Hadronotus unicolor (Dodd) comb. nov.

Plastogryon unicolor Dodd, 1914a: 125 (original description); Dodd, 1915: 25 (keyed).

Plastogryon (Heterogryon) unicolor Dodd: Kieffer, 1926: 447, 450 (description, subgeneric assignment, keyed).

Gryon unicolor (Dodd): Galloway, 1976: 92 (type information, generic transfer); Johnson, 1992: 397 (cataloged, type information).