In order to understand seasonal incidence, crop loss estimation and management of yellow stem borer Scirpophaga incertulas (walker) on paddy, studies were conducted during 2015 at ZAHRS, College of Agriculture, Shivamogga. The highest incidence of dead heart and white ear was noticed during third week of April and third week of May. | Seasonal fluctuation of yellow stem borer scirpophaga incertulas walker on paddy and its relationship between trap catches with weather parameters