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CABI Book Chapter

Climate change and insect pests.

Book cover for Climate change and insect pests.

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Chapter 6 (Page no: 92)

Physiological variation of insects in agricultural landscapes: potential impacts of climate change.

Understanding the physiological and behavioural responses of insects to climate variation is critical, for several reasons, of which three are perhaps most important. First, developing a deeper understanding of pest population dynamics and postharvest control requires information on thermal (and other environmental) traits. Second, invasion of new and emerging pests into novel environments requires some knowledge of the basics of environmental physiology. Finally, to predict and manage aspects of efficacy in control programmes through the release of laboratory- or mass-reared insects typically hinges on some information from phenotype-environment interactions. Here, we provide an overview of how climate and landscape environmental opportunities vary spatially and temporally in order to quantify better ecologically meaningful microclimates for insects and to understand better behavioural opportunities in agricultural landscapes. Then, we describe several key biogeographic patterns that may be significant from an insect pest/climate change perspective, and then discuss briefly possible mechanisms associated with variation in the physiological tolerance and performance of insects. We review and discuss issues surrounding the prediction of climate change and insect physiological and behavioural responses, and consider how insect pests might be impacted by changes in climate in the future via physiological tolerances. Next, we consider movement and dispersal in agricultural landscapes, and what this may mean for recolonization potential or introduction to novel environments under climate change scenarios, especially given how many of these processes are influenced by climatic factors. Finally, this chapter examines interactions between hosts and biocontrol agents, and how climate may influence the outcome of these interactions. The chapter concludes with a summary and discussion of possible areas for future research and key themes emerging from this review of physiological variation in agricultural landscapes and the potential impacts of climate change.

Other chapters from this book

Chapter: 1 (Page no: 1) Climate change and insect pest distribution range. Author(s): Battisti, A. Larsson, S.
Chapter: 2 (Page no: 16) Species distribution modelling in predicting response to climate change. Author(s): Hill, M. P. Thomson, L. J.
Chapter: 3 (Page no: 38) Adaptive responses of plants to insect herbivores under climate change. Author(s): Rasmann, S. Pellissier, L.
Chapter: 4 (Page no: 54) Boreal woody species resistance affected by climate change. Author(s): Julkunen-Tiitto, R. Nybakken, L. Randriamanana, T. Virjamo, V.
Chapter: 5 (Page no: 74) Effects of climate change on the interactions between insect pests and their natural enemies. Author(s): Kalinkat, G. Rall, B. C.
Chapter: 7 (Page no: 119) Climate change and biological control in agricultural systems: principles and examples from North America. Author(s): Eigenbrode, S. D. Davis, T. S. Crowder, D. W.
Chapter: 8 (Page no: 136) Climate change effects on agricultural insect pests in Europe. Author(s): Lindström, L. Lehmann, P.
Chapter: 9 (Page no: 154) Abiotic factors, climatic variability and forest insect pests. Author(s): Neuvonen, S. Virtanen, T.
Chapter: 10 (Page no: 173) Responses of tree-killing bark beetles to a changing climate. Author(s): Raffa, K. F. Aukema, B. H. Bentz, B. J. Carroll, A. L. Hicke, J. A. Kolb, T. E.
Chapter: 11 (Page no: 202) The Eurasian spruce bark beetle: the role of climate. Author(s): Økland, B. Netherer, S. Marini, L.
Chapter: 12 (Page no: 220) Pine wood nematode, pine wilt disease, vector beetle and pine tree: how a multiplayer system could reply to climate change. Author(s): Roques, A. Zhao LiLin Sun JiangHua Robinet, C.
Chapter: 13 (Page no: 235) Northern geometrids and climate change: from abiotic factors to trophic interactions. Author(s): Ammunét, T. Bylund, H. Jepsen, J. U.
Chapter: 14 (Page no: 248) Effects of new forest management on insect damage risk in a changing climate. Author(s): Björkman, C. Bylund, H. Nilsson, U. Nordlander, G. Schroeder, M.

Chapter details

  • Author Affiliation
  • Centre for Invasion Biology, Department of Conservation Ecology and Entomology, Faculty of AgriSciences, Stellenbosch University, South Africa.
  • Year of Publication
  • 2015
  • ISBN
  • 9781780643786
  • Record Number
  • 20153325838