构树小线角木蠹蛾的发生及防治方法

构树为多年生落叶乔木，是优秀的水土保持和固土护坡植物。为预防构树小线角木蠹蛾的危害，首先应该遵守检疫制度，认真做好苗木产地检疫及调运检疫工作。然后加强日常病虫害的巡查工作。并且在校园的种植设计过程中，进行合理的植物搭配。同时，加强养护管理措施，提高构树生长势。一旦发现构树有小线角木蠹蛾幼虫危害时，及时采取以生物防治和物理防治为主的措施，包括往虫孔注射原生线虫或白僵菌，来防治幼虫，以及使用诱虫灯或性诱捕器，防治成虫。并且以低毒的化学药剂防治为辅，彻底杀死害虫。从而使构树能更好地发挥水土保持和边坡的生态防护作用。

The Occurrence and Prevention Methods of Holcocerus insularis of Papermulberry

The papermulberry is a perennial deciduous tree, also an excellent plant for soil and water conservation, for soil fixing and slope protection. In order to prevent of Holcocerus insularis of paper-mulberries, the quarantine system should be complied firstly. The quarantine work were taken seriously both at place of origin and during the transportion. Then the pest inspection was strengthened routinely.And plants were legitimately designed in the process of planting in campus. At the same time, the measures of conservation and management were strengthened to improve the growth potential of paper-mulberries. If Holcocerus insularis damaged the wood, some biological and physical prevention methods should be taken in time,including that the native nematode or the bassiana was injected from the worm hole to control larvae. And the trap lamp or sexual trap was used to control the adults. In addition,the low toxic chemical pesticides can be utilized to kill the pests finally. So that the papermulberry would play a better role in the soil and water conservation and ecological protection of slope on campus.