Whiteflies - Houseplants Pests and how to Control them
Whiteflies are tiny, white moth-like insects which occur in clusters on the underside of leaves of most houseplants. They are common in Begonia, Fuchsia, Impatiens and Pelargonium. They are sap-sucking insects, which secrete a honeydew sticky substance which attracts a sooty black mold. Infestation results in leaves turning yellow and dropping, stunted growth and sticky sooty mold on leaves.
- Prevention can be by use of Aluminium reflective mulch which deters the flies from attacking.
- A light infestation can be dealt with by use of yellow (they are attracted to yellow colored objects) sticky pads; where they are then trapped.
- A heavy infestation can be dealt with by spraying a Permethrin-based insecticide at 3 days interval to minimize infestation.
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