Whiteflies
Whiteflies belong to the class Insecta, order Homoptera, family Aleyrodidae. A complex of six different species attack Texas citrus including: citrus whitefly, Dialeurodes citri (Ashmead); cloudy-winged whitefly, Dialeurodes citrifolii (Morgan); woolly whitefly, Aleurothrixus floccosus (Maskell); Paraleurodes citri (no common name); sweet potato whitefly Bemisia tabaci (Gennadius); and the citrus blackfly Aleurocanthus woglumi (Ashby).
The adult whiteflies have their two pairs of wings covered with a white, powdery
wax
which gives the insects their common name (exception is the citrus blackfly).
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This site is maintained by Dr. Laurence Sistrunk, Dept. of Hort. Sci., Texas A&M University