Biology of UvnptoteocrtottfLJwasstu incubation period was 5.31 days. The larva passed through five instars in 20.56 days. The duration of each larval instar from first to fifth, respectively was 4.60,3.50,3.56,3.20 and 5.70 days during September to November, 1967. The pupal period was 13.20 days and total life cycle from egg to adult was 42.47 days.