Posted by Matt on 17:46:41 3/7/2012 from 220.127.116.11:
I've been getting citronella ant swarms in my house every few months. I thought they were coming from the air ducts in the slab foundation, but today I noticed large piles of dirt along a wall in a closet.
There were swarmers (both male and female), as well as small yellow workers wandering around inside the closet. I vacuumed them up, and more came out of the space between the drywall and the floor, until I poured Borax into the gap. Perhaps they'll excavate this tonight.
Normally you never see the workers unless you pull up a stone or something outside, so this worries me.
Do I tear a hole in the wall and see what's going on in there, or should I call an exterminator and have them spray? I know that baits are ineffective for citronella ants, so that avenue is out.
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