Tibicen parallelus Davis, 1923 .

Specimens in the UCDC were collected at Chihuahua, Temoris, 11–24 August 1969, and 2 miles south of Temoris, 22 August 1968 .

Tibicen parallelus is found north into Arizona and New Mexico. I have collected specimens not far north of the border of Arizona and Sonora.