Mealybugs seemingly appear out of nowhere, but oftentimes, they're brought into your home by way of another plant from the nursery or plant store, according to Leaf and Clay. Mealybugs are highly attracted to moisture, so they often gravitate to over-watered plants.

What causes mealy bug?

Mealybugs are attracted to plants with high nitrogen levels and soft growth; they may appear if you overwater and over-fertilize your plants.

How did my plant get mealybugs?

They come from warmer climates and can come into your home (or outdoor plants) by bringing home infested plants from a nursery. They spread from plant to plant and feed off of growth points. They are white, tiny little guys that form cottony nests where they are feeding.