Whiteflies are hemipterans that typically feed on the undersides of plant leaves. They are classified in the family Aleyrodidae, the only family in the superfamily Aleyrodoidea. More than 1550 whitefly …

WHAT ARE WHITEFLIES? Despite its name, whitefly is not a true fly, but is closely related to aphids, mealybugs, and scale. These soft-bodied winged insects feed on plant sap, causing leaf damage …

Jan 21, 2026 · Whiteflies can be as small as 1/12 inch, are somewhat triangular in shape, and are often found in clusters on the undersides of leaves. They are active during the day and scatter when …

Dec 10, 2025 · Whiteflies often congregate on fresh growth and the undersides of plant leaves or around leaf veins, but they also fly up in swarms when disturbed. If you suspect your plants are infested, …

Apr 4, 2025 · Whiteflies feed on more than five hundred species of host plants. Greenhouse-grown ornamentals such as poinsettia, hibiscus, ivy, gerbera daisy, lantana, verbena, garden …

Jan 22, 2026 · Whitefly, any sap-sucking member of the insect family Aleyrodidae (order Homoptera). The nymphs, resembling scale insects, are flat, oval, and usually covered with a cottony substance; …

Prevent whitefly problems by reducing dusty conditions, choosing less susceptible plants, using reflective mulches, and avoiding pesticides that kill whitefly natural enemies.

Whiteflies are not true flies. They’re more closely related to scales, mealybugs, and aphids. These pests are more commonly associated with plants growing in greenhouses than those growing in homes. All …

Whiteflies are a common pest of plants, particularly greenhouse plants, and a vector of several plant diseases. Despite their name, whiteflies are not true flies. Rather, they are in the order Hemiptera …

Whiteflies are sap feeders that reduce the overall vigor of plants with their feeding. As whitefly infestations become severe, they cause plants to yellow and lose their leaves prematurely.