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Impact of Climate Change on a Key Agricultural Pest: Thrips
Abstract
The world population is expected to exceed 9 billion by 2050 and most of this growth will occur in developing countries. As population increases, more arable lands will be used to construct cities and these activities increase CO2 in the atmosphere and contribute to climate change. Climate assessments have shown rising sea levels and increase in the frequency of droughts in many dry areas. Prolonged droughts can decrease the relative amounts of water available for human consumption and agriculture. In developing countries agriculture contributes to more than 15% of GDP and when crops and livestock are deprived of water they become more susceptible to pests and diseases. As climate change continues to occur there is a need to develop strategies to manage key invasive pest and disease species that threaten agricultural production. Thrips are major agricultural pests with the majority of species in tropical regions. They are cosmopolitan in nature and damage crops when they feed and lay eggs in many parts of the plant. Thrips are also vectors for spreading plant diseases. They disperse quickly into new areas where susceptible hosts exist. This chapter focuses on a few important thrips species that threatens agricultural production in the Americas including Central and South America and the Caribbean. The chapter discusses the ecology and pest management strategies for key invasive thrips species and examines the potential effects of climate change on these troublesome species.
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