Biology of Fall Army Worm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) on Maize Crop at Raipur (Chhattisgarh)

The field experiment were conducted at Research Cum Instructional Farm at IGKV, Raipur (C.G.) during kharif 2018, to know the biology of fall army worm, Spodoptera frugiperda on maize crop. The biology of fall army worm, Spodoptera frugiperda studied on genotype KSCH-972. Observation was made twice a day to record incubation, larval and pupal period separately. Gravid female was observed laying eggs with the fecundity 160-200 eggs in batches. Incubation, total larval and pupal period were observed to be from 2-4, 14-16 and 8- 10 days, respectively. The total life cycle of male and female was observed to be 29-35, respectively. Under laboratory conditions, the larvae fed on maize crop.