"Nick Maclaren" wrote in message
...

In article ,
"Mary Fisher" writes:
|
| But living in a town makes more difference. If there aren't enough
| of both the winter and summer hosts in the vicinity, there won't be
| a permanent blackfly population. Same as for malaria.
|
| Are you saying that towns make for more or less hostile condition for
| blackfly?

More hostile for the blackfly, in general.

Thanks, that's encouraging :-)

Mary