Field screening of 220 paddy accessions including 207 rice cultures, ten traditional varieties, two high yielding varieties along with a susceptible check (TN-1) was carried out against rice leaf folder, Cnaphalocrosis medinalis (Guenee) at Kodangudi village of Cuddalore district during Rabi 2021 under rainfed ecosystem. The leaf folder damage was recorded at 60 DAT and results varied between highly resistant (2.73%) and susceptible (0.45%). Out of 220 accessions, six accessions were ranked as highly resistance, one hundred and fifty five accessions are grouped as resistant (1- 10% leaf damage), fifty accessions were categorized as moderately resistant (11-20% leaf damage), eight accessions showed moderately susceptible character by recording between 21 – 35 per cent leaf damage. Only one variety was categorized as susceptible (36 – 50 % leaf damage). The susceptible check TN-1 recorded 44.36 per cent leaf damage.