Use Neem oil for your Japanese beetle infestation. Mix a spray bottle with a tablespoon of neem oil, dish soap (teaspoon) and water. Spray all your leaves front and back every day in the morning or at dusk. When they eat these, it will kill their reproductive system and can't lay eggs in your yard. But you will also have to treat your lawn with milky spore and nematodes to kill the larva. There is no instant kill, they will always come back, but these things will help not kill your grass and won't be harmful to the environment, bees or other animals that eat the bugs.
Use Neem oil for your Japanese beetle infestation. Mix a spray bottle with a tablespoon of neem oil, dish soap (teaspoon) and water. Spray all your leaves front and back every day in the morning or at dusk. When they eat these, it will kill their reproductive system and can't lay eggs in your yard. But you will also have to treat your lawn with milky spore and nematodes to kill the larva. There is no instant kill, they will always come back, but these things will help not kill your grass and won't be harmful to the environment, bees or other animals that eat the bugs.