ADULT LONGEVITY, FECUNDITY, AND POPULATION-GROWTH RATES FOR TRIALEURODES RICINI MISRA (HOMOPTERA, ALEYRODIDAE) AT DIFFERENT CONSTANT TEMPERATURES

Longevity and reproductive potential of adult males and females of Tri aleurodes ricini Misra were determined under laboratory conditions at four constant temperatures (20, 25, 30, and 35 +/- 1 degrees C). The r esulting data were used to calculate life tables and rates of increase at each temperature. Females of T. ricini oviposited means of 183, 22 4, 294, and 132 eggs at 20, 25, 30, and 35 degrees C, respectively, an d had a mean longevity of 38.52, 28.15, 15.78, and 10.11 days at the s ame four temperatures. The net reproductive rate was 49.92, 72.26, 111 .08, and 38.44, and the daily intrinsic rate of increase was 0,05, 0.1 1, 0.18, and 0.15 at 20, 25, 30, and 35 degrees C, respectively. Gener ation times decreased from 69.88 to 24.92 days with increasing tempera ture. The results indicate that T. ricini can, in otherwise unlimited conditions, persist and increase in numbers within the range 20-35 deg rees C.