Begonia Corms

[dibble1]

My Begonia corms (stored in the garage in paper bags over winter), have little white grubs inside them and they are going rotten. Also there appears top be no entry holes so I would guess the grubs have grown inside them. What are they and how can I prevent them?
Many thanks.

[bushcombe]

they are vine weevils i should think. you can get something to water on the soil to keep plants clear. Will look what it's called tomorrow and post again. is it possible to cut off the rot.

[bushcombe]

Just had quick look product you want is called PROVADO. I know it works.
repotted a dahlia yesterday and the pot had loads of them in, so i know how you feel

[dibble1]

Thank you very much indeed!