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Pollinating fig wasp Ceratosolen solmsi adjusts the offspring sex ratio to other foundresses

文献类型： 外文期刊

作者： Hu, Hao-Yuan 1 ; Chen, Zhong-Zheng 1 ; Jiang, Zi-Feng 2 ; Huang, Da-Wei 3 ; Niu, Li-Ming 5 ; Fu, Yue-Guan 5 ;

作者机构： 1.Anhui Normal Univ, Coll Life Sci, Key Lab Biot Environm & Ecol Safety Anhui Prov, Wuhu 241000, Anhui, Peoples R China

2.Univ Maryland, Dept Bot, College Pk, MD 20742 USA

3.Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China

4.Shandong Agr Univ, Plant Protect Coll, Tai An, Shandong, Peoples R China

5.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Danzhou, Hainan Province, Peoples R China

关键词： behavior;co-evolution;local mate competition;mutualism;pollinating fig wasp;sex ratio adjustment

期刊名称：INSECT SCIENCE （ 影响因子：3.262； 五年影响因子：3.206 ）

ISSN： 1672-9609

年卷期： 2013 年 20 卷 2 期

页码：

收录情况： SCI

摘要： Local mate competition theory predicts that offspring sex ratio in pollinating fig wasps is female-biased when there is only one foundress, and increased foundress density results in increased offspring sex ratio. Information of other foundresses and clutch size have been suggested to be the main proximate explanations for sex ratio adjustment under local mate competition. Our focus was to show the mechanism of sex ratio adjustment in a pollinating fig wasp, Ceratosolen solmsi Mayr, an obligate pollinator of the functionally dioecious fig, Ficus hispida Linn., with controlled experiments in the field. First, we obtained offspring from one pollinator and offspring at different oviposition sequences, and found that offspring sex ratio decreased with clutch size, and pollinators produced most of their male offspring at the start of bouts, followed by mostly females. Second, we found that offspring sex ratio increased with foundress density, and pollinators did adjust their offspring sex ratio to other females in the oviposition patches. We suggest that when oviposition sites are not limited, pollinators will mainly adjust their offspring sex ratio to other foundresses independent of clutch size changes, whereas adjusting clutch size may be used to adjust sex ratio when oviposition sites are limited.

  • 相关文献

[1]Permeability of receptive fig fruits and its effects on the re-emergence behaviour of pollinators. Hu Hao-Yuan,Niu Li-Ming,Huang Da-Wei,Hu Hao-Yuan,Ma Guang-Chang,Niu Li-Ming,Ma Guang-Chang,Peng Zheng-Qiang,Huang Da-Wei.

[2]Different Stimuli Reduce Attraction to Pollinators in Male and Female Figs in the Dioecious Fig Ficus hispida. Hu, Hao-Yuan,Niu, Li-Ming,Huang, Da-Wei,Hu, Hao-Yuan,Niu, Li-Ming,Hu, Hao-Yuan,Jiang, Zi-Feng,Niu, Li-Ming,Fu, Yue-Guan,Peng, Zheng-Qiang,Huang, Da-Wei.

[3]Adaptation of the externally feeding bug Elasmucha necopinata (Hemiptera: Acanthosomatidae) to its fig host. Huang, Da-Wei,Ma, Guang-Chang,Hu, Hao-Yuan,Ma, Guang-Chang,Niu, Li-Ming,Fu, Yue-Guan,Peng, Zheng-Qiang,Bu, Wen-Jun,Huang, Da-Wei.

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