３％农不老ＥＣ通用名为吡虫清，又名定虫眯，是近年来开发成功的新产品。经试验证明，它对人畜的毒性很低，而对蚜虫、飞虱、粉虱和蛾类具有很高的活性，有效用量较低。为明确它对介壳虫的效果，作者于１９９９年进行了防治柑橘矢尖蚧的田间药效试验，现将结果整理如下。１材 3% of agricultural non-old EC common name for imidacloprid, also known as insects squint, is the successful development of new products in recent years. The test proved that it is very low toxicity to humans and animals, but to aphids, planthoppers, whiteflies and moths with high activity, low effective dose. In order to clarify its effect on scale insects, the authors conducted in 1999 to control Citrus sinensis scale field efficacy test, the results are summarized below. 1 material