SWEETPOTATO WHITEFLY, Bemisia tabaci (Gennadius) and GREENHOUSE WHITEFLY, Trialeuroides vaporariorum (Westwood)
Description	Picture	Damage
adults - about 1/16 inch in length four wings along dorsal part of the body covered with white waxy powder nymphs - light green, oval, flattened and about the size of a pinhead attached to leaf surfaces until they mature last instar more elevated and slightly segmented	Photo credit: W. L. Sterling, Department of Entomology, Texas A&M University	feed by sucking plant juices heavy feeding causes mottled leaves may cause yellowing or death excreted honeydew may conver lower leaves black sooty mold may grow on honeydew