Originally Posted by marsye
I wish I knew!! We have huge black ants!!
This look like the ants that build nest in the hollow of trees. We trimmed last year & when DH cut off this big live limb it was hollow in side & guess what came pouring out of it. He totally freaked out cause he was about 50 ft up in the air on a platform. Luckily he had a can of wasp spray & got them but I have never seen so many ants.