Exploring the Multi-dimensional Impact of Insects on the Green Revolution

The Green Revolution marks a significant era of agricultural advancement in the mid-20th century, playing a vital role in addressing global food security challenges. While the contributions of crop breeding, mechanization, and agrochemical use to this movement are well-recognized, insects' complex and varied impact remains less explored. This paper highlights insects' diverse roles during this transformative period. Drawing on a range of scientific research, scholarly publications, and online scientific databases, this review examines insects' beneficial and detrimental influences on the Green Revolution. Pollinators like bees and butterflies supported crop fertilization, boosting yields and preserving genetic diversity. At the same time, pest insects pose serious threats to crop productivity, often resulting in considerable losses if uncontrolled. Developing and applying insecticides were pivotal in mitigating these risks and safeguarding crops against destructive pests. Insects also shaped the ecological balance within agricultural systems; predatory insects, like ladybugs and lacewings, naturally controlled pest populations, reducing dependency on synthetic insecticides. Decomposers, such as dung beetles, contributed to nutrient recycling and soil health, indirectly supporting crop growth. However, the Green Revolution’s reliance on high-yielding crop varieties and intensive farming practices unintendedly affected insect populations and biodiversity. The widespread adoption of monocultures and heavy pesticide use led to habitat loss and a decline in insect diversity, which may disrupt ecosystem services and affect long-term sustainability. Understanding the multifaceted role of insects in the Green Revolution is essential for guiding sustainable agricultural practices in the future.