从生长于我国和日本近海称为异足索沙蚕的环节动物中可分离出沙蚕毒素。沙蚕毒系农药即是从沙蚕毒素衍生出的一系列仿生合成杀虫剂 ,在我国以杀虫双为代表。该系列农药具有高效、广谱、中等毒性和低残留的特点 ,在我国南方地区使用较广泛 ,中毒病例时有发生。因杀虫双系国内特 Nereid toxin can be isolated from the part of the animals that grows in China and Japan off the coast of China, and is referred to as Xenopus. Nereis necrosis of the pesticide that is derived from Nereis textiles a series of biomimetic synthetic pesticides, insecticidal double in China as the representative. The series of pesticides with high efficiency, broad-spectrum, moderate toxicity and low residue characteristics, used more widely in southern China, poisoning cases have occurred. Due to insecticide double line domestic special