Agriculture is the main stay for many countries having agrarian economies in the world. Today there are major challenges to feed burgeoning population of the world. Among other causes of low productivity of agronomic crops, insect pests attack is also a major concern. However, under climate uncertainty, this issue has been much aggravated. This chapter focused that integrated pest management (IPM) proved to the best option to control insect pests of agronomic crops for increasing production and ultimately ensuring food security under climate change scenarios.