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近年来由于创建国家园林城市、生态市及全市交通主干道绿化景观建设的需要,昆山市以高羊茅为主的草坪面积逐年扩大,目前全市已有高羊茅草坪面积320hm2。面积的扩大为喜食高羊茅的淡剑贪夜蛾[Spodoptera depravata(Butler)](又名淡剑夜蛾、淡剑袭夜蛾)提供了丰富的食源。淡剑贪
In recent years, due to the need to create a national garden city, an ecological city and the greening landscape construction of the main roads of the whole city, the area of lawns dominated by tall fescue in Kunshan City has been expanding year by year. At present, the city has a high fescue lawn area of 320hm2. The expanded area provides a rich source of food for spodoptera depravata (Butler), also known as the light-headed armyworm (Spartina fulvarius). Light sword greed