This is a link to some recent discover at Univ of Michigan. It is about Varroa and how they can possibly develop different compounds to attack it.
This link was forwarded to me by another beekeeper. Thanks Rob.
http://news.msu.edu/story/7192/
This blog is for beekeepers in Northern climates. I will be describing what I am doing with my bees on a monthly schedule. Copying any text or photos is forbidden except with written authorization of the author.