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湖南洞庭湖各产荻区及湖北省石首等县市的近百万亩荻田,均有叶螨分布,已有记载的是Petrobia latens(Miiller),1989年作者在汉寿县的6000亩受害严重的荻田调查,以小爪螨(Oligonychus sp.)为主,现危害面积逐年扩大,危害时间为7月中旬至9月上旬,连续高温干燥天气发生严重。叶螨群集
There are spider mites in nearly one million mu of diogas in the various producing Dongting Lake areas in Hunan Province and Shishou County in Hubei Province. Petrobia latens (Miiller) has been recorded, and in the year of 1989, the author claimed 6,000 mu in Hanshou County In the serious investigation of Ota field, mainly Oligonychus sp., The current hazardous area is expanding year by year, and the harmful time is from mid July to early September, and the continuous high temperature and dry weather are serious. Spider mite cluster