合理应用久效磷防治栗瘿蜂栗瘿蜂又叫栗瘤蜂，是板栗常见的害虫，在兴隆县发生较重。主要为害板栗新梢，严重时也为害叶片，明显症状是在小枝上或叶片的叶脉上出现瘿瘤，造成树势衰弱，虫瘿早枯，影响板栗展叶开花和结果。此虫一般药剂较难控制，且易杀伤天敌，为此采用沧... Rational application of monocrotophos prevention and control chestnut bee chestnut bee also known as chestnut bee, is a common chestnut pests, Xinglong County occurred heavier. The main damage to the chestnut shoots, also damage the leaves in severe cases, the obvious symptoms are twigs or leaf veins appear on the tumor, resulting in frail weakness, insects, early blight, affecting chestnut leaf blossom and the results. This insecticide more difficult to control the general agent, and easy to kill natural enemies, for the use of Cang ...