Did you know that the United States has a serious crop production issue tied with a common insect? Swarms of Japanese beetles are devastating and killing plants in the United States? Good news. You can combat them with some tips. Using traps may eliminate them, but they may also attract more beetles too. Some people pick them up if they can grab them. They can also be caught by wrapping duct tape around your hands with the sticky part on the outside and catching them that way.