Firstly I'm new to bees, ignorance is not an excuse Need peoples input on what happened, what I could have done as I haven't been able to find a good answer as to what happened... other than swarming after creating comb in top bar. Why, no idea, close to a stream, sun all day, native trees in flower and pasture land at their door step.
I collected the swarm and placed into a top bar hive at the end of October. Things looked good with comb being formed (pre-waxed bars) and a good amount of room. After about 5 bars which was about 3 weeks a single supercedure cell starting in mid way dow