广西是茯苓的主产区,年总产量约占全国的80％。种植茯苓是当地苓农的一项主要副业。但在茯苓生产上一直存在着受白蚁危害问题。据调查,每年茯苓生产因受白蚁危害而减产一般在5～20％,重者达80％。为此,1985年以来我们深入茯苓产区,对茯苓白蚁的为害习性及发生环境因素等进行了一些观察研究,现将初步结果整理如下。 Guangxi is the main producing area of ​​Poria, the annual output accounts for about 80% of the country. Planting Poria is a major afforestation of local Ling agriculture. However, the production of tuckahoe has been affected by termite damage. According to the survey, annual production of Poria due to termite damage is generally reduced by 5 to 20%, in severe cases up to 80%. To this end, since 1985, we have in-depth Poria producing areas, the harmful habits of tuckahoe termites and the occurrence of environmental factors were some observations, the preliminary results are summarized below.