Vol. 12, Issue 3 (2023)

Author(s):
Divya Rawat, Payal Gupta, Bhawana Gahtori, Manish Chauhan and Prem Singh

Abstract:
The current investigation was carried out during the year 2022-23 at Department of Agriculture, Tula’s Institute Dehradun. During Rabi season, studies on the life cycle of Spodoptera litura under laboratory conditions was observed at 28 °C with 66% relative humidity. The study revealed that the pest passed through 4 stages viz egg, larva, pupa and adult. The incubation period lasted for about 2-4 days with an average of (5±0.57) days. The mean duration was (3.66±0.88), (4±0.57), (4.66±0.33), (4.33±0.88), (4.66±0.33) days for the 1st instar, 2^nd instar, 3^rd instar, 4^th instar and 5^th instar, respectively. Mean pupal duration was (12.33±3.84) days. The total life cycle from egg to emergence of adult was recorded; 8.33±0.88 (male) and 9.33±0.33 (female) days respectively.