Abstract
Rice is a staple food for many people in the world especially in Asian countries. Rice fields are economically important as well as ecologically valuable. A wide range of plant and animal species exist in rice fields. Rice fields are one of the biggest ecosystems that can be found in tropics, including diverse insect pests and their natural enemies. The present study was carried at Jeyamangalam, Theni District during November 2016 to January 2017. 40 species and 9 orders of insects were collected in the paddy field. The most abundant order was Hemiptera and Orthoptera. The species diversity index was determined using Richness indices and Margalef index R1. Diverse of insects can be potential effective way to conserve, use to enhance biodiversity to sustainable food security in agricultural ecosystem.
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