It makes varroa mites smell like red cedar.
And good they will smell, too! I almost wanted to crawl into that hive myself!
Seriously though, if it had any effect on varroa don't you think all beehives would be made of cedar?
Yes, I would think that. I guess I was hoping it was more of a cost issue.
I use all red cedar hive body's, tops, bottoms and supers. It has no effect on varroa or shb.
I hate bad news, even when it's not a surprise. I'm going to go get another cup of coffee......