Here is a good write up about bee biology with winter bees over summer bees. https://drive.google.com/file/d/0B19LtAPiDZi5OTlNcFVQYWFGMGs/view?fbclid=IwAR0IOFMi3EyGaP5S-mqTYF_XQAZECrYPYmv87ZMntnaPGeJXKFletPIyf-g
I would highly recommend everyone take the time to watch this seminar and get a new view and understanding of varroa. Great presenter and presentation. Explains more of why people who claim they have no mites because they didn't see them visually really need to do proper mite testing and explains the need to treat but more the need to…