Just a quick note on feral cell size: A few weeks ago I took two colonies out of a shed wall for a friend. They had been there for years, and he liked having them, but wanted to remodel the shed and didn't want to kill the bees. I finally got around to measuring several sections of comb that I saved (forgot to save drone comb) and the sizes ran from 4.9 up to 5.15. I plan to use these colonies to produce queens from as they are survivors and are already regressed. I am also thinking that I could cycle small cell foundation through these hives to generate extra small cell comb.