This species is wide-ranging from northern Mexico, to Escambia County in Florida, North to southern Illinois and Ohio. It has been widely introduced in the United States and elsewhere; Huner (1986) recorded the following introductions: Arizona, California, Georgia, Hawaii, Idaho, Indiana, Maryland, North Carolina, Nevada, Ohio, Oregon, South Carolina, Utah and Virginia. This species has also been introduced to Europe, Africa, East Asia, South and Central America (K. Crandall pers. comm. 2009).