Riptortus pedestris
- Defoliation in early stages
- Larva’s head alone thrust inside the pods and the rest of the body hanging out.
- Pods with round holes
Identification of the pest
- Eggs – are spherical in shape and creamy white in colour, laid singly
- Larva - shows colour variation from greenish to brown. Green with dark brown grey lines laterally
- on the body with lateral white lines and also has dark and pale bands.
- Pupa – brown in colour, occurs in soil, leaf, pod and crop debris
- Adult - light pale brownish yellow stout moth. Fore wing grey to pale brown with V shaped speck.Hind wings are pale smoky white with a broad blackish outer margin.
Adult
Management
ETL: 10% of affected pods
- Pheromone traps for Helicoverpa armigera 12/ha
- Mechanical collection of grown up larva and blister beetle
- Ha NPV 3 x1012 POB/ha in 0.1% teepol
- Apply any one of the following insectcides:
- Azadirachtin 0.03%WSP 2500-5000 g/ha
- Bacillus thuringiensis serovar kurstaki (3a,3b,3c) 5%WP 1000- 1250 g/ha
- Emamectin benzoate 5%SG 220 g/ha
- Indoxacarb 15.8%SC 333 ml/ha
- NPV of H. armigera 2% AS 250-500
- Quinalphos 25%EC 1400 ml/ha
- Spinosad 45%SC 125-162 ml/ha
- Phosalone 0.07%(Spray fluid 625 ml/ha) (Note : Insecticide / Ha NPV spray should be made when the larvae are upto third instar)
- Pheromone traps for Helicoverpa armigera 12/ha
- Mechanical collection of grown up larva and blister beetle
- Ha NPV 3 x1012 POB/ha in 0.1% teepol
- Apply any one of the following insectcides:
- Azadirachtin 0.03%WSP 2500-5000 g/ha
- Bacillus thuringiensis serovar kurstaki (3a,3b,3c) 5%WP 1000- 1250 g/ha
- Emamectin benzoate 5%SG 220 g/ha
- Indoxacarb 15.8%SC 333 ml/ha
- NPV of H. armigera 2% AS 250-500
- Quinalphos 25%EC 1400 ml/ha
- Spinosad 45%SC 125-162 ml/ha
- Phosalone 0.07%(Spray fluid 625 ml/ha) (Note : Insecticide / Ha NPV spray should be made when the larvae are upto third instar)
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| 2. Spotted pod borer: Maruca testulalis |
| Symptoms of damage Bore holes on the buds, flower or pods Infested pods and flowers are webbed together. | |
| Identification of the pest Larva - Greenish white with brown head. It has two pairs of dark spots on the back of each segment Adult - Forewings - light brown colour with white markings; Hindwings – white colour with brown markings at the lateral edge |
| Management: ETL: 3 larvae/plant Pheromone traps for Helicoverpa armigera 12/ha Mechanical collection of grown up larva and blister beetle Ha NPV 3 x1012 POB/ha in 0.1% teepol Apply any one of the following insectcides: Azadirachtin 0.03%WSP 2500-5000 g/ha Bacillus thuringiensis serovar kurstaki (3a,3b,3c) 5%WP 1000- 1250 g/ha Emamectin benzoate 5%SG 220 g/ha Indoxacarb 15.8%SC 333 ml/ha NPV of H. armigera 2% AS 250-500 Quinalphos 25%EC 1400 ml/ha Spinosad 45%SC 125-162 ml/ha Phosalone 0.07%(Spray fluid 625 ml/ha) (Note : Insecticide / Ha NPV spray should be made when the larvae are upto third instar) |
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| 4. Blue butterfly: Lampides boeticus |
| Symptoms of damage Buds, flowers and young pods with boreholes Presence of slug like caterpillar. Honey dew secretion with black ant movements Identification of the pest Larva – It is flat and slightly rounded; Pale green with a rough skin. Adult - moth is greyish blue with prominent black spots in the hind wings and a long tail; Ventral side of wings with numerous stripes and brown spots | |
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| 5. Grass blue butterfly: Euchrysops cnejus |
| Symptoms of damage Buds, flowers and young pods with boreholes and presence of slug like caterpillar. Larval entry hole on the pod is plugged with excreta. Identification of the pest Larva - pale green or yellow with a red line and short black hairs on the body. Adult - butterfly is blue, medium sized with 5 black spots in the hind wings and two black spots in the inner margin. | |
| Management of pod borer complex ETL 10% affected parts Deep summer ploughing in 2-3 years to eliminate quiescent pupa. Early sowing, short duration varieties. Avoid closer plant spacing. Grow tall sorghum as comparison crop to serve as biological bird perches Collect and destroy larvae and adults to the extent possible Install pheromone traps at a distance of 50 m @ 5 traps/ha for each insect pest. Install Bird perches @ 50/ha. Setting of light traps (1 light trap/5 acre) to kill moth population. Control is achieved by releasing of Trichogramma chlionis at weekly intervals @1.5 lakh/ha/ week for four times. Conserve green lacewing, predatory stink bugs, spider, ants Application of NPV 250 LE /ha with teepol 0.1% and Jaggery 0.5% thrice at 10 – 15 days interval commencing from flowering stage. (Note: Insecticide / Ha NPV spray should be applied when the larvae are in early stage). Bt @ 600 g, neem oil/ pungum oil 80 EC @ 2ml/lit Spray NSKE 5% twice followed by triazophos 0.05%. Apply any one of insecticide at 25 kg/ha.quinalphos 4D, carbaryl 5D Spray insecticide like Quinalphos 25 EC @ 1000 ml/ha. |
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| 2. Leaf hopper: Empoasca kerri |
| Symptoms of damage Leave mottled and yellowish in colour Green colour insects found under surface of leaves Identification of the pest Adult – elongate , active, wedge shape, green insects |
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| 4. Lab lab bug or Stink bug: Coptosoma cribraria |
| Symptoms of damage Cluster on the plant parts and suck the sap Identification of the pest Nymphs and Adult - sub globular, oval and greenish shield bug. It has a characteristic buggy odour |
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| 5. Whitefly: Bemisia tabaci |
| Symptoms of damage Leave mottled and yellowish in colour vector of yellow mosaic virus Identification of the pest Adults -are small, yellow bodied insects with white wings which are densely covered with a waxy powder. Nymphs and pupae -are black and round or oval. Pupae have marginal bristles |
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| Management of sucking pests Shaking the infested plants over the vessels of oil and water or oily cloth gives most effective Spray methyl demeton 25 EC 500ml or dimethoate 30 EC 500 ml or phosphomidon 85 WSC 250 ml/ha |
- Bore holes on the buds, flower or pods
- Infested pods and flowers are webbed together.
- Larva - Greenish white with brown head. It has two pairs of dark spots on the back of each segment
- Adult - Forewings - light brown colour with white markings; Hindwings – white colour with brown markings at the lateral edge
Management:
- ETL: 3 larvae/plant
- Pheromone traps for Helicoverpa armigera 12/ha
- Mechanical collection of grown up larva and blister beetle
- Ha NPV 3 x1012 POB/ha in 0.1% teepol
- Apply any one of the following insectcides:
- Azadirachtin 0.03%WSP 2500-5000 g/ha
- Bacillus thuringiensis serovar kurstaki (3a,3b,3c) 5%WP 1000- 1250 g/ha
- Emamectin benzoate 5%SG 220 g/ha
- Indoxacarb 15.8%SC 333 ml/ha
- NPV of H. armigera 2% AS 250-500
- Quinalphos 25%EC 1400 ml/ha
- Spinosad 45%SC 125-162 ml/ha
- Phosalone 0.07%(Spray fluid 625 ml/ha) (Note : Insecticide / Ha NPV spray should be made when the larvae are upto third instar)
- Dropping of flowers and young pods
- Older pods marked with a brown spot where a larvae has entered
- Larva – greenish initially, turns pink before pupation.
- It has 5 black spots on the prothorax
- Brownish grey moth
- Prothorax – orange in colour
- Fore wing - has a white stripe along the anterior margin
- Buds, flowers and young pods with boreholes
- Presence of slug like caterpillar.
- Honey dew secretion with black ant movements
- Larva – It is flat and slightly rounded; Pale green with a rough skin.
- Adult - moth is greyish blue with prominent black spots in the hind wings and a long tail; Ventral side of wings with numerous stripes and brown spots
- Buds, flowers and young pods with boreholes and presence of slug like caterpillar.
- Larval entry hole on the pod is plugged with excreta.
- Larva - pale green or yellow with a red line and short black hairs on the body.
- Adult - butterfly is blue, medium sized with 5 black spots in the hind wings and two black spots in the inner margin.
Management of pod borer complex
- ETL 10% affected parts
- Deep summer ploughing in 2-3 years to eliminate quiescent pupa.
- Early sowing, short duration varieties.
- Avoid closer plant spacing.
- Grow tall sorghum as comparison crop to serve as biological bird perches
- Collect and destroy larvae and adults to the extent possible
- Install pheromone traps at a distance of 50 m @ 5 traps/ha for each insect pest.
- Install Bird perches @ 50/ha.
- Setting of light traps (1 light trap/5 acre) to kill moth population.
- Control is achieved by releasing of Trichogramma chlionis at weekly intervals @1.5 lakh/ha/ week for four times.
- Conserve green lacewing, predatory stink bugs, spider, ants
- Application of NPV 250 LE /ha with teepol 0.1% and Jaggery 0.5% thrice at 10 – 15 days interval commencing from flowering stage. (Note: Insecticide / Ha NPV spray should be applied when the larvae are in early stage).
- Bt @ 600 g, neem oil/ pungum oil 80 EC @ 2ml/lit
- Spray NSKE 5% twice followed by triazophos 0.05%.
- Apply any one of insecticide at 25 kg/ha.quinalphos 4D, carbaryl 5D
- Spray insecticide like Quinalphos 25 EC @ 1000 ml/ha.
- Leaves, inflorescence stalk and young pods covered with dark coloured aphids
- Honey dew secretion with black ant movements
- Nymphs and Adult – dark coloured with cornicles in the abdomen
ETL: 20/2.5 cm shoot length
- Methyl demeton 25%EC 500ml/ha
- Imidacloprid 17.8 SL 100-125 ml/ha
- Thiamethoxam 25% WG 100 g/ha
- Leave mottled and yellowish in colour
- Green colour insects found under surface of leaves
- Leave mottled and yellowish in colour
- vector of yellow mosaic virus
- Adult – elongate , active, wedge shape, green insects
- Pods with black spots
- Shedding of green pods
- Poorly filled pods with shriveled grains inside
- Brownish black and hemispherical
- Nymphs – resemble dark brown ants
Spray any one of the following insectcides (Spray fluid 500 l/ha)
- Dimethoate 30% EC 500ml/ha
- Cluster on the plant parts and suck the sap
- Nymphs and Adult - sub globular, oval and greenish shield bug.
- It has a characteristic buggy odour
- Adults -are small, yellow bodied insects with white wings which are densely covered with a waxy powder.
- Nymphs and pupae -are black and round or oval. Pupae have marginal bristles
Management of sucking pests
- Shaking the infested plants over the vessels of oil and water or oily cloth gives most effective
- Spray methyl demeton 25 EC 500ml or dimethoate 30 EC 500 ml or phosphomidon 85 WSC 250 ml/ha
- The adult feeds voraciously on buds and flowers.
- Eggs - are light yellowish in colour and cylindrical in shape.
- Larva - Young grubs are white in colour.
- Adult – Elytra are black in colour with a round orange spot and two transverse wavy orange bands across the wings.
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| Gram pod borer: Helicoverpa armigera | Leaf hopper - Empoasca kerri |
| Spotted pod borer: Maruca vitrata | Pod bugs: Riptortus pedestris |
| Spiny pod borer, Etiella zinckenella | Whitefly – Bemisia tabaci |
| Blue butterfly: Lampides boeticus | Blister beetle: Mylabris phalerata |
| Bean Aphids: Aphis craccivora | |
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| Larva feeding the pod | Damaged pod | |
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| 3. Pod bugs: Riptortus pedestris |
| Symptoms of damage Pods with black spots Shedding of green pods Poorly filled pods with shriveled grains inside |
| Identification of the pest Riptortus pedestris Brownish black and hemispherical Nymphs – resemble dark brown ants | |
| Management: Spray any one of the following insectcides (Spray fluid 500 l/ha) Dimethoate 30% EC 500ml/ha |