Whitefly
belong to the order Hemiptera (true bugs ). Together with aphids and scale insects, they belong to the division Sternorrhyncha. The whiteflies form the family [...] quantities. This can have the following consequences: If the population is very large, feeding on plant sap can affect the physiology of the plant, as a result [...] family Aleyrodidae. The most common species are the greenhouse whitefly , Trialeurodes vaporariorum , and the tobacco whitefly , Bemisia tabaci . Both are