Mealybugs on Alocasia Zebrina: Causes & How to Fix
Quick answer
Mealybugs on Alocasia Zebrina: Mealybugs look like tiny white cotton clusters in leaf axils, stem joints, and undersides - they suck sap and leave sticky honeydew behind.

Why is my Alocasia Zebrina getting mealybugs?
This guide covers mealybugs on Alocasia Zebrina. See also the general Mealybugs guide, watering, and light pages for this plant.
Common causes
New plant introduction
Mealybugs often hitchhike on nursery plants and spread before symptoms are obvious.
Crowded plant shelves
Touching foliage between pots makes it easy for crawlers to migrate.
Plant stress
Overwatering, low light, and nutrient issues weaken plants and make them more susceptible.
Warm indoor temperatures
Consistent room temperatures allow mealybugs to reproduce year-round indoors.
Missed early treatment
Small colonies double quickly when not removed before the next generation hatches.
How to fix it
- Isolate the affected plant
- Remove visible bugs manually
- Apply insecticidal soap or horticultural oil
- Inspect neighboring plants
- Clean the growing area
- Monitor for six weeks
When to worry
Treat promptly if colonies spread to multiple plants, new growth deforms, or sooty mold appears on leaves.