Posted by Steve on 17:51:44 6/18/2015 from 188.8.131.52:
I wanted to post about this because I haven't seen anyone else online really mention it. We identified carpenter ants in the boards of our porch last year. Of course the person who found them opened up their galleries and they appear to have moved.... but we didn't panic, we read up.
This year I have been on the hunt, but not an ant at all in the basement or on the first floor, just the back porch and coming in on the second floor sometimes (more recently).
I found a wooden fence post with a hole guarded by ants, I saw wings on them. I knew the time to act was now so I grabbed the carpenter ant bait I found and got them good.... but.... I just knew it wasn't the main colony. It was too small, not enough moisture either.
So last night, someone spilled watermelon and didn't clean it right away. We saw a mass of 50 ants, so after a cleanup and a search, I had a theory.
I took my bait, and I placed several drops of it... on the cable lines coming over to the house from the old telephone poles behind the houses. A big glob on the house side, and another one 8 inches down the wire.
A few hours later I went out with a flashlight, wouldn't you know the bait on the far side had a swarm of ants, they hadn't even found the one at the house yet.
Right into our second floor, and down the line to the first floor porch, both places we have seen them.
So I can bait them and maybe kill the current colony but, they will be back... so... isn't the right solution a physical barrier of some kind? Something that denies them travel over the lines?
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