Spider Mites vs. Mealybugs on Dracaena: Identification and Treatment

Dragon trees (Dracaena) had white fluff at leaf-stem junctions; underneath, leaves yellowed. Owner couldn't distinguish spider mites vs. mealybugs and worried about spread.

Differentiation

• Spider mites: Microscopic spiders; fine webs visible only in bright light.
• Mealybugs: Soft yellow insects wrapped in cottony wax—look like tiny cotton bits.

Universal Treatment

Both respond to:

• Rubbing alcohol spray OR
• 1 tbsp dish detergent/quart water spray

Apply to all leaf surfaces every 3 days for 3 weeks, then weekly for 3 more weeks.

Prevention

• Quarantine affected plants 2–3 weeks.
• Early signs: webbing or cottony dots.
• Stress (water/light issues) invites infestations.

Persistence eradicates either pest.