Natural Colonization of Australian Ladybird Beetle, Cryptolaemus montrouzieri Mulsant in Papaya Plantation infested with Paracoccus marginatus Williams and Granara de Willink in Tamil Nadu


  • Tamil Nadu Agricultural University, Department of Agricultural Entomology, Coimbatore, 641 003, India
  • Indian Institute of Horticultural Research, Division of Entomology and Nematology, Bangalore, 560 089, India


The role of Cryptolaemus montrouzieri as an effective predator of Paracoccus marginatus Williams and Granara de Willink was often doubtful. Natural colonisation of C. montrouzieri was observed on papaya at Sathyamangalam (Tamil Nadu). The number of larvae were 18 to 30 per leaf. The massive colonisation of C. montrouzieri, will help in its effective utilisation against P. marginatus.


Paracoccus marginatus, Cryptlolaemus montrouzieri.

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