Hadronotus letus Nixon comb. rev.
Hadronotus letus Nixon, 1934b: 292, 309 (original description, keyed); Risbec, 1950: 592 (keyed).
Gryon letus (Nixon): Masner, 1965: 77 (type information, generic transfer); Mineo, 1982b: 306 (description); Mineo, 1990c: 90 (keyed); Johnson, 1992: 387 (cataloged, type information).