StoneCloud
Omono
I've noticed a plethora of ant activity in my pots that have organics in them. So much so, that drainage has actually become an issue with a few, even though they were re-potted this year!
Ant moats, baiting with traps, sure. But can I just spray some death spray into the soil and begon with the bastards? Will anti-ant death spray harm the tree? Any thoughts. It's getting really frustrating over here.
Right now spray of choice is Ortho Ant B Gon Max. The borax and sugar water mix wasn't cutting it.
I typically use one of these to get rid of ants:
but on a serious note on the link below there is a list of 10 ways some of which you may not have tried yet, hope it helps!
http://gardenflorida.org/tampa-heights-community-garden/what-do-about-ants-0