The resistance of the smaller brown planthopper (SBPH), L. stritellus, collected from different locations in Zhejiang province, to imidacloprid, fipronil and chlorpyriphos, was studied.

• 摘要为明确浙江省灰飞虱抗药性的发展趋势，采集了浙江省不同地区的灰飞虱，监测其对吡虫啉、锐劲特和毒死蜱的抗药性水平。