u/DuckDuckBoots

Year 3 beekeeper. Hawaii, grow zone 11

So I’m cleaning out and replacing old brood comb ( this section is from cut out comb from when the colony was removed from under a house and set in an empty frame, it’s about 2 years old )

My concern is there are sections of the comb that looked clean and hollow but when I went to cut it away it looked like there were pieces of old bee wings and various pieces of hollowed bee “shells” built into the base of the comb. Is this normal or a does this mean the hive is combating some kind of disease? I treat for mites using Apivar strips and are no signs of wax moths and small hive beetles have always been a rare sighting in this hive.