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苹果小吉丁虫的发生与防治王以胜（江苏省丰县套楼乡林果站２２１７００）苹果小吉丁虫为害苹果、海棠及山楂等果树，以幼虫在大树、幼树及苗木枝干皮层内蛀食，并逐渐蛀食形成层和少量木质部，造成枝干开裂枯死。在江苏省丰县观察，一般一年１代，以幼虫在枝干形成层蛀道...
Occurrence and control of apple jiadingjian Wang Yisheng (Linuo station, shenlouxiang, fengxian county, jiangsu province) 221700 Apple jiadingling infestation apple, begonia and hawthorn and other fruit trees, larvae eaten in tree, young tree and seedling branches and cortex , And gradually eaten layer and a small amount of xylem, causing the branches dry cracked. Observed in Feng County, Jiangsu Province, the general one year a generation to larvae in the stem formation layer of tunnels ...