Ants In Second Floor Bedroom. This room attracts them because there is water without which they will not survive. A few years ago carpenter ants entered through a second floor bedroom window sill and the company that monitors my Sentricon system drilled holes in the drywall beneath the sill and dusted.
Smear it on bread and leave a small peace where the ants are. Food residue on the floor will attract ants. Hopefully they will all be exterminated.
If you find in your bedroom large up to 332 or 25 cm long black ants that chew wood then you have a problem with carpenter ants.
Below is a list of common ants that may nest in walls with some tips on how to identify them. I live in a place where the kitchen is inside the bedroom and the bedroom is inside the living room so just one room the size of a hotel room. Ants go where there is sugar. You might kill a few worker ants but probably wont harm the colony.
