Excellent paper describing the initial and subsequent detections of #Vespa #mandarinia (a.k.a. #Asian #giant #hornet or #murder #hornet).
A fact I wasn't aware of: researchers and pest managers used #radio-tagged, live-captured hornets to lead them back to #nests (usually found in #red #alder cavities).
Tons of other valuable information in the paper as well.
Quote: "It is too early to feel confident that the species has been prevented from #establishing..."