麦蜘蛛是取食麦类叶、茎的害螨,在我国主要有麦长腿蜘蛛和麦圆蜘蛛两种。麦长腿蜘蛛主要发生于北纬34～43度地区为害,即长城以南、黄河以北的麦区,以干旱麦田发生普遍而严重。麦圆蜘蛛主要发生在北纬27～37度地区,水浇地或低湿阴凉的麦田发生较重。有些地区两种蜘蛛混合发生。 Wheat spider is to take wheat leaves, stems of the pest mites, mainly in our wheat long legs spider and wheat round spider two. Wheat long leg spiders mainly occurred in 34 ~ 43 degrees north latitude area of ​​?? damage, that is, south of the Great Wall, the Yellow River north of the wheat area, the occurrence of arid fields generally and severely. Amaryllis spider mainly occurs in the latitude 27 ~ 37 degrees area, irrigated or low humidity shady wheat crop occurred heavier. In some areas two kinds of spiders occur.