Re the above spread of blight. That is exactly how the Japanese Red beatle spread across England. They came in with a Batch of Asiatic Lillys has a consignment for a large well know Garden Centre were consquently sold nationwide through thousands of outlets and there you go "Bobs your Uncle" Nationwide infeatation.

Regards Pierre.

Ps."Bobs your uncle" is a very old saying in England genually used to make a point.