惠州地区桔小实蝇野生寄主植物调查

Investigation on Wild Host Plants of Bactrocera dorsalis in Huizhou Area

[目的]初步了解惠州地区桔小实蝇的野生寄主植物。[方法]以象头山、罗浮山等为中心,调查该地区内自然生长的植物上桔小实蝇的为害情况,将发现的桔小实蝇成虫或虫果带回实验室进行镜检,为害程度则根据受害率进行分级。[结果]桔小实蝇的寄主植物19科41属68种;其中桃金娘科和芸香科寄主植物受害程度最高,桑科寄主植物种类最多。各种植物的受害期不同,并在其中转移为害,世代繁衍。[结论]该研究为桔小实蝇防控提供理论依据。

[Objective]To study the wild host plants of oriental fruit fly(Bactrocera dorsalis)in Huizhou area.[Method]Investigation of the harmful effects of oriental fruit fly on plants growing naturally in Xiangtou Mountain,Luofu Mountain as the center and other places was done,and the detected adult or fruit of B.dorsalis were taken back to the laboratory for endoscopy.All the plants were identified and divided into 4 grades according to the damage degree caused by B.dorsalis.[Result]The host plant of B.dorsalis indluded 19 families,41 genera,68 species.Among them,Myrtaceae and Rutaceae were the highest level of victimization,Moraceae had the largest number of host plants.Different plants had different periods of exposure,and in which it was transferred to harm,the numbers of B.dorsalis had been multiplied from generation to generation.[Conclusion]The results provide fundamental data for establishing feasible and effective control strategy of the oriental fruit fly in Huizhou region.