From carpet beetles to ladybugs to palo verde beetles, here's what to know about the most common beetles in Arizona and why they get in your house.

She was sure it was an emerald ash borer, the invasive beetle species that has decimated North American ash tree populations over the past 20 years and recently was found in Oregon for the first time.

A rare species of beetle has been named after former California Gov. Jerry Brown after scientists found one on his ranch.