Whiteflies are a family of sap-sucking insects which feed on the sugar-containing phloem of plants. The silverleaf whitefly Bemisia tabaci is particularly widespread worldwide and is greatly feared as ...

Whiteflies will suck the sap out of plant leaves, causing them to yellow and weaken. Removing or hosing down the infested leaves can help quell these pests. Companion planting with flowers that repel ...