0引言玉米是叶城县主要粮食作物之一。近几年,玉米红蜘蛛在玉米田普遍发生,已成为为害玉米的主要害虫。1生活习性玉米红蜘蛛又称玉米叶螨,除危害玉米外,还危害棉花、豆类、花生、瓜类等,以成、若螨聚集植株叶背刺吸叶片汁液,被害处呈现失绿斑点或条斑,严重时整个叶片变白干枯。玉米出苗后,在杂草 0 Introduction Corn is one of the major cereal crops in Yecheng County. In recent years, corn spider mites commonly occur in corn fields, has become the main pest damage to corn. A habit of corn spider mite, also known as maize spider mite, in addition to damaging the corn, but also endanger the cotton, beans, peanuts, melons, etc., as if the mites gather leaves of the plant leaves back sucking leaves juice, Or streaks, severe white leaves withered dry. After emergence of corn, weeds