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1984年,我县稻象(虫甲)大发生,受害稻田面积达3万亩,为过去所罕见。现将发生情况及防治报道如下。一、为害情况早造秧田受害特别严重,不少秧田受害率达30—50％,甚至100％。部分秧田在秧针至2叶期遭受反复为害,幼苗被咬断后长起,长起又被咬断,终至养分耗尽而死亡。如上沙区下修村秧田42亩,其中被害较重的有12亩,有1.9亩杂交稻秧,被害率达100％,反复受害,全部枯死。早造本田初期成虫为害也很普遍,
In 1984, my county rice elephant (insect) occurred, the affected area of 30000 acres of paddy, rare in the past. Now the situation and prevention reports are as follows. First, the damage Early seedling victims particularly serious, many victims of seedling rate of 30-50%, or even 100%. Part of the seedling in seedling to 2 leaves suffered repeated damage, seedlings were biting off after the long, long and again snapped off, and finally died of nutrient depletion. For example, the 42 mu of seedling under Xiasha Village in Shangsha District is damaged, of which 12 are heavily harvested. There are 1.9 acres of hybrid rice seedlings with a victimization rate of 100%. Early adult Honda early damage is also very common,