(1)合理调整作物布局各类麦虫赖以猖獗发生的植物寄主以作物为主。合理的作物布局,是在充分发挥水、土、热等自然潜力下,协调生物资源,以满足社会的最大经济需要,符合农业总体利益为目的。麦虫防治工作应考虑合理的布局,借以削弱麦虫的寄主食物链,使之不能递增,有利于天敌的转移和保持,是控制麦虫的根本性措施。冬、春麦混种的麦二叉蚜常灾区(代表地区:南疆、河西),以及早播冬麦地带麦二 (1) Reasonable adjustment of crop layout All kinds of plants and insects on which the occurrence of rampant plants are mainly crop-based. Reasonable crop layout is to coordinate biological resources under the full potential of water, soil and heat to meet the maximum economic needs of the community and to meet the overall interests of agriculture. The prevention and control of the insects should consider the reasonable layout, in order to weaken the host food chain of the wheat insects, so that it can not increase, is conducive to the transfer and retention of natural enemies, is the fundamental measure to control the wheat insects. Winter and spring wheat mixed bifidus aphids commonly affected areas (on behalf of: southern Xinjiang, Hexi), as well as early sowing wheat field Mai two