Decoupling of female host plant preference and offspring performance in relative specialist and generalist butterflies

Oecologia
Magne FribergChrister Wiklund

Abstract

The preference-performance hypothesis posits that the host plant range of plant-feeding insects is ultimately limited by larval costs associated with feeding on multiple resources, and that female egg-laying preferences evolve in response to these costs. The trade-off of either using few host plant species and being a strong competitor on them due to effective utilization or using a wide host plant range but being a poor competitor is further predicted to result in host plant specialization. This follows under the hypothesis that both females and offspring are ultimately favoured by utilizing only the most suitable host(s). We develop an experimental approach to identify such trade-offs, i.e. larval costs associated with being a host generalist, and apply a suite of experiments to two sympatric and syntopic populations of the closely related butterflies Pieris napi and Pieris rapae. These butterflies show variation in their level of host specialization, which allowed comparisons between more and less specialized species and between families within species. Our results show that, first, the link between female host preference and offspring performance was not significantly stronger in the specialist compared to the generalist sp...Continue Reading

References

Mar 26, 2003·The American Naturalist·Daniel I BolnickMatthew L Forister
Dec 17, 2004·Proceedings of the National Academy of Sciences of the United States of America·Shannon M Murphy
Jul 9, 2008·Oecologia·Christer Wiklund, Magne Friberg
Jan 27, 2010·Ecology Letters·Sofia GripenbergTomas Roslin
Oct 19, 2010·Oecologia·Magne FribergChrister Wiklund
Jan 27, 2012·Oecologia·Magne FribergChrister Wiklund
Sep 15, 2012·The American Naturalist·David BergerMagne Friberg

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Citations

Aug 24, 2016·Ecology and Evolution·Ossi NokelainenPaul M Brakefield
Sep 9, 2016·Insect Science·Ke-Wei Chen, Yigen Chen
Dec 7, 2017·Scientific Reports·Maud Charlery de la MasselièrePierre-François Duyck
Apr 24, 2020·Archives of Insect Biochemistry and Physiology·Jian-Yong ZengJie Zhang
Aug 18, 2020·The Journal of Animal Ecology·Daisuke Kyogoku, Hanna Kokko
Jul 25, 2021·Microbial Ecology·Shou-Ke ZhangJun-Hao Huang

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