Exploitation and utilization of beneficial arthropods viz. insects and spiders to regulate pest populations has a good prospect in China. The role of non-rice habitats in maintaining the population of natural enemies of the brown planthopper, Nilaparvata lugens Exploitation and utilization of favorable arthropods viz. Insects and spiders to regulate pest populations has a good prospect in China. The role of non-rice habitats in maintaining the population of natural enemies of the brown planthopper, Nilaparvata lugens