I had a split, whose queen got lost in the mating flight. They were frantically building queen caps, which wouldn’t get filled. I united them with a successful split (newspaper method, well, brown paper, don’t like the idea of bees chewing up ink). In 24 hours I went to check on them, they ate holes in the paper and when I took some frames out from the bottom deep, I saw my queen being balled!
By the time I ran into the garage to get a cage, they killed her.
I have another split I can unite them with and would prefer to do so to minimize the number of hives, but what if they’ll ball this queen as well? Did I do something wrong?