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Common Species:  Tetranychus cinnabarinus (Boisduval)

 

Common name:   Webspinning mites

                                 Pacific spider mites

                                 Two-spotte spider mites

                                 Strawberry spider mites

                                                                                              

Damaging stage:

  • Nymphs and adults

 

Crops Affected:

  • Solanaceous, cucurbits, brassicas, legumes, papaya

 

Characteristic Damage:

  • Initial damage due to feeding appears as light dots on the leaves.
  • Continuous feeding leads to leaf yellowing which later turns to bronze or reddish-brown and        drop off.
  • Webs are evident on plants infested with high population of red spider mites.

 

Management and Control:

  • Monitor the area regularly.
  • Prune heavily infested leaves and dispose properly.
  • Use natural enemies-predators such as sixspotted thrips (Scolothrips sexmaculatus), spider mite destroyer lady beetle (Stethorus picipes),  minute pirate bugs, bigeyed bugs, and lacewing larvae.
  • Spray botanical insecticides such as neem, hot pepper and kakawate extracts.
  • Apply insecticides such as abamectin (e.g. Agrimek®, Abamec®, Romectin 1.8 ECⓇ ,  AvidⓇ, OrtusⓇ, NissurunⓇ, AgriguardⓇ) alpha-Cypermethrin (e.g. FastacⓇ), lambda-Cyhalothrin (BidaⓇ, KarateⓇ, DescarteⓇ), dimethoate (e.g. Perfecthion®) or diazinon (e.g. Basudin®, Parapest®).

 

To view other diseases,  click here.

Need more help?  Ask the Doctor.