White Fly
Whiteflies take some time to infest a plant outdoors, while on houseplants these minute flies increase at an incredible rate. Since they attack nearly every type of houseplant available, whiteflies are hard to control and prevent from attacking other new plants. As with all of the insects we have spoken about, there are some methods for controlling them and ridding your plants of them. But you also need to know when it's time to let go of your plant and just buy a new one!
If you just can't let go, try eradicating white flies by Sticking sticky papers to some leaves and stems to remove the bulk of the population. Spraying the flies directly with soap insecticide, direct contact must be made. Focus on spraying the undersides of leaves, where the larvae grow. Repeat weekly until all whiteflies are gone. With no natural predators indoors, whiteflies quickly get out of hand. They are more prevalent in some kinds of plants than others, for example, the ivy varieties including Devil's Ivy.