幺蚰是一种杂食性昆虫 ,为害小麦、蔬菜、花卉、果苗 ,近年发现还为害成龄桔树的须根 ,而且相当普遍、严重。湖北省宜昌、秭归、京山都有发现。以往常常将幺蚰危害当成土壤缺乏微量元素或其他病害 ,在防治上对症 ,以致徒劳无功。为了解决柑桔生产上的这一新问题 ,我们于 1997— Unitary is a omnivorous insect, damage to wheat, vegetables, flowers, fruit seedlings, found in recent years also damaged adult orange tree fibrous roots, and quite common, serious. Hubei Yichang, Zigui, Jingshan have found. In the past often as a unitary harm as the lack of trace elements or other diseases of the soil, the symptomatic prevention and control, resulting in vain. In order to solve this new problem in citrus production,