Beetles are part of the Coleoptera family of insects. There are 400,000 species worldwide, including the big black beetle found in the house or in the yard. Beetles have been around for over 270 ...

Arizona has about 2,500 beetle species. Beetles are identified by their hard, sheathlike front wings; six legs; and distinct head, thorax and abdomen. Most beetles are harmless but some, such as ...