Incidence of (Grey semilooper) Gesonia gemma and Green semilooper (Chrysodeixis acuta) were also recorded on four dominate varieties (JS-335, JS-95-60, JS-93-05, RVS 2001-4) in soybean. Minimum of maximum temperature also shows declining trend. Rise of minimum temperature was from the 2009 to 2014 kharif season as compared to normal temperature. Minimum of minimum temperature shows (rising) ascending trend indicated the rise of temperature. Mean temperature difference in the period study indicated rise of was observed. Rainfall shows declining trend. As compared to normal rainfall it decreased by 352 mm, over the period of time. At the same time rainy days raised as rainy days. | Impact of onset of monsoon on the incidence of soybean leaf feeders