Rice Butterfly and Its Control

Scientific Name - Nephotettix cincticeps

Occurrence Stage - Seedling Stage, Vegetative Stage, Flowering Stage 

Nature of Damage

• Both adults and nymphs suck the plant sap from leaves and stem. 

• Only high density can cause severe damage and economic losses.  

• Green leaf hopper is vector of virus disease.

Damage Symptoms

• Infected leaves turn yellow and dry up  

Best Control Measure 

• Plough the fallow field in the winter season

•  Plots that are cultivated early, may suffer more virus ddisease transmitted by leaf hopper

• Avoid over dose application of Nitrogen fertilizer

• Cultivate late maturing varieties with transplanting machine

• Keep the abundance of predators (spider) in the field

Chemical Control 

• Apply approved systemic insecticides at recommended rate 

• Acephate granules -0.022-0.033 Kg/ ha

• Acephate + Carbaryle granules

• Carbofuran granules 0.45-0.6 Kg

• Cholorodimeform granules 1.0- 1.5 Kg/ ha

• Diazinon granules 1-1.5 kg

• Disulfoton granules 0.1 Kg

• Dichrotophos 0.3-0.5 Kg

• Demeton-S-methyl 0.75 – 1.5 Kg

• Endosulfan granules 1.0 Kg