Red Spider Mite

Cucumber

Name: Red Spider Mite

Scientific Name: Tetranychus sp.

Crop: Cucumber

Description:

  • Warm and dry weather conditions are favourable for the occurrence of red spider mite infestation.

Damage Symptoms:

  • Red spider mites are found in large colonies on the underside of leaves, protected by silk webbing.
  • Yellowing of leaves between veins can be observed.
  • Leaves develop characteristic blotches, which become whitish.
  • Later, the entire affected leaf becomes discoloured and dries up.
  • In severe cases, complete defoliation may occur.

Preventive Measures:

  • Remove and destroy infected plant parts.
  • Spray neem oil.

Control Measures:

  • Spray wettable sulfur (3-5 g/l) or dicofol (2.7 ml/l).