| | | Kind of type | Full locality |
| | | [not recorded as a type] | Northeastern U.S.A., Vermont, Franklin County: Montgomery |
| | | [not recorded as a type] | Northwestern U.S.A., Colorado, San Juan County: Silverton |
| | | syntype of synonym Melanoplus cockerelli Scudder, 1900; lectotype of synonym Melanoplus cockerelli Scudder, 1900 | South-Central U.S.A., New Mexico: top of range between Sapello and Pecos rivers |
| | | lectotype of synonym Melanoplus sapellanus Scudder, 1900 | South-Central U.S.A., New Mexico: top of range between Sapello and Pecos rivers |
| | | holotype of species Melanoplus stupefactus (Scudder, 1876) | South-Central U.S.A., New Mexico: Taos Valley |