异叶胡杨个木虱(Egeirotvioza sp.)又称胡杨瘤枝木虱,是胡杨幼苗期的主要害虫。1981—1986年,我们在农二师二十九团和三十四团对此虫进行了系统观察,现将结果报道如下。 一、分布及为害 异叶胡杨个木虱南北疆均有分布,它只为害胡杨树,无论当年生幼树还是百年以上的过熟树均受害,以幼苗和定植1—3年的幼树受害最重。苗圃幼苗新梢被害率达 Euploema pylori (Egeirotvioza sp.), Also known as Populus euphratica, is the main pest of Populus seedlings. From 1981 to 1986, we systematically observed the pests at Twenty-ninth and Twenty-four regiments of the Second Agricultural Division. The results are reported below. First, the distribution and damage Isoeophyte Populus each has a distribution of southern louse, it only harm poplar, regardless of the annual sapling or over a hundred years of over-ripe trees are victims, seedlings and colonization of 1-3 years of young The tree is hardest hit. Seedling shoots nursery shoots up to rate