模毒蛾性信息素应用技术研究

Research on the application technology of sex pheromone of the nun moth,Lymantria monacha(Lepidoptera: Lymantriidae)

模毒蛾Lymantria monacha是内蒙古大兴安岭林区重大森林害虫。通过对模毒蛾性信息素诱捕器应用技术的研究显示:不同类型的诱捕器诱虫效果不同,圆筒型和船型诱捕器的诱捕效果较好,方形的较差;诱捕器设置高度对诱虫效果的影响不同,设置在树冠下层和中层的诱捕器诱捕效果较好,上层的较差;不同设置距离的诱捕器的诱虫效果不同,随着设置距离的增加,诱捕器的诱捕量逐渐下降,设置于距林缘50 m的诱捕器诱虫效果最好,性信息素诱捕器的最远引诱距离可能为280 m。研究结果为利用性信息素对模毒蛾进行种群监测和防治提供了依据。

The nun moth Lymantria monacha is a major forest pest in Greater Xing’an Mountains.The researches on the application technology of sex pheromone of L.monacha were carried out in 2015.The results showed that different types of traps had different effects on trapping pest,the Unitraps and boat traps had significantly higher catches than square traps.The height of traps had different effects on the trapping effect.The Unitraps set in the lower and middle crown caught significantly more male moths than those at the upper crown.The trapping effects of traps with different setting distance were different with the increase of distance,the trapping catches of traps gradually decreases.The traps set 50 m away from the forest edge had the best trapping effect.The maximum trapping distance of sex pheromone traps might be 280 m.Our data provides important guidance for the use of sex pheromone in monitoring or mass-trapping the nun moth in northeastern China.