Earhead bug: Calocoris angustatus |
Symptoms of damage:
- Nymphs and adult suck the juice from within the grains when they are in the milky stage.
- Grains shrink and turn black in colour and ill filled (or) chaffy.
- Presence of large number of nymphs and adults are seen on the ear head.
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Grains shrink |
Presence of insect |
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Identification of the pest:
- Egg: Blue cigar shaped, laid under the glumes or into the middle of the florets
- Nymphs: Slender, green in colour
- Adults: Male is green in colour. Female is green with a brown margin
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Egg |
Nymphs |
Management:
- Spray carbaryl 50 WP @ 1.0 kg/ha at milky stage
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