梨木虱在我市黄花梨上发生较普遍，受害后的叶片靠叶柄处的主脉两侧发黑，严重时叶片与叶片粘结在一起。新梢受害后有萎缩现象，造成树势衰弱，影响花芽分化，严重影响了黄花梨的产量和品质。为此，1995-1997年，我们摸索了一套比较理想的防治方法，取得了显著的效果。梨木虱防 Pear lice occurred in the city of pear more common, victims of the leaves by the petiole on both sides of the main vein darker, severe leaves and leaves bonded together. Shoot damage after the new tip phenomenon, resulting in frail weakness, affecting flower bud differentiation, seriously affecting the yield and quality of pear. Therefore, from 1995 to 1997, we explored a set of ideal methods of prevention and treatment and achieved remarkable results. Pear louse defense