High Quality Content by WIKIPEDIA articles! The Arizona bark scorpion (Centruroides sculpturatus, included in Centruroides exilicauda), is a small light brown scorpion common to the southwest United States. The range of the scorpion is the Sonoran Desert. An adult male can reach 8 cm in length (3.14 inches), while a female is slightly smaller, with a maximum length of 7 cm (2.75 inches).