Genus Gryon Haliday, 1833

Gryon Haliday, 1833: 271 . Type species Gryon misellum Haliday, 1833 by monotypy.

Acolus Förster, 1856: 100, 102. Type species Acolus opacus Thomson, 1859 by subsequent designation by Ashmead (1903: 90).

Plastogryon Kieffer, 1908: 119, 141. Type species Plastogryon foersteri Kieffer, 1908 by subsequent designation by Brues (1908: 51).

Psilacolus Kieffer, 1908: 179–180 . Type species Acolus xanthogaster Ashmead, 1893 by subsequent designation by Kieffer (1926: 152).

Holacolus Kieffer, 1912: 89, 106. Type species Acolus opacus Thomson, 1859 by subsequent designation by Muesebeck & Walkley (1956: 359).

Plesiobaeus Kieffer, 1913a 229, 282. Type species Plesiobaeus hospes Kieffer, 1913b by monotypy.

Hadronotellus Kieffer, 1917: 341 . Type species Hadronotellus pedester Kieffer, 1917 by monotypy and original designation.

Heterogryon Kieffer, 1926: 271, 446, 448. Type species Plastogryon sagax Kieffer, 1908 by subsequent designation by Muesebeck & Walkley (1956: 359).

Eremioscelio Priesner, 1951: 129 . Type species Eremioscelio cydnoides Priesner, 1951 by monotypy and original designation.

Hungarogryon Szabó, 1966: 422–443 . Type species Hungarogryon moczari Szabó, 1966 by monotypy and original designation.

Masneria Szabó, 1966: 422, 442. Type species Hadronotus lymantriae Masner, 1958 by monotypy and original designation.

Pannongryon Szabó, 1966: 422, 435. Type species Pannongryon szelenyii Szabó, 1966 by original designation.

Sundholmia Szabó, 1966: 422, 438. Type species Sundholmia nitens Szabó, 1966 by monotypy and original designation.

Breviscelio Sundholm, 1970: 383 . Type species Breviscelio crenatus Sundholm, 1970 by monotypy and original designation.

Exon Masner, 1980: 12, 22. Type species Exon californicum Masner, 1980 by original designation.

Hadronotellus – Kieffer 1926: 453 (junior synonym of Hadronotus Förster, 1856). — Talamas et al.

2021: 345, 348. Acolus – Masner 1961: 158. Heterogryon – Masner 1961: 158. Holacolus – Masner 1961: 158. Plastogryon – Masner 1961: 158. Psilacolus – Muesebeck & Masner 1967: 285–304. Masneria – Masner 1976: 57. Pannongryon – Kozlov 1971: 47. — Masner 1976: 57. Plesiobaeus – Mineo 1979: 248. — Kononova & Kozlov 2008: 25, 445 (treated as valid genus).

— Talamas et al. 2021: 345, 348 (returned to synonymy). Sundholmia – Mineo 1980: 200. Eremioscelio – Talamas et al. 2021: 345, 349–350. Hungarogryon – Talamas et al. 2021: 345, 350. Breviscelio – Talamas et al. 2021: 345, 351–352. Exon – Talamas et al. 2021: 345, 352–353.