Yoon,
Your manipulation is fine - but as you say, one has to be 100% sure that there are no eggs!
If that is the case, or you are confident that is the case - then you have saved yourself a trip.
But if doing many splits - the time taken to "ensure" that no eggs are present might easily outweigh
the time used in a second trip and removal of unwanted queen cells.
There again - removing unwanted queen cells isn't always 100% successful either as the odd one is
missed!
You takes your choice!
Regards
Peter
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