Terro works very well, you just need to put some out near the holes so
that they will take it back in and feed the queen. I used Orange
cleaner as well to keep them away from the house.
Here's a link that helped me:

http://www.thefrugallife.com/ants1.html

Good luck!

On Mon, 16 Jun 2003 19:13:55 -0400, "steve podleski"
wrote:

There are dozens of red ant hills on our lawn; we are located near Windsor,
Ontario Canada. Is there an effective and efficient way of eliminating these
ants?