1　为害情况　金纹细蛾近年在廊坊市部分果园为害加重 ,以苹果受害最重。受害严重的苹果园 ,叶片被害率达 78 8%。造成叶片早枯早落 ,严重影响苹果产量和品质。金纹细蛾为害以幼虫从叶背面蛀入 ,潜食叶肉 ,残留表皮 ,外观呈黄豆粒大小的泡囊状虫斑 ;由于幼虫在内壁吐丝 ,使下表 1 damage King moth in Langfang City in recent years, part of the orchard damage worse, the most victims of apples. Severely damaged apple orchard, the rate of leaf damage was 788%. As a result, the leaves grow early and fall seriously, seriously affecting the yield and quality of the apple. Gold moth damage to the larvae from the back of the moth into the carnivore, latent food leaves, the residual epidermis, the appearance of soybean-sized vesicular cysticercosis; as larvae in the inner wall silking, the following table