POPULATION MODEL OF THE BROWN PLANTHOPPER, NILAPARVATA LEGENS (STAL.)

K.L. HEONG

SUMMARY

A population model of the brown planthopper (BPH), Nilaparvata lugens Stal. was developed. Simulation studies using data obtained from the literature, showed that the population trends predicted by the models resembled that observed in the field very closely. As the data were from the temperate regions, no attempts were made to directly compare the model outputs with those of the field. The effects of both a residual and non-residual insecticide were also studied through stimulations. Although the model developed would not be used immediately it did serve its important functions of identifying research priorities, providing a framework of the BPH population and coordinating research efforts. Uses and the roles the model can play in improving BPH pest control were also discussed.

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