As aphids can move from plant to plant, it is also important to apply diatomaceous earth to the surrounding indoor plants.

Diatomaceous earth or neem oil is a good place to start. Tiny but potentially very destructive, thrips occur in colonies. They cause the same kind of destruction as aphids, but on a smaller scale.

Aphids inflict their damage by sucking on plant ... If necessary, pyrethrins, insecticidal soap or neem oil can be applied to the plants. Mealybugs are soft-bodied insects about 3/16th-inches ...