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Section Symposium

Systematics, Evolution, and Biodiversity

Plant-Insect Ecosystems

Exploring the Nature of Climate Change Impacts on Insect Biodiversity

Global scale impacts of climate change and land use-climate change interactions on insect biodiversity

Tuesday, November 11, 2025
11:00 AM - 11:20 AM Pacific
Location: Oregon Convention Center, B110-112, OCC
Oral Presentation
The global state of insect biodiversity is the subject of mounting concern. A growing body of evidence has reported declines in insect abundance, richness, and density across various regions of the world. However, the available evidence is patchy, both in terms of geographical coverage and in taxonomic coverage. As a result, we do not have a complete picture of how insects are faring at the global level, particularly in how they are responding to major anthropogenic drivers of change, including climate change. In this talk, I will present recent work looking at global responses of insects to the interaction of land use and climate change, assessing both the global average and the variation in responses of different insect Orders. I will also share research from the GLiTRS project, a large collaborative project aiming to understand the status of insects globally by bringing together different forms of evidence to assess the responses of insects to a range of anthropogenic drivers. This will focus on the impact of maximum temperatures and droughts on Hymenopteran biodiversity at the global scale.