Symptoms of damage
- Early instar larvae web the flower buds
- Matured larvae attack bunch of fruit
- Caterpillar bore into green berry fruit and tunneling
- Feeds on internal content
- Affected berries – known as “stung berries”
Identification of pest
- Larva - Small, pale green or pink with median red line.
- Adult - Small moth.
Management
- Collect and destroy the infested leaves and buried with soil
- Summer ploughing – kill the pupae
- Use pheromone trap to attract male and kill the adult
- Spot application of bubrofezin and acetemprid for effective manage this pest
| Larva attack grape bunch | Affected berries (stung berries) | Adult |