Ant Isues...

[Scorpiоn]

They are there after something. Either shelter or food.

Your shelter?  Be afraid, be very afraid!  Run away!

[loomex]

for a non toxic approach, try this:
put used coffee grounds around points of entry for the critters, and like someone already said remove the food/water source

[Woodlouse2002]

Quicklime!!!

[Apex]

Well, you've got a lot of suggestions here.  Here's another one: Some once told me that her father used to mix cinammon with sugar.  Sugar for bait, and maybe the cinammon kills or discourages future incursions.  Don't know if this would get the queen, tho.  

[Woodlouse2002]

What you really need is a pet ant-eater.

[Triple_7]

What you really need is a pet ant-eater.

Unfortunatly the pet store was freshly out of them

Well...the tobacco killed hundreds a day.  Started to notice a decrease in the number...found the access to the bathroom plumbing...pumped it full of insect killer.  Only squished 1 loner today, so hopefully the problem is at last taken care of  But summer isnt here yet  We shall see in due time if everything worked

[Scorpiоn]

That was just their expeditionary deployment.