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Section Symposium

Systematics, Evolution, and Biodiversity

Plant-Insect Ecosystems

Understanding Drivers of Insect Biodiversity Loss Through Synthesis

What do we know about insect responses to global change? The current state of meta-analyses evaluating global change impacts on insects

Wednesday, November 12, 2025
1:35 PM - 1:55 PM Pacific
Location: Oregon Convention Center, B113, OCC
Oral Presentation
Global change is causing major declines in biodiversity, especially of insects. Scientific interest in global change impacts on insects has increased in recent years, resulting in many different meta-analyses examining questions within this topic. We performed a comprehensive review of meta-analyses examining effects of global change stressors on insects to identify well-studied questions and gaps in our knowledge and synthesize responses of insects to those stressors. We identified 75 meta-analyses that fit our scope, accounting for 905 meta-results, and spanning 18 global change stressors. Our synthesis identified global change stressors across insect groups that are relatively well-studied, showcasing areas ripe for synthesis, and stressors relatively less-studied, highlighting areas that need more attention. Additionally, meta-analyses mostly found negative effects of global change stressors on insects. Our review adds to the increasing calls to action to support research studying the global decline of insects and supports the notion that insect populations are declining due to the combination of multiple stressors.