Brinjal Ash weevils: Myllocerus subfasciatus, M. discolor, M. viridanus
Symptoms of damage:
- Notching of leaf margins
- Grubs feed on roots causing wilting of plants
Identification of pest:
- Larva Grub: Small and apodous
- Pupa: Pupates in soil in earthen cocoons
- Adult:
-
- M. maculosus: Greenish white with dark lines on elytra
- M. subfasciatus: Brown
- M. discolor: Brown and white spots
- M. viridanus: Small light green weevil
Management:
- Collect and destroy adults
- Apply Neem cake @ 500 kg/ha at the time of last ploughing
- In endemic areas, apply carbofuran 3 G @15 kg/ha on 15 days after planting
- Spray carbaryl 50 WP @3g + wettable sulphur 2g/litre
Source-
- TamilNadu Agritech Portal