japanese beatle control
the best way to control Japanese beatle
Marshall County Illinois
Because you are located in Illinois I will provide a link to information your state's Extension service about controlling Japanese beetle. https://web.extension.illinois.edu/clw/downloads/37483.pdf
Here is some additional information on them from your State's Master Gardener:
They are a difficult pest to manage. I am fortunate that they have not been found in Wyoming, where I live, yet.