Scientific Name - Orseolia oryzae
Occurrence Stage - Seedling Stage, Vegetative Stage
Nature of Damage - Maggots feed on leaves and growing points
Damage Symptoms - Formation of galls like Onion-leaf and silver-shoots
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Source: Fertilizer India |
 Source : IRRI |
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Figure 18 Life Cycle of Rice Gall Midge |
Figure 19 Silver-shoot Symptoms of Rice Gall Midge |
Best Control Measure
Flooding and drainage of plots
Control the sowing date
Fallowing
Reduce application of Nitrogen and Potassium
Cultivate early maturing varieties
Set up light traps
Chemical Control
Apply Diazinon granules between 14-28 days after sowing
Chlorpyrifos/ Isofenphos (seed treatment)
Apply Ethoprophos between 30 days after transplanting
Carbofurum EC 0.45-0.6 Kg/ha ( Systemic pesticide)
Use contact insecticides at remommended rate.
Azinphos-methyl WP 0.3-0.5 Kg /ha
Diazinon EC 1.5 Kg / ha
Mephosfolan granules 0.5-1 Kg /ha
Phorate granules 1.0- 2.1 Kg/ ha
Use Organophospahte insecticides at recommended rate.
Phosphamidon EC 0.4-0.5 Kg/ ha
Salithion gramules 0.5-1.0 Kg/ ha
Fenitrothion+cynofenphos EC 1.15 Lit/ ha
