• Grub bore into pseudostem making tunnels
• Cutting holes on outer surface
• Exudation of plant sap-initial symptom and blackened mass comes out from the bore hole 
• Tunneled part decomposes and pseudostem wilts.

Identification of pest

• Eggs: Laid at random on cut ends of pseudostem, yellowish-white, cylindrical in shape
• Grub: Apodous, creamy white with dark brown head
• Pupa: Pale yellow colour, fibrous cocoon formed inside the tunneling on the periphery
• Adult: Robust, reddish brown and black weevil

• Remove dried leaves periodically and keep the field clean
• Prune the side suckers every month
• Use healthy and pest free suckers to check the pest incidence
• Do not dump infested materials into manure pit
• Uproot infested trees, chop into pieces and burn
• Use longitudinally split pseudostem trap at 65/ha