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30
Jul

Rice mealy bug

 

Scientific name : Brevennia rehi

Local name :

Damage of Rice mealy bug:

Both nymph and adult of mealy bug suck the sap by remaining concealed within leaf sheath of the plant which causes stunted growth and yellowish curled leaves in sunken oval or round patches of a normal crop and the plants may either die or pu

30
Jul

Rice Thrips

 

Scientific name : Baliothrips biformis

Local name :

Damage of Rice thrips:

1. This is essentially a pest of nurseries causing severe damage.

2. The larvae and adults lacerate the tender leaves and suck the plant sap causing rolling and drying of the leaf tips.

3. In severe infestation, the seedlings are killed.

30
Jul

Termite

 

Scientific name : Microtermes obesi .

Local name :

Damage of Termite: 

1. Termite feeding on the roots cause yellowing older leaves of plants, then wilting and finally collapsing of the plant.

2. Damaged plants can easily be pulled out by hand. Termite attack on the germinating seeds render to loss of plant stand a

30
Jul

Rice case worm

 

Scientific name: Nymphula depunctalis

Local name:

Damage of Rice case worm:

1. Larvae cut off the leaf tips and prepare a cylindrical tube like case and dwell inside it and often float in water.

2. They move with their cases and feed on leaves by scraping patches of green tissues sometime leaving only the

30
Jul

Leaf folder

 

Scientific name : Cnaphalocrocis medinalis.

 Local name:

Damage of Leaf folder:

1. Larvae fold the leaves, remain inside the fold and scrape green tissues between the veins which makes the leaves white and papery.

2. Gradually the leaves dry up and the field presents a scorched appearance.

Con

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