Finally! No treatment! One loss! I have had a long journey to achieve treatment-free bees. I’m obviously thinking of the varroa mite. In 1989, breeding material was retrieved in Kenya: https://www.beesource.com/threads/exploring-monticola-efforts-to-find-an-acceptable-varroa-resistant-honey-bee.365571/#post-1843973 It took until 2007 before the varroa mite was