It's not as settled as my comment made it sound, but the second paragraph at the below article briefly touches on the idea: http://www.honeybeesuite.com/of-fer

It's not as settled as my comment made it sound, but the second paragraph at the below article briefly touches on the idea: http://www.honeybeesuite.com/of-feral-colonies-and-varroa-mites/ http://www.honeybeesuite.com/of-feral-colonies-and-varroa-mi...