Scale Insects

Common Name: Scale Insects

Scientific Family Classification: Coccidae

Species: About 8000 species


  • Most scale insect have wax covering and are small and inconspicuous.
  • Comes in two forms: Soft Scale and Armoured Scale.
  • Soft scale are larger than armoured scale and lack protective shell as compared to armoured scale.
  • Have 3 or 4 instars in the female and 5 instars in the male.
  • Eggs are laid under the shell and the dust-like juveniles disperse from underneath.

Damage to plants:

  • Yellowing of leave, stunting of growth and eventually death of infestation is severe.
  • Encourages sooty mold to form from honeydew formation

Natural Enemy:

  • Ladybirds
  • Lacewings