Distribution: Silverleaf whitefly populations persist in California's southern deserts, primarily the Imperial, Palo Verde and Coachella valleys. They also are found in the southern San Joaquin Valley, where the impact is heaviest on cotton. Other US states affected by SLW are Arizona, Texas and Florida.

Where can whiteflies be found?

Whiteflies can be found on a wide variety of plants, from ornamental flowers to warm-weather vegetables, including tomatoes, eggplant, peppers, and okra. Some species may attack sweet potatoes, plants from the cabbage family, and citrus trees.

Where are whiteflies most common?

Host Plants

As its name suggests, the Greenhouse whitefly is most commonly found in greenhouses. It may also be found on houseplants and, in temperate climates, in gardens. The Greenhouse whitefly is a particularly voracious species and feeds on a very broad range of host plants.