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ｆｉｐｒｏｎｉｌ［（±）－５－氨基－１－（２，６－二氯－４－三氟甲基苯基）－４－三氟甲基－亚硫酰基－３－氰基吡唑］是一种对多种作物的地下与叶面害虫具有优异防效的新型吡唑类杀虫剂。１２０克（有效成分）／公顷施于土壤，能有效防治玉米根叶甲、金针虫和地老虎。２５～５０克（有效成分）／公顷叶面喷施，可防治马铃薯甲虫。小菜蛾、墨西哥棉铃象甲等。稻田中使用５０克（有效成分）／公顷可很好地防治螟虫、褐飞虱和稻水象甲。对菊酯类、环戊二烯类、有机磷及氨基甲酸酯类产生抗性的害虫对ｆｉｐｒｏｎｉｌ无交五抗性。
fipronil [(±) -5-Amino-1- (2,6-dichloro-4-trifluoromethylphenyl) -4- trifluoromethyl-sulfinyl-3-cyanopyrazole] A Novel Pyrazole Insecticide with Excellent Control Effect on Underground and Foliar Pests of Various Crops. 120 grams (active ingredient) / ha applied to the soil, can effectively prevent and control corn rootworm, pinworm and land tiger. 25 ~ 50 grams (active ingredient) / hectare foliar spray, can prevent potato beetle. Diamondback moth, Mexican boll weevil and so on. The use of 50 g (active ingredient) per hectare in paddy fields provides good control of stem borer, brown planthopper and rice water weevil. Insects that are resistant to pyrethroids, cyclopentadienes, organophosphorus and carbamates have no resistance to fipronil.