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Abstract
The present exploration deals with the repercussion of pyrethroid insecticide, Bifenthrin and organophosphate insecticide, Dichlorvos, on reproductive potential of Drosophila melanogaster, exposed to LC20. Exposure of selected concentration was carried out by adding aliquots of selected concentration of insecticides, in culture medium and exposing second instar larvae to insecticide for 24 hrs. Subsequently, the second instar larvae of Drosophila, were then reared up to imago stage and thereafter, were cross-mated in different experimental sets , which includes, first set: insecticide treated male and normal female, whereas, second set: insecticide treated female and normal male, along with respective controls. The procured data, specifying fecundity of treated groups, for two different experimental sets, was compared with the natural population.