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Spider Mites

Tiny sap-sucking mites that are almost invisible to the naked eye, causing stippled, bronzed, or yellowing foliage and fine webbing between leaves.

Symptoms

  • check_circleFine stippling or bronzing on upper leaf surfaces
  • check_circleTiny moving dots visible on leaf undersides with a magnifying glass
  • check_circleFine silken webbing between leaves and stems
  • check_circleLeaves yellowing, curling, and dropping in severe cases

Causes

  • arrow_rightHot, dry indoor or outdoor conditions favour rapid multiplication
  • arrow_rightLow humidity
  • arrow_rightDusty leaf surfaces
  • arrow_rightWeakened or stressed plants
  • arrow_rightOveruse of pesticides killing natural predators

How to Diagnose

Hold a white sheet of paper under a suspicious leaf and tap it — mites will fall off as tiny moving specks. Webbing on the undersides of leaves confirms spider mite presence.

Treatment

Increase humidity around the plant. Spray leaves thoroughly with water to dislodge mites, paying attention to undersides. Apply neem oil or insecticidal soap spray every 5–7 days for 3–4 weeks. For severe infestations, use a specific miticide.

Prevention

Maintain good humidity (above 50%). Mist leaves regularly in hot, dry weather. Avoid dust buildup on foliage. Inspect new plants carefully before introduction.

Spider Mites in Plants | GreenScout