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
- 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
| | | |
| Symptom | V - shape notching |
| | | |
| M. subfasciatus | M. discolor | M. viridanus | Adult |
