Description:

• Eggs are laid in tender leaves.
• The colour of the insects varies from yellow to grey.

Damage Symptoms:

• Thrips rasp and pierce the surface of the Onion plant with their mouthparts.
• Leaves develop small white, silvery patches.
• In cases of severe infestation, leaves dry up completely.

Preventive Measures:

• Avoid planting onion plants near wheat, alfalfa, or clover.
• Practice clean cultivation and regular hoeing.

Control Measures:

• Spray insecticides such as dimethoate @ 0.06% or profenofos @ 0.05%.