In a work that will interest researchers in ecology, genetics, botany, entomology, and parasitology, Warren Abrahamson and Arthur Weis present the results of more than twenty-five years of studying plant-insect interactions. Their study centers on the ecology and evolution of interactions among a host plant, the parasitic insect that attacks it, and the suite of insects and birds that are the natural enemies of the parasite. Because this system provides a model that can be subjected to experimental manipulations, it has allowed the authors to address specific theories and concepts that have guided biological research for more than two decades and to engage general problems in evolutionary biology. The specific subjects of research are the host plant goldenrod (Solidago), the parasitic insect Eurosta solidaginis (Diptera: Tephritidae) that induces a gall on the plant stem, and a number of natural enemies of the gallfly. By presenting their detailed empirical studies of the Solidago-Eurosta natural enemy system, the authors demonstrate the complexities of specialized enemy-victim interactions and, thereby, the complex interactive relationships among species more broadly. By utilizing a diverse array of field, laboratory, behavioral, genetic, chemical, and statistical techniques, Abrahamson and Weis present the most thorough study to date of a single system of interacting species. Their interest in the evolutionary ecology of plant-insect interactions leads them to insights on the evolution of species interactions in general. This major work will interest anyone involved in studying the ways in which interdependent species interact.

Although biologists recognize evolutionary ecology by name, many only have a limited understanding of its conceptual roots and historical development. Conceptual Breakthroughs in Evolutionary Ecology fills that knowledge gap in a thought-provoking and readable format. Written by a world-renowned evolutionary ecologist, this book embodies a unique blend of expertise in combining theory and experiment, population genetics and ecology. Following an easily-accessible structure, this book encapsulates and chronologizes the history behind evolutionary ecology. It also focuses on the integration of age-structure and density-dependent selection into an understanding of life-history evolution. - Covers over 60 seminal breakthroughs and paradigm shifts in the field of evolutionary biology and ecology - Modular format permits ready access to each described subject - Historical overview of a field whose concepts are central to all of biology and relevant to a broad audience of biologists, science historians, and philosophers of science

Cover -- Title -- Copyright -- Dedication -- Contents -- Acknowledgments -- 1. Ecological Opportunities, Communities, and Evolution -- 2. The Community of Ecological Opportunities -- 3. Evolving in the Community -- 4. New Species for the Community -- 5. Differentiating in the Community -- 6. Moving among Communities -- 7. Which Ways Forward? -- Literature Cited -- Index

Insects provide excellent model systems for understanding evolutionary ecology. They are abundant, small, and relatively easy to rear, and these traits facilitate both field and laboratory experiments. This book has been developed from the Royal Entomological Society's 22nd international symposium, held in Reading in 2003. Topics include speciation and adaptation; life history, phenotype plasticity and genetics; sexual selection and reproductive biology; insect-plant interactions; insect-natural enemy interactions; and social insects.

Novel Aspects of Insect-Plant Interactions Edited by Pedro Barbosa and Deborah K. Letourneau Focusing on three trophic levels, this study widens the current understanding of the ecological interactions between plants, herbivores, and their parasitoids and predators. Emphasized are the mediating effects of plant-derived allelochemicals on those interactions. The text also covers microorganisms as mediators of intertrophic and intratrophic interactions; theory and mechanisms: plant effects via allelochemicals on the third trophic level; and key roles of plant allelochemicals in survival strategies of herbivores. 1988 (0 471-83276-6) 362 pp. Plant Stress-Insect Interactions Edited by E. A. Heinrichs "This is a far-reaching, seminal book that summarizes our understanding of the complexity of real-world ecology." —Choice This first major overview of the various abiotic and biotic stresses on plants outlines in detail what impact their responses have on their suitability as insect hosts. The effects of abiotic stress are catalogued in up-to-date research from leading specialists. The implications of plant stress on global food production in this era of diminishing croplands and rising populations is described, as well as avenues for the development of tolerant crop cultivars. 1988 (0 471-82648-0) 492 pp. Plant Resistance to Insects A Fundamental Approach C. Michael Smith This comprehensive text—developed out of the author’s vast field and academic experience—describes how biological and agricultural scientists identify and develop plant materials resistant to insects. Covers terminology and categories of resistance; investigative techniques for studying plant resistance; and crop management systems that use insect-resistant cultivars. Supplemented with tables detailing types and numbers of insect-resistant plant cultivars in the U.S. and formulae on quantifying plant tolerance of insects. 1989 (0 471-84938-3) 286 pp.

As biologists, we seek to understand the sources of biodiversity, and the consequences of that diversity for ecological and evolutionary dynamics. But what do we mean by biodiversity? An evolutionary biologist might consider the traits of a population, while an ecologist may invoke differences among species. A key complexity of biological systems is that these facets of biodiversity occur simultaneously-all biological systems span levels of biological organization. In the first half of my thesis, I use gall-makers and dragonfly larvae to address a key facet of natural selection; species live, reproduce, and die in complex webs of interacting species, all of which can directly and indirectly shape evolutionary change. I show that subtle differences in the traits of 'keystone' individuals (Chapter 1), populations (Chapter 2), and indirectly interacting species (Chapter 3) all modify interactions and natural selection. These links can be further modified by environmental conditions (Chapter 4), and spatial processes that have random (Chapter 5) and deterministic (Chapter 6) effects on species composition and traits; traits, interactions, and selection are intimately linked. In the second half of my thesis, I investigate some of the ways in which a process occurring at one level of organization (e.g. evolution) can influence processes and their consequences occurring at other levels (e.g. community assembly and trophic cascades). Using dragonfly larvae, I show that ontogenetic differences (Chapter 7), individual differences (Chapter 8), and community-level differences generated by macroevolution (Chapter 9) all shape predation. In a unifying experiment, I determine that intraspecific variation may be particularly consequential for trophic dynamics and ecosystem functioning (Chapter 10). To understand classic ecological patterns (e.g. biodiversity-ecosystem functioning) requires an understanding of traits and their functions across biological scales of organization. The broad conclusions of this thesis are two-fold. First, trait variation across biological levels can reshape natural selection. Second, it will be difficult to understand patterns of diversity in ecological communities without considering trait variation at other biological levels. To understand biological systems, we require a synthesis of the causes and consequences of diversity across levels-we require a rapprochement of evolutionary biology and community ecology.

Predator-prey interactions are ubiquitous, govern the flow of energy up trophic levels, and strongly influence the structure of ecological systems. They are typically quantified using the functional response - the relationship between a predator's foraging rate and the availability of food. As such, the functional response is central to how all ecological communities function - since all communities contain foragers - and a principal driver of the abundance, diversity, and dynamics of ecological communities. The functional response also reflects all the behaviors, traits, and strategies that predators use to hunt prey and that prey use to evade predation. It is thus both a clear reflection of past evolution, including predator-prey arms races, and a major force driving the future evolution of both predator and prey. Despite their importance, there have been remarkably few attempts to synthesize or even briefly review functional responses. This novel and accessible book fills this gap, clearly demonstrating their crucial role as the link between individuals, evolution, and community properties, representing a highly-integrated and measurable aspect of ecological function. It provides a clear entry point for students, a refresher for more advanced researchers, and a motivator for future research. Predator Ecology is an advanced textbook suitable for graduate students and researchers in ecology and evolutionary biology seeking a broad, up-to-date, and authoritative coverage of the field. It will also be of relevance and use to mathematical ecologists, wildlife biologists, and anyone interested in predator-prey interactions.