梨卷叶象鼻虫,不仅为害苹果和梨,更严重的为害杨树。如1956年于盖平西站农场沙岗子生产队,该队防风林的大部分杨树,被其成虫为害而卷叶的约占30％左右;甚至有些杨树的叶子,几乎落光,以至造成当年又发第二次叶。对苹果和梨的为害虽不严重,可是在义县、兴城、沈阳等地区,都有发生。在东北过去的文献中,尚无记载。今将初步观察结果介绍于下,供有关同志参考。 Pear leaf roll weevil, not only harmful to apples and pears, more serious damage poplar. As in 1956 at the Gaopingzi Farm Sandy Bay Production Team, most of the poplar trees in the windbreak were about 30% curled by their adults and even some of the poplar leaves almost fell out and even caused Then made the second leaf. The damage to apples and pears is not serious, but in Yi County, Xingcheng, Shenyang and other areas, have occurred. In the past literature in the Northeast, there is no record. Now the preliminary observations will be introduced below for reference by the relevant comrades.