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Crop Protection :: Oil Seeds :: Pest of Coconut

Mealy bug: Pseudococcus longispinus 

Symptoms of damage:

  • Central leaves stunted, deformed and suppressed
  • Shedding of buttons

Identification of the pest:

  • Nymph: thick yellowish-orange
  • Adult: females range between 0.059 and 0.98 inches (1.5 and 2.5 mm) long, are oval in shape and reddish-brown to orange in color, covered by a yellowish-orange thick wax and with 10 to 12 pairs of marginal pyramid-shaped wax filaments. The dorsal surface of the body contains five to eight waxy filaments similar to the ones present on the side or lateral areas of the body.

 Management:

  • Remove leaflets harbouring these insects and destroy them
  • Spray any one of the following
    • Malathion 50 EC 2 ml/lit
    • Dimethoate 30 EC 1 ml/lit
    • Methyl demeton 25 EC 1 ml/lit
    • Phosphamidon 40 SL 1.25 ml/lit
    • Neem oil 30ml/lit.

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