The problem is they just stop eating it. I can't find a bait they will
eat, commercial or home made. I don't even find much I eat that they
will get in. If they would I would make bait out of it.
I am spraying bifen and moving them around. I can eventually locate a
nest behind a wall or something and kill it but they come back.
That is also the problem with baits. You may kill that queen but the
next colony knows not to eat that ****.



Not sure - but you might have some bad advice -
if it's pharoah ants that you are talking about ..
See below - quoted from this discussion forum :

https://www.diychatroom.com/f51/how-...365265/index4/
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If that isn't convincing enough, here is another study for Pharaoh
ants done by the university of Purdue. This study showed about 50%
worker and queen mortality by Talstar (bifen It) and 100% mortality by
Termidor (Taursus Sc.)

https://www.entm.purdue.edu/ants/pubs/8.pdf

Bifen IT is a good product, like I said, I have it on my truck and use
it everyday. It works really good on lots of insects and it is very
affordable. But I don't know a single pest control professional that
uses it for ant control.
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I might be wrong but it seems like bifen is used for termites,
carpenter ants, roaches, and in agricultural ..
a residual toxin .. ? rather than a bait ?
John T.