Red spider mite: Tetranychus urticae, T. cinnabarinus
Symptom of damage

• Spider mite is the most serious pest on carnations
• Nymphs and adults suck the sap from undersurface of the leaves
• Affected leaves turn pale and have a dusty coating and fine webs. In severe attack the growth of the plants becomes  stunted.

Management

• Initiate management measures when the density of mite reaches 1/leaf (ETL).
• Use varieties having straight and flat leaves, which are proved to be resistant.
• Cleanliness and elimination of weeds will reduce the incidence of mite.
• Proper ventilation and water - prevent pest attack in greenhouse.
• Spraying of dicofol 18.5 EC @ 2 ml/l or wettable sulphur @ 3 g/l
• Spray application of chlorfenapyr 10 EC at 500 ml/ha (monthly interval)
• Fluvalinate 25 EC at 50 ml/ha also suppress T. cinnabarinus