Wasps in apartment

4599  An elderly friend has had wasps entering her apartment presumably through a spare bedroom window although we don’t know how.  They essentially come in to die.  They are sluggish when they first appear and are dead soon after.  Why?  We are in Kingston Ontario.  They aren’t particularly bothersome but my friend is preoccupied with them.   Bonnie

Only some fertilized future potential queens survive over the winter.  They will be seeking shelter to overwinter.  Some may find their way into buildings. The others die in the fall.  Read more:   http://pestcontrolcanada.com/bees-hornets-wasps