Bees

The day after I posted that, I followed the remaining bees and found their main nest.  It's in the roof support of the third floor of the clubhouse!  There are two holes, one of which houses a female bee (which Mama discovered was a carpenter bee, since they drill through wood).  Daddy-o went up there and sprayed Wasp & Hornet killer in the holes, but to no avail.  They continue to buzz around.