双条杉天牛Semanotus bifasciatus(Motsch)是我国北方桧柏、侧柏等树种的重要蛀干害虫,对公园、寺庙等游览地的古柏都有不同程度的为害。由于幼虫营隐蔽生活,给化学防治带来一定的困难。近年来,发现春季移植的柏树常常受到该虫的严重为害,因此我们对饵木引诱双条杉天牛进行了初步观察。现总结如下: 生活史及习性双条杉天牛一年一代,以成虫在树干内越 Semanotus bifasciatus (Motsch), an important borer pest of tree species such as juniper cypress and oriental arborvitae in northern China, has different degrees of harm to Cooper in parks and temples. Due to larva camp hidden life, chemical control to bring some difficulties. In recent years, it was found that cypress trees transplanted in spring were often severely damaged by the insects. Therefore, we conducted preliminary observations on lure of Cunninghamia lanceolata. Now summarized as follows: life history and habits of Cane Cane one generation a year to adults in the trunk within the more