Research Methods in Toxicology and Insecticide Resistance Monitoring of Rice …

Rice planthoppers are developing resistance to insecticides very rapidly. Publications by several authors have reported that the brown planthopper (BPH) has acquired as much as 1,000-fold resistance to imidacloprid in some areas in China. High resistance to fipronil, fenobucarb, and buprofezin has also been reported. However, the methods used by different authors differ signifi cantly, ther…