Paddy thrips: Stenchaetothrips biformis (Bagnall) (Thripidae: Thysanoptera)

Local name: Thrips nusi

Damage symptoms

• Leaves look like burnt appearance

                              

                 Damaged leaves                          Damaged filed

Management

Cultural practice:

• Flooding to submerge the infested field for 2 days as a cultural control practice is very effective against the rice thrips

 Biological control:

• Coccinellid beetles, anthocorid bugs, and staphylinid beetles are biological control agents that feed on both the larvae and adults.

  Chemical control:

•  ETL: > 25% of leaves with damage, or 10 leaves per hill damaged
• Sufficient thin film of water should be maintained in the nursery
• Application of  phorate 10 G @ 75g or carbofuron 3 G @ 1.25kg / seed bed (300 sq mt area) followed by light  irrigation.
• Spray monocrotophos 36 SL 1.3ml/l