Mealybugs on Cannabis? (White Fuzzy Bugs)
Mealybugs are soft-bodied insects covered in white waxy coating. They suck sap, weaken plants, and excrete honeydew attracting mold.
Mealybugs on cannabis? White fuzzy bugs—see causes and analyze fast.
Common Causes
- Brought in on clones or plants
- Warm indoor conditions
- Lack of predators
How to Tell Which One You Have
White cottony masses on stems, leaf joints, undersides. Sticky honeydew, sooty mold, yellowing leaves.
FAQ
Kill them?
Neem oil, insecticidal soap, isopropyl alcohol spray. Repeat weekly. Ladybugs as biocontrol.
Spread fast?
Yes, especially indoors. Quarantine affected plants immediately.
Prevent?
Inspect all new plants, maintain airflow, beneficial insects.
Browse problem guides
- Scale Insects on Cannabis? (Brown Bumps)
- Leafhoppers on Cannabis? (Jumping Bugs)
- Verticillium Wilt? (Vascular Disease)
- Seedling Stem Rot Cannabis
- Stem Rot on Cannabis? (Collar Rot)
- Pythium Root Rot? (Slimy Brown Roots)
- Tobacco Mosaic Virus? (TMV on Cannabis)
- Wilting Cannabis Plants? (Entire Plant Drooping)