Chemical management

  • Application of dust and sprays of pyrethrum or BHC
  • Spray fenthion 100 EC @ 2 ml/ lit or malathion 50 EC @ 2 ml/lit.
  • Methyl eugenol traps:

Prepare bait with methyl eugenol 1% solution mixed with malathion 0.1%. Take 10 ml of this mixture per trap and keep them in 25 different places in one hectare between 6 a.m. and 8 a.m. Take 250 ml capacity wide mouthed bottle fitted with hanging device at its neck. Change the solution at fortnightly interval from March to July.