| | | | Kind of type | Full locality |
| | | | syntype of species Melanoplus discolor (Scudder, 1878) | South-Central U.S.A., Texas, Dallas County |
| | | | syntype of synonym Melanoplus inornatus Scudder, 1897; lectotype of synonym Melanoplus inornatus Scudder, 1897 | Mexico Northeast, Coahuila: Montelovez |
| | | | syntype of synonym Melanoplus simplex Scudder, 1897; lectotype of synonym Melanoplus simplex Scudder, 1897 | Northwestern U.S.A., Colorado: Morrison |
| | | | [not recorded as a type] | North-Central U.S.A., Oklahoma |
| | | | [not recorded as a type] | North-Central U.S.A., Nebraska, Dawes County: 1.7 mi SSE Whitney, off Hwy 20 |
| | | | [not recorded as a type] | North-Central U.S.A., Nebraska, Sioux County: 2 mi SSE Whitney of HWY 20 |
| | | | [not recorded as a type] | North-Central U.S.A., South Dakota, Fall River County: 16.5 mi N of Ardmore, Indian Canyon Rd of Hwy 71 |
| | | | [not recorded as a type] | South-Central U.S.A., Texas, Ellis County: 3 mi SW Cedar Hill |
| | | | [not recorded as a type] | South-Central U.S.A., Texas, Lampasas County: 15 mi W Lampasas |
