Insect pests can significantly impact the production of many major crops.Brown planthopper, Nilaparvata Lugens (st a °l),is one of the most devastating pests of rice in China.Although substantial efforts have been directed to examine factors affecting the occurrence of Brown planthopper and to predict its future outbreaks,the long\|term forecasting power is still lower.We propose to use nonlinear prediction of chaotic time series for the forecasting of insect occurrence.The term“chaotic time series” her...