Distribution of insects at Gokilapuram paddy field in Theni district, Tamilnadu

摘要

A study was carried out to observe the abundance, diversity, richness and evenness of insect species at Gokilapuram paddy fields in two cropping seasons per year during 2018-2020. The insects were collected at every month adapting sweep net, light trap and hand-picking methods. A total of 30 species under 8 orders including 22 families were recorded. Diversity of insects was high during second cropping season followed by first cropping season, 2019-2020 and was low in both the seasons of 2018-2019. Evenness was high during the second cropping season 2018-2019 but low during first cropping season, 2019-2020. The insect abundance was belonging to the families like Grambidae and Noctuidae but high richness was recorded in 2019-2020 during the two crops and the low richness was recorded in second cropping season in 2018-2019 in these families.