea yellow mite is more and more serious, light output reduced 20%, heavy output reduced 50% to 70%, vegetable farmers caused great economic losses. 1. Ochara mite body characteristics Ophiopogon mite body is small, the naked eye is not easy to see. Mites into oval, about 0.2mm, milky white or light yellow, shiny, 8 feet, young mites smaller, translucent. Egg oval, about 0.1mm, the surface of white verrucous small protrusions, were arranged vertically. Euproctis reproduce very fast, 5 days breeding season in high temperatures, parthenogenesis, adult mites after 1 to 3 days to lay eggs, a female can produce more than 100 tablets.