| | | Kind of type | Full locality |
| | | syntype of species Melanoplus flavidus Scudder, 1878 | Northwestern U.S.A., Colorado: Morrison |
| | | syntype of synonym Melanoplus elongatus Scudder, 1897; lectotype of synonym Melanoplus elongatus Scudder, 1897 | Mexico Northeast, San Luis Potosí: Bledos |
| | | unspecified primary type of synonym Melanoplus cenchri McNeill, 1891 | North-Central U.S.A., Illinois, Rock Island County: Sand Hill - Moline |
| | | holotype of synonym Melanoplus incisus Scudder, 1899 | Northwestern U.S.A., Colorado, Larimer County: Fort Collins |
| | | [not recorded as a type] | North-Central U.S.A., Oklahoma |