近十余年来稻纵卷叶螟连续发生,但对其来源还未搞清。一九七三年我据“一代少、二代暴”等异常现象,提出“外来蛾”的假说。经三年多来的调查研究,初步肯定该蛾有“外来”事实。现简报如下: 一、“外来蛾”假说的提出一九七二年我于金塘岛试图以“打一压二”的办法对付该虫,但未成功,开始怀疑外来。一九七三年我在白泉养虫查蛹赶蛾的过程中发现:一代才预蛹二代已见蛾,蛾早于蛹的 In the past ten years, rice leaf roller occurred continuously, but its source has not been clarified. In 1973, according to the anomalies such as “less generation, second generation violence”, I put forward the hypothesis of “alien moths.” After more than three years of investigation and study, initially confirmed that the moth has “foreign” facts. Presentations are as follows: I. Proposition of “Loot Moth” In 1972, I attempted to deal with this pest on Jintang Island by means of “cracking down on one by two” but failed to start doubting the outside world. In 1973, when I checked the pupae in Baiquan, I found that the second generation of pre-pupae had seen the moths and the moths were earlier than the pupae