UC home and landscape guidelines for control of Whiteflies. Adult greenhouse whiteflies on undersides of leaves. Sweetpotato whitefly adults and nymphs. UC Management Guidelines for Whiteflies on Strawberry. Adult greenhouse whiteflies are solid white and hold their wings parallel (flat) to the top of the body.
The powdery white (1/16th inch long) greenhouse whitefly adults have wings . In addition to parasitizing whitefly nymphs, the adult females also kill whitefly. The whitefly goes through six stages, namely egg, first, second, third and fourth larval stage (which develops into a pupa) and adult. The adult whiteflies can.
Greenhouse whitefly adults have wings and are 1/16" long. Adults over a week period depending on the population and residual activity of the insecticide. From the pupae, new whitefly adults emerge to mate and repeat the cycle spreading Here's why: One of the parasitoids available for control, Encarsia formosa.