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室内测定结果表明,杀虫剂啶虫咪对苹果绵蚜的天敌日光蜂蛹的羽化率、成虫的死亡率影响很小,对成虫的击倒率也低,属于2级微害产品;毒死蜱对蛹羽化率、成虫死亡率影响大,达到或接近4级有害产品标准;除虫菊和乙酰甲胺磷对日光蜂的毒性介于上述2种农药之间;印楝对蛹的羽化中度有害,但对成虫属微害。防治绵蚜要注意选用对日光蜂等天敌毒性较小的药剂。
The results of laboratory tests showed that the insecticide, pyridine and imazethapyr had little effect on the emergence rate of adult pupae and the adult mortality rate, but also on the adults. The rate of chlorpyrifos Pupa eclosion rate and adult mortality rate reached or approached to level 4 harmful product standard. The toxicity of pyrethrum and acephate to beeswax was between the above two kinds of pesticides. Neem was moderately harmful to pupa emergence but Micro-harmful to adults. Prevention and control of cotton aphids should pay attention to the selection of natural enemies such as sun bee poison smaller drugs.