吐鲁番地区杨树分布很广,它生长迅速,材质优良,是营造防护林、绿化城市及四旁植树的主要速生树种,深受当地群众喜爱,每年还以成万树苗支援乌鲁木齐市的绿化.近年来,吉丁虫对杨树的为害,日趋严重.幼虫蛀食树干、树根,降低杨树材质的工艺价值,同时也严重影响到树木生长.发生较重时,可使树木败坏,易被风折和病菌侵害;发生严重时,大树、苗木及新造幼林成行成片枯死,直接影响生产.为了摸清杨树吉丁虫的种类、生活习性、发生规律及探索有效防治方 Poplar area is widely distributed in Turpan, it grows rapidly, the material is good, is to create shelterbelt, green city and planting trees around the main fast-growing tree species, deeply loved by local people, but also to million trees in Urumqi every year to support the green .In recent years, The damage caused by poplar is more and more serious.Large insects eat tree trunks and roots and reduce the craft value of poplar, meanwhile, they also seriously affect the growth of trees.When heavier, And germs; in serious cases, trees, seedlings and new adult forest into a row into pieces die, directly affect the production.In order to find out the species, habits, occurrence rules and explore the effective prevention and treatment side