The present experiment was carried out in the field at the Faculty of Agriculture, Wadura, North Kashmir during 2015-16. Fifteen (15) insect pest and natural enemies of crop plants, belonging to 5 different orders were recorded in the oats (Avena sativa L.) agro ecosystem. Soil borne insects viz. white grubs (Holotrichia longipennis, Brahmina spp, Melolontha furcicauda and Oryctes spp), wireworm (Agriotes spp) and cutworm (Agrotis spp); sucking pests including wheat aphid (Schizaphis graminum), green stink bug (Carpocoris spp), aster leafhoppers (Macrosteles quadrillineatus), broad-headed bug (Camptopus lateralis) and oat thrips (Stenothrips graminum) and foliage pests including cereal leaf beetle (Oulema melanopa L.), surface grasshopper (Chrotogonus trachypterus Blanchard), armyworm (Mythimna separata) and gram pod borer (H. armigera) appeared as pests in the oats field. Among the insect pest complex M. separata, O. melanopa, H. armigera are appeared as major pests in North Kashmir district of Baramulla. However, syrphid fly (Eristalis spp), dragon fly (Aeshna spp), damsel fly (Agriocnemis femina), lady bird beetle (Coccinella septempunctata Linnaeus), lace wing (Chrysoperla spp), pale damsel bug (Nabis capsiformis),ground beetle (Pterostichus melanarius) andspider (unidentified) appeared as natural enemies associated to insect pest complex of oats.