麦蜘蛛是麦田常发性害螨,主要有麦长腿蜘蛛和麦圆蜘蛛两种。在江苏省这两种麦蜘蛛常混合发生。麦蜘蛛以刺吸式口器刺吸小麦叶片汁液为害,受害麦叶出现针刺状白斑,严重时整张叶片呈灰白色,逐渐变黄、枯萎、死亡,造成减产。 Wheat spiders are the most common pests in wheat fields. They are mainly wheat long-legged spiders and wheat-round spiders. In Jiangsu Province, these two kinds of wheat spiders often mix. Wheat spider sucking suction mouthparts sucking the wheat leaf juice damage, the injured leaf appeared white needle acne, severe yellow leaves throughout the entire period, gradually turn yellow, withered, died, resulting in reduced production.