Isolate the infested plant
Inspect leaves, stems, soil, and undersides of leaves
Remove visible bugs by hand
Rinse the plant with a strong stream of water
Wipe leaves with a damp cloth
Prune heavily infested leaves and stems
Treat with insecticidal soap
Treat with neem oil
Use rubbing alcohol on cotton swabs for small infestations
Replace the top layer of soil if needed
Repot with fresh sterile potting mix if infestation is severe
Clean the pot and surrounding area
Check nearby plants for spread
Repeat treatment every few days until pests are gone
Use sticky traps for flying insects
Avoid overwatering
Improve airflow around the plant
Quarantine new plants before placing them with others