An overview of the 75 species of Pentatomoidea found in Michigan is presented, along with updated identification keys, distributional lists, and relevant literature. New state records for Corimelaena agrella McAtee (Thyreocoridae), Melanaethus robustus Uhler (Cydnidae), Pangaeus bilineatus (Say) (Cydnidae), and Banasa sordida (Uhler) (Pentatomidae: Pentatominae) are included
