| | | Kind of type | Full locality |
| | | syntype of species Melanoplus walshii Scudder, 1897; lectotype of species Melanoplus walshii Scudder, 1897 | North-Central U.S.A., Illinois: Rock Island |
| | | syntype of synonym Melanoplus amplectens Scudder, 1897; lectotype of synonym Melanoplus amplectens Scudder, 1897 | Southeastern U.S.A., Kentucky, Edmonson County: Bee Spring |
| | | [not recorded as a type] | |
| | | unspecified primary type of synonym Pezotettix occidentalis Bruner, 1876 | North-Central U.S.A., Nebraska, Douglas County: Omaha |