Ear head bug: Calocoris angustatus
Symptom 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
- Orange and pale green nymphs and adults are seen on the ear head
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
Management:
- Apply any one of the following on 3rd and 18th day after panicle emergence
-
- Carbaryl 10 D @25 kg/ha
- Malathion 5 D @25 kg/ha
- Phosalone 4 D @25 kg/ha
- Neem seed kernel extract 5%
- Azadirachtin 1%
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Source-
- TNAU Agritech Portal
