Ten days ago, we started preparing the hives for the Winter. My husband made top entrances that would also serve as ventilation and insulated the covers.

We are wondering why the bees are not using the top entrances at all. The last two days the temps have been in the high 60s and there is a lot of activity on the bottom entrance but none on the top.
We made the holes the same size as the ones in the metal mouse guards, so we know they are big enough..

I know the bees will do what they want to do.

At this point we hope that this is enough ventilation to keep the moisture out of the hive..Any thoughts??