Wheat (Triticum aestivum L.) is the staple food of the people of Pakistan and supplies 72% of the calories and protein in the average diet. During the last decade, different aphid species played havoc with its production. Chemical measures are usually discouraged owing to the direct consumption of whaet grains. This book, however, focuses on the role of lucern (Medicago saliva L.) as a supplier of predators to nearby wheat plots and their role in effective pest management of wheat aphids. Two year field trials revealed that minimum population of aphids was observed when wheat was intercropped...