Symptoms of damage:
- Terminal shoots wither and droop
- Shedding of buds and flowers
- Bore hole in fruits and fee
- Deformed fruits
Identification of pest:
E. Vitella:
- Egg: Sculptured egg and sky blue in colour
- Larva: Brownish with white streaks dorsally and pale yellow ventrally
- Adult: Forewing are pale with a wedge shaped green band in the middle
E. insulana:
- Larva: Brown with dorsum showing a white median longitudinal streak
- Pupa: Brown and boat shaped
- Adult: Forewing are uniformly silvery green
Management
- Set up pheromone trap @ 12/ha.
- Collection and destruction of affected fruits.
- Release of egg parasite Trichogramma chilonis @ 1.0 lakh/ha.
- Release of 1st instar larvae of green lacewing predator Chrysoperla carnea @ 10,000/ha.
- Dust carbaryl 10 % DP @ 25 kg /ha or spray Bacillus thuringiensis @ 2 g/lit or spray any one of the following insecticide
Insecticide |
ml or g/lit |
| Azadirachtin 0.03% WSP (300 ppm) |
5.0 g/lit |
| Azadirachtin 5% Neem Extract Concentrate |
5.0 ml/10 lit |
| Buprofezin 70 DF |
5.5 ml/10 lit |
| Emamectin benzoate 5 % SG |
3.0 g/10 lit |
| Malathion 50EC |
3.3ml/10 l. |
| Pyridalyl 10 % EC |
1.0 ml/lit |
| Quinalphos 20 AF/td>
| 1.5ml / l. |
| Quinalphos 25 % EC |
8.0 ml/10 lit |
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| Larvae of E. vitella feeding on okra fruit |
Eggs of E. vitella laid on okra fruit |
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| Larva |
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| Adult |
Symptom |
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