I've been following this development also. This parasitic fly is known to go after bumblebees and paper wasps, and has only recently been noticed in tame honeybees.
We had a collapse in the population of our wild bumblebees last spring, and don't know why. They rebounded later in the year, but it's a worry. No bees, no food.
I wonder what the habitat range of this nasty little fly is?
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.