螨是蘑菇栽培中危害极大的蛛形类害虫，俗称菌虱，常见的有根螨、跌线螨、长足螨、红蜘蛛等。螨类主要以若螨或成螨为害菌丝体，将菌丝咬断而食；也会将子实体蛀食成孔洞，菇体色泽转为褐色或失去光泽。有的被害部位出现褐色病斑。危害严重时，蘑菇覆土粒或菇盖完全被浅灰色“ Mites is a great harm to the cultivation of mushrooms arachnids, commonly known as lice, the common root mites, mites, mites, spider mites and so on. Mites are mainly mites or mites damage mycelium, the hyphae snapped and eat; will also submerged body fruiting body into holes, mushroom body color to brown or tarnished. Some spots of brown spot appear damaged. Harmful, mushroom cover soil or mushroom cover completely light gray "