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Spider Mite

Quick definition

Tiny arachnids (not insects) that feed on plant sap, causing stippled (speckled) yellowing leaves and often webbing, especially in hot, dry conditions.

In plain terms

Spider mites are almost invisible but devastating. They feed on plant sap, causing fine yellowish speckling on leaves. Heavy infestations produce fine webbing. They thrive in hot, dry conditions. Regular misting can suppress them (they hate humidity). Neem oil or insecticidal soap kills them; repeat weekly as eggs hatch. They multiply quickly—early detection is crucial.

Why this matters

Spider mites can kill plants quickly. Early detection prevents severe damage. Understanding their preference for dry conditions helps with control.

In practice

Examples

  • Indoor plant with spider mites: stippled, yellowing leaves; webbing on stems; misting and neem spray controls it.
  • Garden in hot, dry spell: spider mites explode; regular misting and water spray suppress them.
  • Severe infestation: leaves turn pale, drop; plant weakens; requires aggressive spray schedule.
  • Early detection: tiny webbing on leaf undersides; catch early for quick control.

Practical applications

  • Scout leaf undersides regularly; early detection prevents severe infestations.
  • Mist plants regularly; humidity discourages spider mites.
  • Spray with water to dislodge mites (temporary but helpful).
  • Neem oil or insecticidal soap: weekly sprays until controlled.
  • Improve air circulation; reduces mite populations.

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