I have a huge colony of Carpenter Ants that reside in a tree on my
propery. I've tried so many chemicals over the years and nothing
works. They continue to hollow out my tree because I see huge piles
of saw dust every week in the summer at the base of my tree. I can
see where they go into the tree about 5 feet off the ground. I've
sprinked Diazonon everywhere and it doesn't help. How can I kill this
colony of Ants?
The Ant Block product for protein- and sweet-eating ants is what you
want, not the Fire Ant bait. You may know this, but I'll add it
anyway... :) Carpenter ants don't feed on wood, they simply bore
tunnels/cavities to use as nesting sites. They feed on dead and
living insects, aphid nectar, etc., ...
I suspect you've been using baits that aren't particularly attractive
to them. Diazanon has been removed from the market for some time now
(unless there's a source I'm unaware of which I would like to know
about if so) so any you have left may be pretty much ineffectual.
I picked up a hand pump spray type bottle of something labeled Enforcer
brand that I sprayed around the bottom of our utility shed that was once
crawling with carpenter ants. Never saw another on the shed for the rest of
the season. When I saw how well it worked I went around our firewood racks
as well (and I do mean the racks themselves not the actual firewood). I was
a skeptic at first because I've tried a lot of stuff in the past, but this
one really worked for us, YMMV. I expect we'll need to retreat in the
spring though. Best product I've ever seen for this problem, I'll probably
do around the house foundation as well this time.
The tree had a problem before the ants moved in .. they like damp/rotted
wood, so by getting rid of that you will get rid of the ants. Have an
arborist look at the tree. And quit dumping Diazinon
everywhere..typical lunkhead cure for everything that crawls.
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