Do you think people will actually monitor daily? This is the recommendation.The Gardapis allows small bees and wasps to escape via the the Q excluder plastic screen used for the main body. V.c Queens theoretically shouldn't be able to access the V.v size entrance plug , Bumble queens also shouldn't be able to enter the small opening .
The two entrance plugs being 7mm and 8mm.
Whatever trap is used then one is going to need to monitor it daily to keep an eye on any possible by catch . The timings of using them and using the correct size entrance insert will need to be watched.
I think people will put up, leave , forget for a week and kill more beneficial insects than catch any Wiley well adapted Asian hornets. That’s the evidence from Guernsey and Jersey who use it only at very specific times and adjust the traps in a specific way.
The message given at the conference was don’t silly nilly trap, look for sightings near your hives, then use the App to identify them & report to the NBU