Symptoms of damage

• Wilting of branches and then the entire vine.

Identification of pest

• Grub - Head is dark brown colour, pair of strong mandibles.
• Adult – Medium sized, grey coloured with a white spot in the center of each elytra.

Management

• Remove loose bark at the time of pruning to prevent egg laying

• Collect and destroy damaged plant parts

• Swab trunk with carbaryl 50 WP 2g/ lit

• Spray application of anf following insecticides

  • phosalone 35 EC 0.07%
  • quinalphos 25 EC 0.05%
  • carbaryl 50 WP  0.1%, first round immediately after pruning and repeat it 2-3 times