Considered a pest worldwide, most of the United States has had Japanese beetles since their accidental introduction to the country in shipments in the early 1900s. They measure 10-15 mm and are brown and copper in appearance. Their larvae feed on the roots of many plants, and adults eat the leaves of plants. Both of these processes kill these plants and cause environmental damage. To help keep Japanese beetles from destroying your plants at home and in your community, contact pest control companies in Indianapolis, IN.