There is so little research on SHB on the web, I know someone, somewhere has tried this?
1. Capture several dozen SHB.
2. Put them in pantyhose, tie it tight.
3. Hang it over a bucket of water of even vegetable oil. They fly to the hose and accidently fall in and drown.
Do SHB send out a pheromone like most other beetles to attract a mate? When Japanese beetles first hit us in Ga. we could buy the traps that released the pheromone. It attracted both male and female, because they want to congergate at a food source as well as mate.
Boccy? is using a vacuum to get the SHB out of the hive, what about doing the above test with all those dozens of SHB before smashing them.
Of course if their sex pheromone is weak and for close quarters only this will not work. They may only hone in on the hive scent and let the pheromone work after that.