Agriculture is the basic sector in the life of every civilization and country acting as core of a country progress and development. Every agronomic and horticultural crops are invaded by a wide range of insects and other pests. They lead to failure of a crop and also income reduction. In focusing this aspect, the present book is written encompassing the topics of insect pests of vegetables. A research work has also added with the topic of "Screening of different Genotypes of pea against pea leaf miner (Liriomyza huidobrensis)". The distinguishing results of seventeen genotypes are: “PREMIUM” show the maximum resistance against leaf miner and the genotype “CLIMAX” show the minimum resistance to pea leaf miner.