They most definitely work, insects need very little and will almost immediately move in, granted it is positioned correctly (outside wind, not in full sun). Pe

They most definitely work, insects need very little and will almost immediately move in, granted it is positioned correctly (outside wind, not in full sun). People just have the wrong expectation. It's not some entertainment device where you permanently see a 100 insects flying in front of it. Most insects stuff it with food and/or their larvae.