1·Primary vectors for transmitting phytoplasma are insects feeding on the sap of phloem, such as leafhopper, and psylla.
植原体病原主要依靠吸食植物韧皮部的昆虫介体传播，如叶蝉、木虱等。
2·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。
3·The laboratory and field experiments showed that the green leafhopper had a preference for yellow green and pale green.
室内外试验的结果基本一致，即假眼小绿叶蝉偏嗜黄绿色、浅绿色。
4·Sticky traps for trapping and killing to have good result to the small insects, such as aphids, whitefly, Leafhopper, vegetable leaf miner, thrips, etc.
粘虫胶诱杀技术对于小型昆虫如蚜虫、粉虱、叶蝉、斑潜蝇、蓟马等有着良好的效果。