Sustainable Insect Pest Management in Cereal Crops Under Climate Variability

Cereal crops, the cornerstone of global food security, face a rising danger from the synergistic interplay between climate change and insect pest dynamics. This review synthesises data on the implications of climate variability for the biology, ecology, and distribution of important insect pests in wheat, rice, maize, and barley systems. Climate change induces ecological alterations, including the poleward extension of pest ranges, enhanced overwintering survival, accelerated metabolic rates, and disruptive trophic mismatches. Case studies of aphids, fall armyworm, and stem borers illustrate how these modifications exacerbate outbreaks. Concurrently, climate unpredictability diminishes insecticide efficacy, promotes pest resistance, and renders forecasting models outdated. The report claims a paradigm shift from reactive pesticide use to proactive, Integrated Pest Management (IPM) is necessary. A multi-faceted approach integrating host plant resistance, agroecological diversity, better biological control, and precision agricultural technologies is advised. Successful implementation eventually requires robust governmental backing, strengthened extension services, focused research, and global cooperation to establish resilient cereal production systems capable of withstanding a changing environment and assuring future food security.