| | | Kind of type | Full locality |
| | | syntype of subspecies Melanoplus devastator devastator Scudder, 1878 | Southwestern U.S.A., California: Sausalito |
| | | unspecified primary type of synonym Melanoplus devastator affinis Scudder, 1897; lectotype of subspecies Melanoplus devastator devastator Scudder, 1878 | Southwestern U.S.A., California: "Cal (Ricksecker) S. Henshaw" |
| | | syntype of synonym Melanoplus ater Scudder, 1897; lectotype of synonym Melanoplus ater Scudder, 1897 | Southwestern U.S.A., California, San Francisco County: San Francisco |
| | | syntype of synonym Melanoplus devastator typicalis Scudder, 1897 | Southwestern U.S.A., California: Tighe |
| | | unspecified primary type of synonym Melanoplus consanguineus Scudder, 1897; lectotype of subspecies Melanoplus devastator devastator Scudder, 1878 | Southwestern U.S.A., California, Sonoma County: x |
| | | syntype of synonym Melanoplus uniformis Scudder, 1897; lectotype of synonym Melanoplus uniformis Scudder, 1897 | Southwestern U.S.A., California, Sacramento County: Sacramento |
| | | syntype of synonym Melanoplus devastator typicalis Scudder, 1897 | U.S.A. |
| | | syntype of synonym Melanoplus devastator typicalis Scudder, 1897 | Southwestern U.S.A., California, Placer County |