[Zookeep]

Just when ya think ya seen it all :lol: maybe the queen just stopped looking at what was in the bottom of each cell before doing her thing? :rolling: :rotfl:

 

[100 TD]

Could it be a laying worker, since the cell is part full it can deposit on the bottom?
Michael Bush's site mentions-
There are always multiple laying workers even in a queenright hive
.......In a normal booming queenright hive of 100,000 bees that's 70 laying workers. In a laying worker hive it's much higher.