Host Plant Specialization Driven by Sexual Selection

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Host Plant Specialization Driven by Sexual Selection

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Title: Host Plant Specialization Driven by Sexual Selection
Author: Quental, Tiago; Pierce, Naomi; Paten, Manus

Note: Order does not necessarily reflect citation order of authors.

Citation: Quental, Tiago B., Manus M. Paten, and Naomi E. Pierce. 2007. Host Plant Specialization Driven by Sexual Selection. American Naturalist 169(6): 830-836.
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Abstract: We propose a new mechanism based on sexual selection to explain the evolution of diet breadth in insects. More specifically, we show that mate choice in females for certain diet-derived male pheromones can be exploited by maternal effect genes that preferentially place offspring on a specific host plant, resulting in specialization. Our analytical model also suggests that the process is more likely to occur with species that show male-congregating mating strategies, such as lekking and hilltopping. The model offers a new explanation for the similarity between the composition of male lepidopteran pheromones and the chemistry of their host plants and also suggests a novel mechanism of host plant shift. This is the first time that sexual selection has been proposed to drive host plant specialization and the first time that a mechanism with selection acting solely on the adult stage has been shown to be capable of determining larval feeding habits.
Published Version: http://dx.doi.org/10.1086/516654
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:2560813

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  • FAS Scholarly Articles [6948]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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