杨潜叶甲(Zeugophlora scutellaris Juffr)是杨树叶部的一种重要害虫,国内主要分布于辽宁、内蒙、新疆、黑龙江等地,国外分布于苏联、瑞典、中欧、北美等地。寄主有小叶扬、小青杨、加拿大杨、朝鲜杨、中东扬等,以幼虫潜入叶内,取食叶肉部分,使叶部形成黑色的潜痕,取食面积大约占1/2—2/3,抑制了檀株的正常生长,使叶片早期脱落。近年来,这种害虫在黑龙江省的一些地区为害十分严重,我们在双城县的联兴、五家、单城、新星等林场对农田防护林进行了调查,发现被害株率超过 Zeugophlora scutellaris Juffr is an important pest of poplar leaves. It is mainly distributed in Liaoning, Inner Mongolia, Xinjiang and Heilongjiang. It is distributed in the Soviet Union, Sweden, Central Europe and North America. The host Ye Xiaoyang, Young Poplar, Canada Yang, North Korea Yang, Middle East Yang, larvae sneak into the leaves, feeding the part of the leaves, so that the formation of the leaves of the black subduction, feeding area accounts for about 1 / 2-2 / 3, inhibiting the normal growth Tan Tan, the leaves fall off early. In recent years, this pest has been severely harmed in some areas of Heilongjiang Province. We conducted a survey on farmland shelterbelts in Lianxing, Wujiaocheng, Shancheng, Nova and other counties in Shuangcheng County and found that the rate of damaged plants exceeded