
The population dynamics of Scarlet mites against synthetic pesticide, bio-pesticide and neem extract in Terai region were studied. In two experimental locations the decreasing percentage of alive Scarlet mites against three pesticide treatments, the result is more or less same for particular pesticide. In contrast between three pesticides, Hexythiazox 5.45% EC was found to be effective. Apart from that bio-pesticide and Neem oil based formulation containing Azadirachtin 0.03% respectively reduced the population of mites.