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肖银波, 董青川, 曾全, 等. 不同海拔花椒棉蚜天敌寄生蜂调查[J]. 四川林业科技, 2023, 44(6): 117−120. DOI: 10.12172/202303290003
引用本文: 肖银波, 董青川, 曾全, 等. 不同海拔花椒棉蚜天敌寄生蜂调查[J]. 四川林业科技, 2023, 44(6): 117−120. DOI: 10.12172/202303290003
Xiao Y B, Dong Q C, Zeng Q, et al. A survey on species composition of parasitoids against Aphis gossypii in Zanthoxylum schinifolium at different altitudes[J]. Journal of Sichuan Forestry Science and Technology, 2023, 44(6): 117−120. DOI: 10.12172/202303290003
Citation: Xiao Y B, Dong Q C, Zeng Q, et al. A survey on species composition of parasitoids against Aphis gossypii in Zanthoxylum schinifolium at different altitudes[J]. Journal of Sichuan Forestry Science and Technology, 2023, 44(6): 117−120. DOI: 10.12172/202303290003

不同海拔花椒棉蚜天敌寄生蜂调查

A Survey on Species Composition of Parasitoids against Aphis gossypii in Zanthoxylum schinifolium at Different Altitudes

  • 摘要: 在金阳县800—1800 m不同海拔段,对棉蚜寄生蜂种类和数量进行了调查。寄生蜂对棉蚜寄生率为2.63%。共发现棉蚜寄生蜂3科3属4种:蚜虫跳小蜂Aphidencyrtus aphidivorus、印度三叉蚜茧蜂Trioxys indicus、蚜茧蜂T. sp.、棉蚜蚜小蜂Aphelinus gossypii。印度三叉蚜茧蜂占寄生蜂总数的90.38%,是花椒棉蚜寄生蜂优势种群。经统计,印度三叉蚜茧蜂在1000—1800m范围内随着海拔升高而雌雄性比下降。

     

    Abstract: The species composition and number of the parasitoids against Aphis gossypii in Zanthoxylum armatum were investigated at different altitudes of 800-1800 meters in Jin Yang county. The parasite rate of parasitoids was 2.63%. Four species of parasitic wasps belonging to 3 families, 3 genera were found: Aphidencyrtus aphidivorus, Trioxys indicus, T. sp., Aphelinus gossypii. Trioxys indicus account for 90.38% of the total number of parasitic wasps, and was the dominant population of Aphis gossypii. The other three species were Aphidencyrtus aphidivorus , T. sp. and Aphelinus gossypii. According to statistics, the ratio of Female-Male of Trioxys indicus decreased with the increase of altitude in the range of 1000-1800 meters.

     

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