PROTECTION STATUS: Threatened
YEAR PLACED ON LIST: 1998
CRITICAL HABITAT: 12,105 acres in Imperial County, California designated in 2008
RECOVERY PLAN: None
RANGE: In the United States, only known in the Algodones or “Imperial” Dunes of Imperial County; also found on the sand dunes of the Gran Desierto of Sonora, Mexico
THREATS: Habitat destruction due to off-road vehicle use
POPULATION TREND: Population size is highly variable from year to year and fluctuates according to precipitation.