杀虫环又叫易卫杀,属沙蚕毒素类杀虫剂。其杀虫性能与杀虫双、杀螟丹相同,但对害虫作用迟缓,中毒轻的害虫能复活,持效期较短。对人畜毒性中等。原药为杀虫环的草酸盐,可溶于水,因而加工产品为50%可溶性粉剂。对鳞翅目、鞘翅目、同翅目害虫有 Insecticidal ring, also known as easy to kill, are Nereis textiles insecticides. Its insecticidal properties and insecticidal double, Cartap the same, but the role of pests slow, light poisonous pests can be revived, shorter duration. Toxicity to humans and animals medium. The original drug insecticidal ring oxalate, soluble in water, which processed products as 50% soluble powder. Lepidoptera, Coleoptera, Homoptera pests are