Duration of immature stages of the two-spotted spider mite, Tetranychus urticae Koch, reared on eggplant leaves at constant temperatures of 21, 25 and 29°C was determined.Developmental threshold of the immature stages was 10.4°C.The mean number of degree-days required by T. urticae to complete its development was 133.5 DD.The total mortality from egg to adult emergence was 32.14, 26.8 and 30.36% a...
Duration of immature stages of the two-spotted spider mite, Tetranychus urticae Koch, reared on eggplant leaves at constant temperatures of 21, 25 and 29°C was determined.Developmental threshold of the immature stages was 10.4°C.The mean number of degree-days required by T. urticae to complete its development was 133.5 DD.The total mortality from egg to adult emergence was 32.14, 26.8 and 30.36% a...