The Thornbush Dasher is a rare species in Arizona, with only one previous record of several individuals at one location (Pima Co., 2005).

On 1 November 2014 a male of this species was discovered at the Nature Conservancy preserve ponds in Dudleyville, Pinal Co. This observation provides a second state and first county records for the species, as well as the northernmost location where it has been found to date in Arizona.