水稻食根金花虫在我县主要分布在苏北灌溉总渠以南的一熟水田地区。由于这些地区自1956年进行大面积旱改水后,使一部分荒滩草地变为一熟水田,为虫害发生提供了条件。前几年我们没有摸清它的发生规律,初期虫害轻微,未能引起重视,放松了防治,致使 Rice root edible gold flower insects in my county mainly distributed in northern Jiangsu irrigation canal south of a paddy fields. Since a large area of ​​dryland water has been drilled in these areas in 1956, some of the wasteland of grasslands have been turned into one-cropped paddy fields, providing the conditions for the occurrence of insect pests. A few years ago we did not find out its law of occurrence, the initial pest slight, failed to pay attention to, relax the control, resulting in