渔业生产中敌百虫因其具有杀虫广谱、高效、低毒的特点 ,是杀灭鱼类指环虫的常用药品。但是 ,近年来由于鳜鱼、鲈鱼、黄颡鱼、淡水白鲳等名、优鱼类的单养和套养面积扩大 ,且这些鱼对于敌百虫等有机磷杀虫剂的敏感 ,生产上迫切需要有新的替代药品。指环必克的活性杀虫成份是由 Trichlorfon in fisheries production because of its broad-spectrum insecticidal, high efficiency, low toxicity, is commonly used drugs to kill finger worms. However, in recent years, due to the bream, perch, yellow catfish, freshwater whitefly and other names, excellent fish monoculture and nursery area expansion, and these fish for trichlorfon and other organophosphate pesticides sensitive to production There is an urgent need for new alternative medicines. Ring Bike active insecticidal ingredients are