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1·Larvicidal oil or larvicide (such as temephos, Bacillus thuringiensis subspecies israelensis etc.) can be applied to stagnant water.

可向积水中加入蚊油或杀幼虫剂（例如双硫磷、杆菌属亚种苏云金杆菌等）。

2·Larvicidal oil or larvicide (such as temephos, Bacillus thuringiensis subspecies israelensis etc. ) can be applied to stagnant water directly with dosage according to the label instructions.

须直接向积水用蚊油或杀幼虫剂（例如相硫磷、杆菌属亚种苏云金杆菌等），按照标签上所列明的剂量。