Cabbage butterfly: Pieris brassicae, P.rapae
Symptoms of damage:
- Defoliation
- Bores into the heads of cabbage
Identification of pest:
- Larva: Velvetty bluish green in colour with black dots, Yellow dorsal and lateral stripes covered with white hairs.
- Pupa: chrysalis which takes place in leaves and stem
- Adult: White butterfly
Management:
- Collect and destroy caterpillars in the early stage of attack
- Conserve parasitoids like Cotesia glomeratus
- Spray insecticides like quinalphos 25 EC @1000 ml
Source-
- TamilNadu Agritech Portal