Mites are very small and are hard to see without a magnifying glass. Heavy infestations can cover the leaves with very fine webbing. The plants gradually lose their green color and appear dusty or speckled. Use a house plant insect spray according to label directions.
Whitefly is named for the adult, a small, white fly. The immature whitefly is a small, almost translucent scale- like insect. This insect is hard to control. Use a house plant spray specially formulated for whitefly.