Allen wrote:
"I know that in Europe, in some regions where polystyrene hives are common,
that beekeepers don't use top entrances.
What are your thoughts? Maybe Mats and P-O and others might comment too."
I will humbly leave that question over to P-O. I have only been using polystyrene hives for two years. I did not know about top entrances before i joined this list.
/Mats Andersson, Stockholm Sweden