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Mystery Webbing and Inchworms on Spider Plant: Outdoor Hitchhikers

Likely Source

The "inchworms" and webbing are not typical indoor pests. They likely came in with the new soil you added. Common outdoor caterpillars or spider mites with heavy webbing.

Treatment

Spray with rubbing alcohol + liquid soap solution. Wait 24–48 hours, repeat if any live pests remain. Inspect soil surface for more.

Prevention

Use sterile potting mix. Avoid adding garden soil or compost to indoor plants.

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