My understanding is that one method they used to kill these guys off entailed tying a small ribbon/tracker to the hornets they found while they were eating and then following the ribbons back to the nests to kill the queens.
Apparently, it was extremely effective.
If they kill the queen, I guess the drones disappear. There may be a lesson here ...
I'd bet fipronil laced chicken would have worked just as well for a few percent of the cost.
Pretty amazing feat - France and England have the pests - I wonder if they will try the same method to remove them
That’s right out of Red Dawn.