实验结果表明：二斑叶螨卵期不存在密度效应；
诱导滞育实验表明：短日照和低温是诱导二斑叶螨发生滞育的主要因子。
The experiments of diapause induction showed that both short daylength and low temperature were major factors of diapause induction in t.
本文介绍了二斑叶螨在我国的危害情况和发生规律，分析了其发生与危害的特点，并提出了有效防治对策。
The occurrence characteristics and the harm situation caused by Tetranychus urticae this mite was reported. The control methods against this mite were discussed.
昌黎地区酿酒葡萄园害虫主要有19种，其中主要害虫有绿盲蝽、葡萄二星叶蝉、金龟子、斑衣蜡蝉、葡萄短须螨、葡萄天蛾、葡萄虎蛾、葡萄锈壁虱等。
In Changli, there were 19 pests harming vine grape. The main pest were green canker worm, two-star leafhopper of grape, dorbeetle, wax cicada, acarus, hawkmoth, tiger moth, rust tick etc.
昌黎地区酿酒葡萄园害虫主要有19种，其中主要害虫有绿盲蝽、葡萄二星叶蝉、金龟子、斑衣蜡蝉、葡萄短须螨、葡萄天蛾、葡萄虎蛾、葡萄锈壁虱等。
In Changli, there were 19 pests harming vine grape. The main pest were green canker worm, two-star leafhopper of grape, dorbeetle, wax cicada, acarus, hawkmoth, tiger moth, rust tick etc.
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