article_snippet: Sightings have since been reported in Norfolk, Suffolk, Essex, Kent, London and Hampshire.
article_snippet: But this year this year is expected to tighten this year hold on Britain and spread even further.
article_snippet: Experts say it is too early to know whether common varieties will have a boom year, because the volumes of rain we see this spring and summer will be much more closely tied to their fortunes.
article_snippet: Dr Bedford said: ‘If you spot these in your garden the best way to deal with these is to drown these in a bucket of soapy water, add a bit of household bleach, and then bury the remains 18 inches deep.
article_snippet: If these spread it could really affect British farmers.
article_snippet: If we allowed large numbers to develop in our gardens it will be a problem for commercial growers to control commercial growers because commercial growers are only allowed to use a certain limit of pesticides each year.
article_snippet: ’ Sarah Fuller, marketing director at Wyevale Garden Centres added: