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29
Jul

Brown plant leafhopper ( pogayan)

 

1. Common name- Brown plant leafhopper.

 2. Scientific name - Nilaparvata lugens.

 3. Vernacular name - pogayan ( புகையான்)  .

Symptoms of damage of Brown plant leafhopper:

• Nymphs and adults congregate at the base of the plant above the water level.

• Affected plant dries up and gives

29
Jul

Whorl maggot ( Kuruthu EE)

 

1. Common name- Whorl maggot.

2. Scientific name - Hydrellia sasakii.

3. Vernacular name - Kuruthu EE ( குருத்து ஈ ) .

Symptom of damage of Whorl maggot:

• Maggot feeds on the tender tissue inside the whorl.

• Yellowish white longitudinal marginal blotching with hole.

&

29
Jul

Spiny beetle / Rice hispa (Mule vandu)

 

1. Common name - Spiny beetle / Rice hispa.

2. Scientific name - Dicladispa armigera.

 3. Vernacular name - Mule vandu ( முள் வண்டு ).

Symptoms of damage of Spiny beetle:

• Adults feed on chlorophyll by scraping and causing white parallel streaks.

• White patches along with l

29
Jul

Yellow hairy caterpillar ( Manchal kambalipuzhu)

1. Common name - Yellow hairy caterpillar .

2. Scientific name - Psalis pennatula .

3. Vernacular name - Manchal kambalipuzhu ( மஞ்சள கம்பளிப்புழு ).

Symptoms of damage of Yellow hairy caterpillar:

• Caterpillar causes defoliation.

Identification of Yellow hairy caterpillar:

• Caterpillar is yellowish brown with red stripes.

 • Orange head and tufts of

29
Jul

Rice horned caterpillar ( Pachhai kombupuzhu )

 

1. Common name - Rice horned caterpillar .

2. Scientific name - Melanitis ismene.

3. Vernacular name - Pachhai kombupuzhu ( பச்சை கொம்புப்புழு ).

Damage of Rice horned caterpillar :

• Larva feeds on leaf blades of rice.

• Leaves are defoliated fro

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