The bug is invasive by nature, but they do not bite. Yet, if you are a gardener, the beetle could be harmful for your lawn and garden.

"An ounce of prevention certainly is worth a pound of cure," said Megan Meuti, an Ohio State University Extension agent.

Peter Gratton, M.A.P.P., Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at ...