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Research Article Open access CC BY 4.0

Climate Change and Insect Ecology: Impacts on Pest Populations and Biodiversity

Sunita Yadav, Satyabrata Sarangi, Ali Assaba Mohammed Shafi, Kartikey Pandey, Mamatha Thodusu, Suraj Soni, Shradha Parmar

Journal of Advances in Microbiology · pp. 103–118 · Published 10 Dec 2024

10.9734/jamb/2024/v24i12876

Abstract

Climate change is significantly altering the dynamics of insect populations, with wide-ranging implications for agriculture, biodiversity, and ecosystem services. Rising temperatures, shifts in precipitation patterns, and elevated atmospheric CO₂ levels are reshaping insect behavior, physiology, and distribution. These changes have led to altered pest population dynamics, with some species experiencing increased reproduction rates, extended breeding seasons, and expanded geographic ranges into previously cooler regions, intensifying agricultural damage. Conversely, many non-pest insects, such as pollinators and species with specialized habitats, face declines due to phenological mismatches, habitat loss, and reduced resilience to extreme weather events. These shifts threaten essential ecosystem services like pollination, nutrient cycling, and soil health, which are critical for food security and ecosystem stability. Despite efforts to mitigate these impacts through strategies like Integrated Pest Management (IPM), biocontrol, and habitat restoration, significant knowledge gaps remain in understanding the combined effects of multiple climate factors on insect ecology. Emerging technologies, including remote sensing, ecological modeling, and genomics, offer new avenues for studying insect responses to climate change,  while citizen science and big data can enhance monitoring efforts. Addressing these challenges requires interdisciplinary collaboration between scientists, conservationists, and policymakers to develop adaptive management strategies that integrate climate resilience into conservation policies. Future research should focus on long-term studies to better predict the effects of climate change on insects and inform proactive measures to protect biodiversity. By leveraging a combination of technological innovations, policy frameworks, and community engagement, we can develop sustainable solutions to mitigate the adverse effects of climate change on insect populations and ensure the continued functioning of ecosystems that humans and other species rely on.

Climate change insect ecology biodiversity phenology pest management pollinators

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