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王振吉, 李国昌, 彭艳琼, 杨大荣. 2012: 两种雌雄同株榕树榕果内小蜂空间分布格局. 动物学研究, (2): 182-186. DOI: 10.3724/SP.J.1141.2012.02182
引用本文: 王振吉, 李国昌, 彭艳琼, 杨大荣. 2012: 两种雌雄同株榕树榕果内小蜂空间分布格局. 动物学研究, (2): 182-186. DOI: 10.3724/SP.J.1141.2012.02182
WANG Zhen-Ji, LI Guo-Chang, PENG Yan-Qiong, YANG Da-Rong. 2012: Spatial distribution of fig wasps in syconia of two monoecious Ficus sp.. Zoological Research, (2): 182-186. DOI: 10.3724/SP.J.1141.2012.02182
Citation: WANG Zhen-Ji, LI Guo-Chang, PENG Yan-Qiong, YANG Da-Rong. 2012: Spatial distribution of fig wasps in syconia of two monoecious Ficus sp.. Zoological Research, (2): 182-186. DOI: 10.3724/SP.J.1141.2012.02182

两种雌雄同株榕树榕果内小蜂空间分布格局

Spatial distribution of fig wasps in syconia of two monoecious Ficus sp.

  • 摘要: 在雌雄同株榕树榕果内,除传粉榕小蜂外,还寄生着很多种类的非传粉榕小蜂。为弄清传粉和非传粉榕小蜂在榕果内的空间分布格局,以西双版纳地区的垂叶榕和高榕及与之相关的传粉和非传粉榕小蜂为研究材料,比较了不同种类小蜂所在瘿花花梗长度差异。结果表明:(1)在高榕中,Eupristina sp.所在瘿花花梗平均长度最长,传粉榕小蜂Eupristina altissima所在瘿花花梗长度次之。Micranisa ralianga、Sycobia sp.和Sycoscapter sp.2所在瘿花花梗长度无显著差异。Sycobia sp.、M.ralianga以及Sycoscapter sp.2所在瘿花花梗长度范围要窄于传粉榕小蜂所在瘿花花梗长度范围。这都说明这三种果外产卵非传粉榕小蜂与传粉榕在空间生态位上存在部分的分离。(2)在垂叶榕中,Eupristina koning sbergeri可以分布在从最外层到内层的瘿花,而大多数Walkerella sp.都集中在靠近果壁的瘿花内,表明两者也存在部分空间生态位的分离。

     

    Abstract: In addition to pollinator fig wasps, there are several non-pollinating fig wasps associated with monoecious Ficus sp. In order to understand how pollinator fig wasps and non-pollinating fig wasps are distributed across the same syconium, the spatial distribution of fig wasps associated with Ficus altissima and F. benjamina were compared using the pedicle lengths of galls containing each species. The results indicate that in Ficus altissima, the average pedicel length of galls containing Eupristina sp. is longer than that containing E. altissima. Average pedicel length of galls containing Sycobia sp., Micranisa ralianga and Sycoscapter sp. two did not show significant difference. The range of pedicel lengths of galls containing Sycobia sp., M. ralianga or Sycoscapter sp. two is narrower than that of galls containing E. altissima,indicating these non-pollinating fig wasps and pollinator have partially separated spatial niches. In F. benjamina, E.koningsbergeri was distributed in galls from the outer layer to inner layer, while most Walkerella sp. were found in outer layer galls, indicating E. koningsbergeri and Walkerella sp. have partially separated spatial niches.

     

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