Aphids, Mealybugs, Scale and Spidermites are the most common house plant pests. If not properly treated, any one of these bugs could cause serious damage, even death, to your plants.
Mealybugs: crawling insects that are closely related to scales. As the pinkish bugs mature, they form a white cottony mass. They damage plants by sucking out sap of the underside of the leaves. This may cause leaf distortion, yellowing, stunting and the death of the plant.
--best solution is to dip a cotton swab in alcohol and touch it to the colony of pests. These are difficult pests and if the plant is overwhelmed, it may need to be tossed.
Aphids: green, red, pink, brown or black soft-bodied insects that infect most garden plants. Aphids are usually about 1/8