I set out a couple of traps every year. Can dump lots of beetles for the chickens to "dunk for beetles". Gives them a nice protein boost. I know "they say" that putting out traps makes the problem worse. But, I don't think so. Add chickens to the mix, and all those beetles you trap, that get eaten don't live to lay a single egg. Over time, it has to have an effect, and I've found it to be true in my yard. I also allow trap plants to grow around the periphery of my yard. They LOVE wild primrose. I then use an ammonia bottle (cut off to make a scoop) with a plastic bag attached to the mouth of the bottle and scoop/knock the beetles off the trap plants. They fall into the bag before they get a chance to react. Can collect about a pint several times/day, if I have the time to do it. Again, every single one of those beetles collected and fed to the chickens will not produce a next generation of grubs/beetles. They are easiest to catch in late afternoon, early morning, and on rainy days.