V. S. L. SARANYA*, B. S. RANAAND A. MURDIA

Investigation on the seasonal incidence of major insect pests of cauliflower, was carried out in the Department of Entomology, Rajasthan College of Agriculture, MPUAT, Udaipur, during two crop seasons 2015 – 2016 and , 2016 – 2017. Diamondback moth ( Linnaeus), aphids ( Kaltenbach, Linnaeus and Sulzer), flea beetle ( Duvivier) and painted bug ( Burmeister) were recorded as the majorinsect pests of cauliflower. Infestation by aphids and DBM, initiated in December and that of flea beetles and painted bug initiated in the month of January. The major insect pests reached their peak mean
populations during February-March. The population of the major insect pests was positively correlated with the mean atmospheric temperature, wind velocity and sunshine hours; and negatively correlated with relative humidity and rainfall during both the years.