Hadronotus flavios (Dodd) comb. nov.

Plastogryon flavios Dodd, 1915: 32 (original description).

Gryon flavios (Dodd): Galloway, 1976: 91 (type information, generic transfer); Mineo, 1991: 7 (assigned to Gryon charon species group); Johnson, 1992: 382 (cataloged, type information).