Rice Gall Midge and Its Control

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

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