Paper $34.00 ISBN: 9780226713489 Published July 2007
Cloth $87.00 ISBN: 9780226713472 Published July 2007
E-book $7.00 to $34.00 About E-books ISBN: 9780226713540 Published September 2008 Also Available From

The Ecology and Evolution of Ant-Plant Interactions

Victor Rico-Gray and Paulo S. Oliveira

The Ecology and Evolution of Ant-Plant Interactions

Victor Rico-Gray and Paulo S. Oliveira

320 pages | 55 line drawings, 27 tables | 6 x 9 | © 2007
Paper $34.00 ISBN: 9780226713489 Published July 2007
Cloth $87.00 ISBN: 9780226713472 Published July 2007
E-book $7.00 to $34.00 About E-books ISBN: 9780226713540 Published September 2008

Ants are probably the most dominant insect group on Earth, representing ten to fifteen percent of animal biomass in terrestrial ecosystems. Flowering plants, meanwhile, owe their evolutionary success to an array of interspecific interactions—such as pollination, seed dispersal, and herbivory—that have helped to shape their great diversity. The Ecology and Evolution of Ant-Plant Interactions brings together findings from the scientific literature on the coevolution of ants and plants to provide a better understanding of the unparalleled success of these two remarkable groups, of interspecific interactions in general, and ultimately of terrestrial biological communities.

The Ecology and Evolution of Ant-Plant Interactions synthesizes the dynamics of ant-plant interactions, including the sources of variation in their outcomes. Victor Rico-Gray and Paulo S. Oliveira capture both the emerging appreciation of the importance of these interactions within ecosystems and the developing approaches that place studies of these interactions into a broader ecological and evolutionary context. The collaboration of two internationally renowned scientists, The Ecology and Evolution of Ant-Plant Interactions will become a standard reference for understanding the complex interactions between these two taxa.



1. Ant-Plant Interactions

The Origin and Early Evolution of Ant-Plant Associations

Phylogenetic Associations

A Brief History of the Associations

Coevolution and Interspecific Interactions

2. Antagonistic Interactions: Leaf-Cutting and Seed-Harvesting Ants

Leaf-Cutting Ants (Grazing)

Seed-Harvesting Ants (Predation)

3. Mutualism from Antagonism: Ants as Primary Seed-Dispersers

The Reward: Elaiosomes

Seed Dispersal by Ants

Myrmecochory: Distribution and Significance Worldwide


Appendix 3.1. Myrmecochory in Eastern North America, Japan, and Europe

Appendix 3.2. Myrmecochory in Australia and South Africa

Appendix 3.3. Myrmecochory in the Neotropics

4. Mutualism from Opportunism: Ants as Secondary Seed-Dispersers

The Reward: Fallen Fleshy Diaspores

Diaspore Attributes and Patterns of Ant Attendance

Ant Effects on Seeds and Seedlings

Directed Dispersal of Seeds by Ponerine Ants


5. Mutualism from Antagonism: Ants and Flowers

Pollination by Ants

Discouragement of Floral Visits by Ants

Appendix 5.1. Plant Species in Which Ant Pollination Has Been Demonstrated

6. Antagonism and Mutualism: Direct Interactions

The Pseudomyrmex-Acacia Association

Ants, Plants, and Food Bodies

Ant-Inhabited Plants Offering No Direct Food Rewards

Ants, Plants, and Extrafloral Nectaries

Plant Defensive Strategies and Induced Responses

The Nature of the Associations and the Importance of Conditionality

Topics for Future Consideration

Appendix 6.1. Flowering Plants That Maintain a Nonsymbiotic Relationship with Ants

7. Antagonism and Mutualism: Indirect Interactions

Ants, Plants, and Hemipterans

Variable Outcomes in Ant-Hemipteran Systems

The Effect of Ant-Hemiptera Interactions on Host Plants

Ant-Hemiptera Associations and the Evolution of Extrafloral Nectaries

8. Nutrition of Plants by Ant Mutualists: Life History of Ant-Fed Plants and Ant-Garden Systems

Ant-Fed Plants

Ant Gardens


Appendix 8.1. Ant-Fed Plants That Absorb Nutrients from Ant Debris

9. Canopy-Dwelling Ants, Plant and Insect Exudates, and Ant Mosaics

Canopy Ants: Main Features and Trophic Role

The Competitive Environment

Ant Mosaics

Plant and Insect Exudates and Ant Community Structure

The Effect of Trophobiont Tenders on Associated Herbivores and on the Host Plant

10. Variation in Ant-Plant Interactions

Temporal Variation

Spatial Variation

Appendix 10.1. Plants with Extrafloral Nectaries

Appendix 10.2. Ant Species Using Plant-Derived Food Resources

11. Ant-Plant Interactions in Agriculture

Agricultural Systems, Herbivores, and Ants

Ants as Biological Control Agents

Case Studies

Biological Control and Interspecific Interactions

12. Overview and Perspectives

Literature Cited


Review Quotes
Anurag Agrawal, Cornell University

“I have been waiting for somebody to write this book!  It’s a remarkable synthesis of deep and wide-ranging conceptual issues, a feast of natural history, and an up-to-date summary of the field. Given that plants feed the world and ants eat it, churn it, and direct traffic, it is no wonder than ant-plant interactions are so pervasive. Rico-Gray and Oliveira have succeeded in producing a book that will drive the field for at least a decade, and one that will have far-reaching impacts on anybody interested in the nature of how species interact.”

Bert Hoelldobler, Arizona State University

“Victor Rico-Gray and Paulo Oliveira, both foremost researchers exploring the enormously diverse ant-plant associations, have written an impressive, authoritative monograph on this subject. This is an important book; it provides a timely critical account of a fundamental body of work. The overarching theme is of great interest to ecologists in general and in particular to social insect biologists.”

Peter W. Price, Regents’ Professor Emeritus, Northern Arizona University

“A reader can sense the authors’ delight and fascination with the subject on every page of The Ecology and Evolution of Ant-Plant Interactions. The breadth and depth of Rico-Gray and Oliveira’s experience and understanding, and the enthusiasm with which these are transmitted to paper, is inspirational. Clearly and authoritatively written, rich with citations, and comprehensive, the book will remain an essential reference for decades.”

John Mull | Ecology
"The ecology and evolution of ant–plant interactions is an essential book for anyone who currently studies ant–plant interactions. It will also serve as required reading for graduate students who are beginning work on topics in this field. More generally, it should appeal to anyone with an interest in the ecology and evolution of mutualism."

M. Suvak | Thaiszia Journal of Botany
"[This book] will be appreciated not only by professional myrmecologists but also by other entomologists and ecologists in general, students, and all trying to understand the amazing natural processes related to this group of social insects."
Megan E. Frederickson | Ecoscience
"This book is a must-read for ant-plant researchers, and should be assigned reading for graduate students on plant-anmial interactions. It is the most current and thorough treatment of ant-plant interactions to come along in over a decade."
Kirsten L. Abbott | Integrative and Comparative Biology
"An essential compendium of information for anyone in the field of ants, plants, and their interactions. Moreover, it places ant-plant interactions in the larger context of the geographic mosaic of coevolution, and broader ecological theory, and will be a useful text for ecologists generally. Rico-Gray and Oliveira have produced a thorough and well-timed synthesis of an incredibly diverse field."
Mark Young | Bulletin of the British Ecological Society
"An authoritative and well-rounded book. It ranges widely over the subject and has a nice historical view, as well as being up-to-date, so that everyone can learn from it. . . . It is worth buying."
Duncan Mackay | Austral Ecology
"The broad synthesis and overview that Rico-Gray and Oliveira have provided on this hugely diverse subject, coupled with the comprehensiveness of their literature review, place this book firmly in the 'must-have' category for anyone interested in ants and plants and of great interest for ecologists interested more generally in the ecology and evolution of interspecific interactions."
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