S. Sujatha, J. Gowri Prakash, Perspectives of Economically Important Pests and Climatic Changes on Various Agricultural Field Crops: A Review, Agricultural Journal, Volume 7,Issue 6, 2012, Pages 408-413, ISSN 1816-9155, aj.2012.408.413, (https://makhillpublications.co/view-article.php?doi=aj.2012.408.413) Abstract: Survey and evaluation of natural enemies of insect pests were investigated by many researchers. Here, >160 species pests were associated with important field crops of sugarcane, rice, wheat pulses, legumes and cotton were recorded including parasitic and predatory mites and insect pathogens. Among these natural enemies few of them are utilized as a biological control agent for suppress the lepidopteran, caterpillar pests, grampod borer, leafhopper. Keywords: Agro-ecosystem;insect pests;climatic changes;crop field;environmental changes;India