In ,
David Hill typed:
"..... I've read that the real culprit in the Vine Weevil Explosion
was the widespread adoption of peat-based composts instead of real
soil for potting, though I can't assess the validity of this
observation. ...."

Once again you hit the nail on the head.


Not quite..... in my understanding it was more the switch to pot growing
rather then og that protected the beastie form its natural predators (ground
beetles)

Probable in fact a combination of the two

pk