用果虫净防治梨木虱试验初报梨木虱属同翅目，木虱科，体形象蝉，是危害梨树的主要害虫之一。近年来，此虫在我区发生为害日趋严重，被害树早期落叶，果面污染，严重影响了果品的产量和品质。１９９５年以来，我们试用果虫净（辛、甲氰乳油）对其进行防治，收到了较好的效... Pest Insects Pear on the Prevention and Control of Pip Pests First report Pityriasis psittaci Homoptera, psyllids, body cicadas, is one of the major pests harm pears. In recent years, the insects in our area have become more and more serious damage, the victim trees early deciduous, fruit surface pollution, seriously affected the yield and quality of fruit. Since 1995, we try fruit net net (Xin, Cyanuric EC) to its control, received a better effect ...