There's not a lot you can do. For the short term you can kill them, but as
you say they are everywhere. Each time you kill a colony it just leaves a
space for some more to move in.

Martin.

Marcus Fox wrote in message
...
Any way to prevent these appearing in the summer? Usually I don't mind the
odd nest or two, but there are hordes of them, and every summer I get
bitten
at least a dozen times.

Marcus