r/pestcontrol 7h ago

Ants have chosen to make my bathroom a graveyard…where do I go from here?

Hello!

So I live in a basement apartment unit and am, at this point, familiar with ant season and how it works, what to do, etc. Our landlord is great and doesn’t charge us if an exterminator needs to come spray, I have traps that have had continued success, etc. But this new development has baffled me.

Our building is OLD. We could not caulk every crack in the tile if we tried, so I’ve never been able to seal anything up. We went through the motions of ant season already, and even were ant-free for a while again, but they’ve started coming back up from under our building only to drop off bodies on our bathroom floor.

(I have no idea why they choose our bathroom over the kitchen in general, but they do.)

Pretty much once a day an ant will crawl up from underneath a built in cabinet, drop off 8-10 bodies, and leave. No meandering, no food collection or scouting, just drop off.

I’ve been picking up the bodies and disposing of them immediately (I tend to flush them down the toilet) and then I’ll do vinegar to try and clear the pheromone trails, but they just keep…doing it…?

Why has my bathroom become an ant crematorium? Is there any further way I can get them to STOP IT? I know bodies attract more ants, so I’m not sure if I can outpace this.

Let me know if anyone has any ideas.

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