We have that trap outside. It works well, even just with sugar water.
A word of warning: Empty the trap often, because there is no more u̼̠̼̖̟̝̬n̟͇̺͓͈͕go̹̮̱̗͉̞d̺͔l̙̤͓y͕̖͎ ̤̖̯͉͚s͔͈͍t͇͓̝͈̣̹̯ḙ̭̳n̪c̹h̖̼̱̞ͅ than a lot of dead wasps, and it only gets worse the longer you leave it.
Speaking of which, time to go empty the $3 Dollarama bag trap in the basement with over 20 wasps in it. (I hope I’ve plugged all the ways they were getting in.