How to Naturally Control Black Flies in Halifax, NS

Black fly larvae require moving water to survive. So what you want to do is stop the flow of water, or at least temporarily. And the ideal time for this is immediately after ice starts to leave, or as late as mid-May in Nova Scotia.

Here are some ways to naturally control Black Flies in Nova Scotia:

• Stop the flow of water with a temporary dam (if it feasible and legal in your jurisdiction).
• Remove brush and debris from nearby streams because Black Fly larvae need something to attach to.