二斑叶螨是世界性重要害螨,群众俗称“白蜘蛛”。1996年,我们在沧州市郊区苹果园内首次发现二斑叶螨为害,近年又陆续发现其在小枣、梨、桃、葡萄、棉花、蔬菜、花卉上为害。证明二斑叶螨是典型的杂食性害螨。由于该螨抗药性极强,一些传统的有机氯、有机磷、菊酯类杀螨剂,防治效果不理想,有些年份二斑叶螨的危害相当 Two-spotted spider mite is an important pest mites worldwide, commonly known as the “white spider.” In 1996, we found the first two-spotted spider mites in apple orchards on the outskirts of Cangzhou City. In recent years, we have also found them harmful to jujube, pear, peach, grape, cotton, vegetables and flowers. Two-spotted spider mite is a typical omnivorous pest. Because of the mite resistance is extremely strong, some traditional organochlorine, organophosphate, pyrethrins acaricide, control effect is not ideal, in some years the harm of two-spotted spider mite