Saturday we inspected a hive that was queenless a few weeks back. We combined it with a new nuc with, we were told, an "egg laying machine" for a queen. We also put a feeder on the hive at that point because our bee inspector said they needed it.
Two weeks ago, the top box, where the old queen's brood had all hatched out, was full of syrup, and we stopped feeding because we feared the hive was becoming honeybound.
Saturday, we inspected that top box and found three frames of the prettiest capped brood you could wish to see, surrounded by larvae in all stages of development. They'd moved the syrup elsewhere to make room for brood. Smart girls!