根土蝽又称麦根蝽象(Stibaropus fo-rmosanus Takado et yamag属局部发生型地下害虫,以刺吸式口器危害小麦的根部,从而影响小麦对养分和水分的吸收利用。同时排泄有毒物质,间接影响小麦的生长发育。根土蝽在我县的发生早在1953年即有记载,后经防治,面积大为减少。随着近几年耕作制度的改变,这种害虫又有回升趋势。但 Root bug, also known as Stibaropus fo-rmosanus Takado et yamag, is a locally-occurring underground pest that damages the roots of wheat with a sucking mouthpart and affects the uptake and utilization of nutrients and moisture in wheat, while excreting toxic substances , Indirectly affect the growth and development of wheat root stink bug occurred in our county as early as 1953 that recorded after the prevention and treatment, greatly reduced the area with the tillage system in recent years, the change in this pest again upward trend .but