I do a lot of removes and have had new colonies abscond.
I've started ( and it's the only time I use a queen excluder) to put
a cut out square cut from a queen excluder inside over the entrance hole.
Haven't lost a remove colony since, if the queen stays, everybody
will stay. Usually after a week, I pry it off as they have oriented the
hive as home. Like everyone else, I say drones, though there could
be several reasons for that
Emil