The occurrence of flower chafer beetle Oxycetonia versicolor Fabricius in brinjal has been studied in Dharmapuri district during 2018 -19 and 2019 -20. The survey was under taken in the major brinjal growing regions of Dharmapuri district during 2018-19 and 2019-20. In Dharmapuri district brinjal has been cultivated in precision farming and conventional method. The flower chafer beetle incidence was noticed in all the surveyed fields and the incidence was more during 45 days after transplanting and decreased after 75 days after planting. The number of beetles per ten plants was ranged between 0.