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棉花从播种一直到出苗、定苗和现蕾,总是不断的受着各种害虫的侵害。为害棉籽、幼茎和幼根的有种蝇、地老虎、蝼蛄、蛴螬等。为害棉苗影响现蕾的有棉蚜、棉红蜘蛛、蜗牛、蓟马、盲椿象、叶跳虫等。按地区划分,大致在北方棉区以地下害虫种蝇、棉蚜、棉红蜘蛛、盲椿象为害最严重,长江流域以地老虎、蜗牛、叶跳虫为害较严重。这些害虫,或者侵食棉籽影响出芽,或者咬断根茎形成缺苗断垅,或者为害叶片造成捲叶、红叶、破叶,抑制棉苗的生长和现蕾,也
Cotton from sowing to emergence, Dingmiao and budding, always subject to a variety of pests. Damage to cottonseed, young stems and young roots of a species of flies, tigers, 蝼 蛄, 蛴 螬 and so on. Cotton bud damage caused by cotton buds have aphids, cotton spider mites, snails, thrips, blind stinkbugs, leaf hoppers and so on. According to the area, the pest insects, cotton aphids, spider mites, and blind stinkbugs were most commonly affected in northern cotton areas. The damage to the tiger, snail and leaf hopper in the Yangtze River valley was the most serious. These pests, or affect cotton buds sprouting, or snapped rhizomes lack of seedlings broken, or damage caused by leaves rolling leaf, leaves, broken leaves, inhibiting the growth of cotton seedlings and buds, also