I made the hive queenless on 7/23. I grafted thirteen cups on 7/24 and broke some cell walls on the comb under day-old larvae. They accepted and fed 6 new q-cells. Cells were drawn out but not capped yet on 7/26. That day I reintroduced the old queen. I have not raised queens in three years now. Reintroducing was a big mistake, I guess. Today 8/4 I went to transfer the cells to q-castle (I know, dangerously late, some queens were due to hatch tomorrow.) To my surprise, all q-cells were destroyed. The bees chewed them up and built comb around the cups. There was no trace of the cells they had built on the bottom of natural comb.
Should I have waited to reintroduce the queen till the q-cells were capped?