| Gerstaeckeria unicolor Fisher, 1928 |
| Glochinocerus Blandford, 1904 |
| Glochinocerus gemellus Blandford, 1904 |
| Glyptobaris Casey, 1892 |
| Glyptobaris lecontei Champion, 1909 |
| Glyptobaris rugata (Boheman, 1844) |
| Glyptobaris spinigera Champion, 1909 |
| Gnatholeptus Blackman, 1943 |
| Gnatholeptus semiermis (Numberg, 1963) |
| Gnathotrichus Eichhoff, 1869 |
| Gnathotrichus alniphagus Wood, 1984 |
| Gnathotrichus bituberculatus Blandford, 1904 |
| Gnathotrichus consentaneus Blandford, 1904 |
| Gnathotrichus deleoni Blackman, 1942 |
| Gnathotrichus dentatus Wood, 1967 |
| Gnathotrichus denticulatus Blackman, 1931 |
| Gnathotrichus imitans Wood, 1967 |
| Gnathotrichus materiarius (Fitch, 1858) |
| Gnathotrichus nimifrons Wood, 1967 |
| Gnathotrichus nitidifrons Hopkins, 1905 |