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地老虎是苗圃的主要害虫,其幼虫为害苗木最烈,常将距地面l~Zcm处的苗茎咬断,拖入穴中取食,还可爬到苗木上部取食嫩茎和幼芽,严重影响苗木生长,造成苗圃伤苗、缺苗。地老虎一年发生多代,其中以第一代为害最烈。但该虫为地下害虫且具夜出性,防治困难。过去多采用诱?
To the main tiger nursery pests, larvae damage the most intense nursery stock, often from the ground l ~ Zcm Department of seedlings cut off, dragged into the hole to eat, but also climbed to the upper seedlings feeding young stems and shoots, Seriously affect the growth of seedlings, nursery injury caused seedlings, lack of seedlings. To many generations of tigers a year, of which the first generation of the hardest hit. However, the pests and pests for the night out of nature, prevention and treatment difficulties. In the past to attract more?