In article ,
Ron wrote:
Well. the flypaper is still catching blackfly and the war against the ants
continues but at least the aphids are very few on my runner beans - got to
leave some for the ladybirds! Talking of runner beans, I'll be picking
the first ten or twelve tomorrow.

Do you have a scrap of evidence that persecuting the ants has any
effect on the blackfly?


Regards,
Nick Maclaren.