一、寄主及危害松纵坑切梢小蠹虫Blastophagus piniperda L.(以下简称小蠹虫)过去在章古台地区没有。七四年搞基建,从外地运进松木,把该虫也带来了。本地樟子松、油松等,皆受其害。主要危害松梢和健康树干基部;而病腐木、枯立木、弱衰木受害更甚,因成虫在其上繁殖.成虫补充营养期,危害新梢,被害梢枯黄,内部被蛀空,易风折,影响树木生长和长成良材。 First, the host and endanger pine cotyledons Bark beetles Blastophagus piniperda L. (hereinafter referred to as beetles) in the past did not Zhang Gu Taidi. Seven or four years engaged in infrastructure, transported from the field pine, the worm also brought. Pinus sylvestris, pine and other local, are affected. Mainly endanger the pine and healthy trunk base; and sick rotten wood, deadwood, weak deteriorating wood even worse, due to adult reproduction in its life. Adult nutritional supplements, endanger the shoots, was blight yellow, internal was eroded, easy Wind break, affecting the growth of trees and grow into good material.