Biology of leaf webber and capsule borer, Antigastra catalaunalis at Raipur, C.G

Abstract

Present study was carried out in the laboratory at Department of Entomology IGKV, Raipur (C.G.) during 2018.Freshly laid eggs of leaf webber and capsule borer, Antigastra catalaunalisi are conical iin shape and white in colouri. The egg measures about 0.40-0.49 imm in length and 0.20-0.25 mm in widthi. The fecundity ranged from 39 to 79. The iincubation period ranged between 2 to 3 days with an average ofi 2.34 days. The total ilarval period completed in 9-12 daysi with an average of 10.51days. The pupation occurred inside the webbed leaves and the total pupal duration ranged between 5-7 idays with an average of 6.33 days. The duration of male pupai varied from 3 to 4 days, with an average of 3.42 days, whereas the duration of female pupa varied from 3 to5 days with an average of 4.32 idays. The total life cycle (egg to adult emergence) varied from 21 to 29 days with an average of 25.40 daysi.