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桃四黄斑吉丁ＰｔｏｓｉｍａｃｈｉｎｅｎｓｉｓＭａｒｓ以幼虫钻蛀桃树枝干，此虫在泰安地区一年１代，以幼虫越冬，成虫于５至６月份出现，防治措施应以农业措施为主
Peach four spots PtinimachinensisMarine PtosimachinensisMars larvae pests peach stem, the insect in Tai’an a year a generation to larva overwinter, adults appear from May to June, the prevention and control measures should be based on agricultural measures