How to Treat Fruit Flies in Guavas

Fruit flies will ruin your harvest so treat them early for prevention.
Fruit flies will ruin your harvest so treat them early for prevention. (Image: Jupiterimages/ Images)

Fruit flies are a headache for most gardeners as the flies can attack fruis and ruin your harvest. Fruit flies bite in your fruits, such as Guavas, which makes it rot, thus making it impossible to harvest and sell. The best way to protect your fruit from flies is by spraying chemical or organic pesticides over the plants and fruits which in turn will kill nearly all of the fruit flies.

Things You'll Need

  • Premixed pesticide
  • Spray
  • Honey
  • Plastic bottle
  • String
  • Knife
  • Oil
  • Kerosene

Fill a sprayer with a premixed organic or chemical pesticide of your choice.

Pump up the sprayer and go around in your garden spraying your guava trees with a pesticide to prevent fruit fly infestation.

Fill a plastic bottle with honey and some water. Shake the mixture until the honey dissolves in the water.

Cut a 2-inch hole in the neck of the bottle using a sharp knife. Wrap a string around the neck of the bottle and hang it up on a tree. The sweet smell of the honey will seduce the flies into the bottle and they will suffocate in the water.

Tips & Warnings

  • Collect already infested fruits and burn them in kerosene or cover them in cooking oil.

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