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4 - Plant and herbivore interactions

from Part III - Species interactions

Published online by Cambridge University Press:  05 June 2012

Peter W. Price
Affiliation:
Northern Arizona University
Robert F. Denno
Affiliation:
University of Maryland, College Park
Micky D. Eubanks
Affiliation:
Texas A & M University
Deborah L. Finke
Affiliation:
University of Missouri, Columbia
Ian Kaplan
Affiliation:
Purdue University, Indiana
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Summary

In their classic paper entitled “Butterflies and plants: a study in coevolution,” Ehrlich and Raven (1964) envisioned an “arms race” between plants and herbivores, whereby each player exerted reciprocal selective pressure on the other that resulted in evolutionary change. Thus, the arms race between plants and herbivores emphasizes an ongoing reciprocal interplay with plants erecting defenses, herbivores breaking defenses with novel offenses, plants countering with new defenses and so on through evolutionary time (Mitter et al. 1991 , Herrera and Pellmyr 2002, Thompson 2005). Moreover, “breakthroughs” in plant defense or herbivore offense are thought to create “adaptive zones” that promote speciation, lineage diversification and thus the generation of biodiversity. However, an apparent dilemma arises because plants in general have longer generation times and lower recombination rates than their insect herbivores (and especially plant pathogens), which should hinder their ability to keep pace in the evolutionary arms race (Whitham 1983). Yet, plants have clearly done so.

While the concepts of arms races and coevolution are useful as an overall theme in this chapter, we do not wish to imply that coevolution is a general phenomenon in the interaction between plants and insect herbivores. Strong cases can be developed for coevolution among mutualists (Chapter 6) and parasite–host relationships (Chapter 8), but there is a shortage of sound evidence that insect herbivores have impacted plant traits in a coevolutionary manner (Futuyma and Agrawal 2009).

Type
Chapter
Information
Insect Ecology
Behavior, Populations and Communities
, pp. 99 - 183
Publisher: Cambridge University Press
Print publication year: 2011

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References

Herrera, C. M. Pellmyr, O. 2002 Plant-Animal Interactions: An Evolutionary Approach Blackwell Oxford
Karban, R. Baldwin, I. T. 1997 Induced Responses to Herbivory Chicago University of Chicago Press
Rosenthal, G. A. Berenbaum, M. R. 1991 Herbivores: Their Interactions with Secondary Plant Metabolites 1 San Diego Academic Press
Thompson, J. N. 2005 The Geographic Mosaic of Coevolution Chicago University of Chicago Press
Tilmon, K. J. 2008 Specialization, Speciation, and Radiation: The Evolutionary Biology of Herbivorous Insects Berkeley University of California Press

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