桔小实蝇的发生为害规律及防治

Occurrence Regularity and Control of Bactrocera dorsalis in Shanghai

桔小实蝇是为害水果及瓜类蔬菜的重要检疫性害虫。经3a多观察试验,初步确定该虫在上海每年发生6～7代。每年9月为发生高峰期。采用悬挂含甲基丁香酚为性息素的引诱器进行诱杀,配合化学药剂,降低虫口密度,直至无法造成较大的危害,控制损失在经济阈值以下。

Bactrocera dorsalis is the important quarantine harmful insect to fruits and some vegetables in Shanghai areas. Through 3 years investigation, it was primarily identified that this insect produced 4 or 5 generations each year in Shanghai, and the peak of production occurred in September. The traps containing the sex pheromone of methyl eugenol were hanged up to kill Bactrocera dorsalis cooperating with chemical substances. This method could reduce the insect population density, and obviously decrease the economical loses caused by Bactrocera dorsalis in this areas.