Ariasa diupsilon (Walker, 1850)
Cicada diupsilon Walker 1850: 138 (type material in BMNH).
Tympanoterpes diupsilon Stål 1862: 485 .
Ariasa diupsilon Distant 1906: 90 .
Type locality. British Guiana.
Remarks. One of the two small species in the genus along with A. urens . These species may form a complex within the genus as they share general morphological characteristics as well.
Distribution. Specimens have been reported previously from British Guiana and Guiana (Metcalf 1963).