Acetamiprid belongs to a new-style insecticide known as chloro-neontictinoids. It was regarded as an important substitute of organophosphorus pesticides, and has beed extensively used worldwide.To our knowledge, no reports have been found to investigate the environmental behavior of acetamiprid up to now.Thus,information of the transformation of acetamiprid in environment is indispensable for an ecotoxicological evaluation of it.The hydrolysis and photolysis of acetamiprid were investigated thoroughly in th...