【摘要】 对阿拉善草地几种主要害虫的生态环境、生物学特性、发生为害特点进行了研究。阿拉善草原大面积发生的害虫主要有白刺夜蛾、白刺粗角叶甲、巨膜长蝽、柽柳条叶甲和胡杨天幕毛虫 ,每年发生面积达 4 0 0万 hm2 ,严重发生区 ,造成荒漠植被连片死亡。为有效保护草地生态 ,研究并提出了对害虫治理的对策更多还原

【Abstract】 Ecological environment, biological and outbreak parameters of certain important pests were investigated in Alashan deserted grassland. These pests included Leiometopon simyrides Staud., Diorhabda sybakowi Weise., Jakowieffia setulosa (Jakovlev), diorhabda clongata desertieoca Chen and Malacosoma neustria testacea Motschulsky are widely distributed throughout the Alashan deserted grassland. About 400 million ha grasslands are attacked each year, heavy infestations of these pests result in severe plant mortality in large areas. Protection and control management are recommended.更多还原