“…Larvae exposed to sublethal doses of pesticides display a wide variety of symptoms including a reduction in growth rate (Tanton & Khan, 1978a;Turunen, 1975Turunen, , 1977, depletion of glycogen, carbohydrate and fat reserves, as welt as qualitative changes in protein and lipid content (Brown, 1963;Wongkobrat & Dahlman, 1976). Sublethal doses of organophosphorous insecticides are also known to inhibit juvenile hormone esterase activity (Pratt, 1975),…”