How to Get Rid of a Whitefly

Written by paul lin
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How to Get Rid of a Whitefly
Keep your greenhouse plants by preventing whitefly infestation. (Jupiterimages/ Images)

With the ability to lay bundles of eggs in unnoticeable locations underneath plant leaves, a whitefly infestation can be a gardener's worst nightmare. Flying and spreading eggs between multiple plants the whiteflies feed off the underside of plants and leaves by sucking the sugary sap. With a few tools found at your local home and garden store you can keep your whitefly infestation in check and maintain a healthy garden.

Skill level:

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Things you need

  • Insectide
  • Small vacuum
  • Cardboard pieces
  • Yellow paint
  • Brush
  • Petroleum jelly

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  1. 1

    Apply a layer of insecticide with active pyrethrin ingredients to the infested area. If the area is a plant place the insecticide on the underlying leaves. It may take up to one week for the whitefly infestation to disappear completely.

  2. 2

    Vacuum up the whiteflies and their eggs with a vacuum set on a low suction setting. To eliminate all whiteflies in the vacuum bag place it inside a freezer for 24 hours.

  3. 3

    Create a homemade trapping device with cardboard pieces, yellow paint and petroleum jelly. Paint the cardboard yellow, let dry and place the petroleum jelly on the surface. Place the traps around your garden. Painting the cardboard pieces yellow attracts the whiteflies to rest on them. The petroleum jelly traps the whiteflies. You may also buy yellow sticky traps at your local home and garden stores.

Tips and warnings

  • Always read instructions carefully when handling and applying insecticides or pesticides. Wear gloves when handling potentially harmful powders and sprays.

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