https://americanbeejournal.com/varroa-control-past-and-future/
Varroa Control Past and Future - American Bee Journal
Dec 10, 2015 - History of Varroa in North America The first discovery of Varroa jacobsoni (later renamed Varroa destructor) in the United States was made on Sept. 25, 1987 in...
past and futurevarroa controlamericanbeejournal