杨树跳象(虫甲)属鞘翅目,象鼻虫科,是一种用材林害虫,为害白杨,毛白杨,加拿大杨、唐柳杨等多种林木。国内未见报道。其成虫、幼虫皆能为害,成虫啃食叶表,幼虫潜入叶片取食叶肉。根据1980—1982年在我省易县西陵区一带调查,杨树叶被害率平均在45%左右,一般每个被害叶内有虫1—3头,轻度被害叶片因叶肉部分被取食而影响光 Poplar jumping elephants (insects) is a Coleoptera, weevil family, is a timber forest pests, aspen Poplar, Populus, Canada Yang, Tang Liu Yang and other trees. No domestic reports. Its adults, larvae can harm, adult eating gnome leaf table, larvae sneak into the leaves and feeding the mesophyll. According to the survey conducted in 1980-1982 in Xiling District, Yixian County of our province, the average damage rate of poplar leaves was about 45%. Generally 1-3 insects were found in the leaves of each victim, and the lightly harvested leaves were affected by the partial feeding of the leaf parts Light