“…Laodelphax striatellus populations have been discovered with resistance to organophosphate (OP), carbamate and neonicotinoid insecticide classes 3–8. In Japan, resistance of L. striatellus to the OP malathion was recognised as early as 1965,3 and since then the resistance to diazinon, fenobucarb and carbaryl has been reported 4, 5. Recently, failure in field control of L. striatellus with insecticides has been reported in some areas of China, due to apparent resistance to members of the carbamate, neonicotinoid and organophosphate insecticide classes 5, 7, 8…”