Pyrethroids are synthetic compounds similar to pyethrin, a natural compound produced by flowers of Chrysanthemum cinerariaefolium and Chrysanthemum coccineum. These acidic lipophilic compounds have potent insecticidal property and can paralyze nervous system of insects. Ketoalcoholic esters of pyrethroic acid and chrysanthemic acid induce the insecticidal property in pyrethroids. The naturally occuring pyrethrins are sensitive to heat, light, and moisture. However, synthetic pyrethroids have ... Read more
