Zizyphus jujuba was its most favorite host fruit.[Conclusion]This study provided the important date for fully understanding the occurrence regularity of B.dorsalis in Jiangsu province.

• 枣是当地桔小实蝇最喜好的寄主水果。[结论]该研究为全面认识江苏省桔小实蝇发生规律提供重要数据。