This year I hung a different style of bee nest, suitable for Mason Orchard bees, on a tree branch with an ant trap! To my delight, I have signs of use in the nest. The tubes are used by the bees for their larvae. When the holes are slightly plugged in appearance, it means they are "in use".
A couple of days ago I got up close and personal with a few honey bees that were drunkenly
flitting around my Pride of Barbados plant (otherwise known as the Big Bird plant):