I've been checking my three hives with a FLIR attachment every couple of weeks. Two of them seem fine, and are just getting into the uppermost super. The third seems to be stuck in place. The cluster is off to one side and only about halfway up. They haven't moved up at all in a month. Also, when I clear out dead bees from the entrance, this hive has 3x the amount of dead bees as the other two. I'm thinking that something is preventing them from moving up. Maybe there is a mass of burr comb, or an area of empty cells that they will not cross. What should I do? It's been very cold here so I haven't done anything yet, but it looks like the temperature will be 45F on Sunday. I hate to do anything invasive but seems like it might be worth a look. Anyone been through this?
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