| | | Kind of type | Full locality |
| | | [not recorded as a type] | Northwestern U.S.A., Montana: W. Gallatin Canyon |
| | | [not recorded as a type] | Northwestern U.S.A., Montana: W. Gallatin Canyon |
| | | [not recorded as a type] | Northwestern U.S.A., Montana |
| | | [not recorded as a type] | Northwestern U.S.A., Montana |
| | | [not recorded as a type] | Northwestern U.S.A., Montana: W. Gallatin Canyon |
| | | syntype of synonym Melanoplus pilatus Scudder, 1899; lectotype of synonym Melanoplus pilatus Scudder, 1899 | Northwestern U.S.A., Colorado, Larimer County: mouth of Big South River |
| | | syntype of species Melanoplus alpinus Scudder, 1897; lectotype of species Melanoplus alpinus Scudder, 1897 | Northwestern U.S.A., Idaho: Henry Lake |