防治栗实象的方法洪海林（湖北省咸宁地区植保站４３７１００）我区属山区丘陵地带，近年板栗种植面积大为增加，栗实象的发生也日趋严重。虫果率一般为１５～２０％，严重地影响了板栗的产量和质量。该虫两年发生一代，蛀入果实取食子叶或嫩枝皮，在土中以幼虫越冬。一般... Method of preventing and controlling chestnut elephant Hong Hailin (Plant Protection Station in Xianning, Hubei Province 437100) My area is a hilly area in mountainous area. In recent years, the chestnut acreage has increased greatly, and the occurrence of chestnut real phenomenon has become increasingly serious. Insect fruit rate is generally 15 to 20%, seriously affecting the yield and quality of chestnut. The pest occurs in two generations, infects the fruit with food cotyledons or shoots, and overwinters with larvae in the soil. general...