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Impact of Climate Change on Insect Diversity

Climate change has emerged as one of the most significant drivers of biodiversity loss, with profound effects on insect diversity across different ecosystems. This has resulted into disruption of not only ecosystem components from biotic to abiotic through human-induced environmental alterations but also threatened food security, contributed to weather pattern disruptions across the globe. Agricultural crops and their corresponding pests are directly and indirectly affected by climate change through altered temperature, rainfall, relative humidity and CO2 levels. Insects are highly sensitive to environmental changes and rising temperatures influence their physiology and metabolism, leading to shifts in distribution, phenology, life cycles and interspecific interactions. Recent monitoring shows annual declines of 6.6% in abundance, thus the changes made due to climate change interfere with overall ecological processes, creating imbalance in ecosystem functioning crucial for sustainable agriculture.