Hadronotus floridanus Ashmead comb. rev.

Hadronotus floridanus Ashmead, 1887: 118 (original description); Ashmead, 1893: 231, 232 (description, keyed); Brues, 1910: 47 (keyed); Kieffer, 1926: 454, 463 (description, keyed).

Hadronotus robustus Brues, 1907: 156 (original description. Synonymized by Masner (1983)); Brues, 1910: 46, 47 (diagnosis of male, keyed); Kieffer, 1926: 454, 464 (description, keyed); Masner, 1983: 136 (junior synonym of Gryon floridanum (Ashmead)); Johnson, 1992: 383 (type information).

Gryon robustus (Brues): Masner, 1965: 299 (type information, generic transfer).

Gryon floridanus (Ashmead): Muesebeck & Masner, 1967: 299 (generic transfer); Masner & Muesebeck, 1968: 35 (lectotype designation).

Gryon floridanum (Ashmead): Masner, 1983: 135, 136 (description, synonymy, emendation, keyed); Mineo & Caleca, 1987: 32 (description); Johnson, 1992: 383 (cataloged, type information).