Spider Mites on Monstera?
How to spot them — and how to clear an infestation.
Spider mites are tiny sap-feeding pests that thrive in hot, dry air and show up as fine webbing and a yellow-white stippling on the leaves. They spread fast and often arrive on a new plant, so isolating and treating early matters. Snap a photo below for an instant diagnosis and the exact fix.
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The 3 causes, compared
| Cause | How to spot it | Fix |
|---|---|---|
| Hot, dry air / low humidity | Fine webbing plus yellow-white stippling on leaves | Rinse the foliage thoroughly, raise humidity, and treat with insecticidal soap or horticultural oil, repeating weekly |
| Dusty, stressed plants | Tiny moving specks on leaf undersides with stippling | Shower the plant to rinse mites off, isolate it, and treat weekly with insecticidal soap |
| Introduced on a new plant | Webbing appears suddenly on a recently added plant | Isolate the infested plant immediately and treat with insecticidal soap weekly until clear |
FAQ
- How do I know it's spider mites and not something else?
- Look for fine webbing between leaves and stems plus a yellow-white speckled stippling; tap a leaf over white paper and you may see tiny specks move.
- Do I need to treat nearby plants too?
- Yes — spider mites spread easily, so isolate the infested plant and check (and if needed treat) any plants that were touching it.