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Leaf cutter bee – Kisan Suvidha
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Leaf cutter bee

Leaf cutter bee

Leaf cutter bee: Megachile anthracina

Symptoms of damage:

  • Leaf cutter bees cause characteristic damage to the rose leaves
  • Cutting neat circular or oval patches from the leaf margins.
  • Cut bits of leaves – used for the construction nest cells.

Identification of the pest:

  • Adult – hairy, medium sized dark insects
  • The base of the abdomen tinged with red- brown colour.
  • They build cells in crevices and cavities in hedges, dead wood etc.

Management:

  • Insecticides are ineffective for preventing leaf cutting.
  • Cover susceptible plants with cheesecloth or loose netting for preventing leaf injury damage
  • Breeding sites should be eliminated
  • Application of sawdust on the tunnel or thick-stemmed plants with hollowed opening
  • A number of leafcutter bees in an area can be reduced if breeding sites are eliminated.
  • Rotting wooden boards with sawdust pushed out of excavated tunnels
  • To prevent leafcutter bees from tunnelling into rose canes, seal exposed pith as canes are pruned.

 

Source-

  • TamilNadu Agritech Portal

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