蚜螨虫威可湿性粉剂是由山东省农业科学院蔬菜研究所科技人员经过长期优选高效杀虫助剂与速效杀虫新药进行科学配制而成。该药其毒性系数CTC仅为原药白鼠致死中量(LD_(50)的1/5,药后瓜果收获安全无毒期为5～7天。1996年室内和田间药效试验结果表明, Aphid mites Granville WP is by the Shandong Academy of Agricultural Sciences Institute of Vegetable Science and Technology through long-term optimization of efficient insecticide additives and quick-killing insecticide new scientific preparation. The toxicity coefficient CTC of the drug is only 1/5 of the LD_ (50) of the lethal dose of the original drug, and the safe and drug-free period of the drug is 5 to 7 days after harvesting.The results of indoor and field efficacy tests in 1996 showed that,