Symptoms of damage
| Symptoms of damage Flat slug like green larva bores into buds, flowers and green pods and feeds inside the developing grains Presence of regular, big, circular borehole on the flowers and pods. Black ants hovering around the plants Identification of the pest Eggs: Round, sculptured, laid singly on flower buds, tender pods, shoots and leaves. Egg period 3 – 4 days. Larva – * Flat, slug like, green or yellowish green, red coloured mid stripe and few hairs. * Larval period 8 – 10 days. * Prepupal stage - 2 – 3 days. Adult - Blue butterfly, having five black spots on the dorsal surface of the hind wing and two black spots on the ventral surface. Wings are blue on upper side and grey on lower side. | |
| Management Spray any one of the following insectcides (Spray fluid 500 l/ha) Emamectin benzoate 5%SG 220 g/ha Indoxacarb 15.8%SC 333 ml/ha NSKE 5% twice. Neem oil 2% |
- Flat slug like green larva bores into buds, flowers and green pods and feeds inside the developing grains
- Presence of regular, big, circular borehole on the flowers and pods.
- Black ants hovering around the plants
Identification of the pest Eggs: Round, sculptured, laid singly on flower buds, tender pods, shoots and leaves. Egg period 3 – 4 days. Larva – * Flat, slug like, green or yellowish green, red coloured mid stripe and few hairs. * Larval period 8 – 10 days. * Prepupal stage - 2 – 3 days. Adult - Blue butterfly, having five black spots on the dorsal surface of the hind wing and two black spots on the ventral surface. Wings are blue on upper side and grey on lower side.
- Blue butterfly, having five black spots on the dorsal surface of the hind wing and two black spots on the ventral surface.
- Wings are blue on upper side and grey on lower side.
Management
Spray any one of the following insectcides (Spray fluid 500 l/ha)
- Emamectin benzoate 5%SG 220 g/ha
- Indoxacarb 15.8%SC 333 ml/ha
- NSKE 5% twice.
- Neem oil 2%