| Melanoplus ablutus Scudder, 1899 | |
| Melanoplus acidocercus Hebard, 1919 | |
| Melanoplus acrophilus Hebard, 1935 | |
| Melanoplus adapi Otte, 2012 | |
| Melanoplus adelogyrus Hubbell, 1932 | St. Johns short-wing grasshopper |
| Melanoplus adox Otte, 2012 | |
| Melanoplus aix Otte, 2012 | |
| Melanoplus alabamae Hebard, 1920 | |
| Melanoplus alaskanus Scudder, S.H., 1897 | |
| Melanoplus alector Otte, 2012 | |
| Melanoplus alexanderi Hilliard, 2001 | |
| Melanoplus algidus (Scudder, S.H., 1898) | ⇒ Melanoplus saltator Scudder, 1897 |
| Melanoplus alpinus (Scudder, 1897) | ⇒ Miramella alpina alpina Kollar, 1833 |
| Melanoplus altitudinum (Scudder, S.H., 1878) | ⇒ Melanoplus dodgei Thomas, 1871 |
| Melanoplus andreasi Otte, 2012 | |
| Melanoplus angelicus (Scudder, S.H., 1897) | ⇒ Melanoplus sanguinipes Fabricius, 1798 |
| Melanoplus angularis Little, 1932 | |
| Melanoplus angustipennis Dodge, 1877 | Narrow-winged Locust |
| Melanoplus angustipennis impiger (Scudder, S.H., 1897) | ⇒ Melanoplus angustipennis Dodge, 1877 |
| Melanoplus apache Otte, 2012 | |
| Melanoplus apalachicolae Hubbell, 1932 | |
| Melanoplus arcanus Otte, 2012 | |
| Melanoplus aridus Scudder, 1878 | |
| Melanoplus arizonae Scudder, 1878 | Rightwing macoma |
| Melanoplus arkansas Hill, 2015 | |
| Melanoplus artemesiae Scudder, 1897 | |
| Melanoplus artemisiae Scudder, 1897 | |
| Melanoplus ascensor Scudder, 1897 | |
| Melanoplus ascensus Scudder, 1899 | |
| Melanoplus aspasmus Hebard, 1919 | |
| Melanoplus aster Otte, 2012 | |
| Melanoplus atangi Otte, 2012 | |
| Melanoplus atlanis (Cockerell, 1888) | ⇒ Melanoplus sanguinipes atlanis Riley, C.V., 1875 |
| Melanoplus attenuatus Scudder, 1897 | Slender-bodied Locust |
| Melanoplus australis Morse, 1904 | |
| Melanoplus bakeri Hebard, 1932 | |
| Melanoplus baldi Otte, 2012 | |
| Melanoplus baronei Hill, 2015 | |
| Melanoplus beameri Hebard, 1932 | |
| Melanoplus benni Otte, 2002 | |
| Melanoplus bernardinae Hebard, 1920 | |
| Melanoplus betangi Otte, 2012 | |
| Melanoplus bilituratus (Walker, F., 1870) | ⇒ Melanoplus sanguinipes Fabricius, 1798 |
| Melanoplus bilituratus vulturnus (Gurney & A.R..., 1959) | ⇒ Melanoplus sanguinipes defectus Scudder, S.H., 1897 |
| Melanoplus billyharrisi Hill, 2015 | |
| Melanoplus birchimi Rentz, 1978 | |
| Melanoplus bispinosus Scudder, 1897 | |
| Melanoplus bivitattus | |
| Melanoplus bivittatus Say, 1825 | Spur-Throated Grasshoppers |
| Melanoplus blatchleyi (Scudder, S.H., 1897) | ⇒ Melanoplus walshii Scudder, 1897 |
| Melanoplus bohemani (Stål, 1878) | ⇒ Melanoplus dodgei Thomas, 1871 |
| Melanoplus bonita Otte, 2012 | |
| Melanoplus borealis Fieber, 1853 | Northern grasshopper |
| Melanoplus borealis borealis Fieber, 1853 | |
| Melanoplus borealis monticola (Scudder, S.H., 1897) | ⇒ Melanoplus borealis borealis Fieber, 1853 |
| Melanoplus borealis palaceus (Fulton, 1930) | ⇒ Melanoplus borealis Fieber, 1853 |
| Melanoplus borealis stupefactus (Scudder, S.H., 1876) | ⇒ Melanoplus stupefactus Scudder, 1876 |
| Melanoplus borealis utahensis Scudder, S.H., 1897 | |
| Melanoplus boulderensis Otte, 2012 | |
| Melanoplus bowditchi Scudder, 1878 | Rightwing macoma |
| Melanoplus bowditchi bowditchi Scudder, S.H., 1878 | Sagebrush Grasshopper |
| Melanoplus bowditchi canus Hebard, 1925 | |
| Melanoplus brownii (Caudell, 1902) | ⇒ Melanoplus herbaceus Bruner, 1893 |
| Melanoplus bruneri (Scudder, 1897) | ⇒ Aeoloplides turnbulli bruneri Caudell, 1907 |
| Melanoplus buxtoni Strohecker, 1963 | |
| Melanoplus calidus Scudder, 1899 | |
| Melanoplus cameronis Roberts, 1947 | |
| Melanoplus cancri Scudder, 1897 | |
| Melanoplus cantralli Dakin, 1966 | |
| Melanoplus carharti McNary, 2018 | |
| Melanoplus carinae Otte, 2012 | |
| Melanoplus carnegiei Morse, 1904 | Carnegie's Locust |
| Melanoplus caroli Gurney & Helfer, 1960 | |
| Melanoplus carolinensis Hill, 2015 | |
| Melanoplus carrabellae Otte, 2012 | |
| Melanoplus cedarense Otte, 2012 | |
| Melanoplus celatus Morse, 1904 | |
| Melanoplus chattahoochee Hill, 2015 | |
| Melanoplus cherokee Hebard, 1935 | |
| Melanoplus chichimecus Fontana & Bu..., 2007 | |
| Melanoplus childsi Otte, 2012 | |
| Melanoplus chimariki Gurney & Buxton, 1963 | |
| Melanoplus chiricahuae Hebard, 1922 | Clark Valley larkspur |
| Melanoplus chumash Rentz, 1978 | |
| Melanoplus cimatario Fontana & Bu..., 2007 | |
| Melanoplus cinereus Scudder, 1878 | Rightwing macoma |
| Melanoplus cinereus cinereus (Scudder, S.H., 1878) | ⇒ Melanoplus cinereus Scudder, 1878 |
| Melanoplus cinereus cyanipes Scudder, S.H., 1897 | |
| Melanoplus cinereus dealbatus Scudder, 1899 | |
| Melanoplus clypeatus Scudder, 1877 | Shield-tailed Locust |
| Melanoplus coccineipes (Scudder, S.H., 1897) | ⇒ Melanoplus angustipennis Dodge, 1877 |
| Melanoplus cohni Hill, 2015 | |
| Melanoplus collinus (Scudder, S.H., 1878) | ⇒ Melanoplus keeleri keeleri Thomas, 1874 |
| Melanoplus coloradus (Caudell, 1903) | ⇒ Melanoplus femurrubrum De Geer, 1773 |
| Melanoplus complanatipes Scudder, 1897 | |
| Melanoplus complanatipes canonicus Scudder, S.H., 1897 | |
| Melanoplus complanatipes complanatipes Scudder, S.H., 1897 | |
| Melanoplus confusus Scudder, 1897 | Little Pasture Locust |
| Melanoplus consanguineus (Scudder, S.H., 1897) | ⇒ Melanoplus devastator Scudder, 1878 |
| Melanoplus coreyi Hill, 2015 | |
| Melanoplus corpulentus (Scudder, S.H., 1897) | ⇒ Melanoplus gladstoni Scudder, 1897 |
| Melanoplus culebra Otte, 2012 | |
| Melanoplus cumbres Otte, 2012 | |
| Melanoplus cuneatus Scudder, 1897 | |
| Melanoplus daemon Strohecker, 1963 | |
| Melanoplus dakini Hilliard, 2001 | |
| Melanoplus davisi Hebard, 1918 | Davis's Locust |
| Melanoplus dawsoni Scudder, 1875 | Dawson Grasshopper |
| Melanoplus dealbatus Scudder, 1899 | |
| Melanoplus debilis Scudder, 1899 | |
| Melanoplus deceptus Morse, 1904 | |
| Melanoplus decoratus Morse, 1904 | |
| Melanoplus decorus Scudder, 1897 | |
| Melanoplus decurvus Hill, 2015 | |
| Melanoplus delano Otte, 2012 | |
| Melanoplus deletor (Scudder, 1875) | ⇒ Melanoplus keeleri keeleri Thomas, 1874 |
| Melanoplus desultorius Rehn, 1907 | |
| Melanoplus desultorius desultorius Rehn, J.A.G., 1907 | |
| Melanoplus desultorius insignis Hebard, 1917 | |
| Melanoplus devastator Scudder, 1878 | Devastating grasshopper |
| Melanoplus devastator conspicuus Scudder, S.H., 1897 | |
| Melanoplus devastator devastator Scudder, S.H., 1878 | |
| Melanoplus devastator obscurus Scudder, S.H., 1897 | |
| Melanoplus devastator typicalis (Scudder, S.H., 1897) | ⇒ Melanoplus devastator devastator Scudder, S.H., 1878 |
| Melanoplus devius Morse, 1904 | |
| Melanoplus diablo Rentz, 1978 | |
| Melanoplus differentiale Thomas, 1865 | |
| Melanoplus differentialis Thomas, 1865 | Differential grasshopper |
| Melanoplus differentialis differentialis Thomas, 1865 | Differential Locust |
| Melanoplus differentialis nigricans Cockerell, 1917 | |
| Melanoplus digitifer Hebard, 1936 | |
| Melanoplus dimidipennis Bruner, 1904 | |
| Melanoplus diminutus Scudder, 1897 | |
| Melanoplus discolor Scudder, 1878 | |
| Melanoplus divergens Morse, 1904 | |
| Melanoplus dodgei Thomas, 1871 | |
| Melanoplus dodgei dodgei (Thomas, 1871) | ⇒ Melanoplus dodgei Thomas, 1871 |
| Melanoplus dodgei huroni (Blatchley, 1898) | ⇒ Melanoplus huroni Blatchley, 1898 |
| Melanoplus dodgei incultus (Scudder, S.H., 1898) | ⇒ Melanoplus dodgei Thomas, 1871 |
| Melanoplus douglasi Otte, 2012 | |
| Melanoplus eccentricus Otte, 2012 | |
| Melanoplus edeva Rentz, 1978 | |
| Melanoplus elaphrus Strohecker, 1963 | |
| Melanoplus elater Strohecker, 1963 | |
| Melanoplus elator Strohecker, 1963 | |
| Melanoplus elkhornense Otte, 2012 | |
| Melanoplus empusa Otte, 2012 | |
| Melanoplus eremitus Strohecker, 1963 | |
| Melanoplus eumera Hebard, 1920 | |
| Melanoplus eurycercus Hebard, 1920 | |
| Melanoplus fasciatus Walker, 1870 | Huckleberry Grasshopper |
| Melanoplus femoratus (Burmeister, 1838) | ⇒ Melanoplus bivittatus Say, 1825 |
| Melanoplus femurnigrum Scudder, 1899 | |
| Melanoplus femurrubrum De Geer, 1773 | Red-legged grasshopper |
| Melanoplus femurrubrum femurrumbrum | |
| Melanoplus flabellatus Scudder, 1878 | |
| Melanoplus flavescens (Scudder, S.H., 1897) | ⇒ Melanoplus herbaceus Bruner, 1893 |
| Melanoplus flavidus Scudder, 1878 | Blue-legged Locust |
| Melanoplus flavidus flavidus (Scudder, S.H., 1878) | ⇒ Melanoplus flavidus Scudder, 1878 |
| Melanoplus flechado Otte, 2012 | |
| Melanoplus foedus Scudder, 1878 | Rightwing macoma |
| Melanoplus foedus fluviatilis Bruner, 1897 | Sand-bar Locust |
| Melanoplus foedus foedus Scudder, S.H., 1878 | |
| Melanoplus foedus iselyi Hebard, 1936 | |
| Melanoplus folkertsi Hill, 2015 | |
| Melanoplus forcipatus Hubbell, 1932 | |
| Melanoplus foxi Hebard, 1923 | |
| Melanoplus franciscanus Scudder, 1899 | |
| Melanoplus francisdrakei Otte, 2012 | |
| Melanoplus francoisensis Hill, 2015 | |
| Melanoplus fricki Strohecker, 1960 | |
| Melanoplus frigida Boheman, 1846 | Narrow-winged locust |
| Melanoplus frigidus Boheman, 1846 | High Mountain Grasshopper |
| Melanoplus frigidus frigidus Boheman, 1846 | |
| Melanoplus frigidus kamtchatkae Sjöstedt, 1935 | |
| Melanoplus frigidus strandi (Fruhstorfer, 1921) | ⇒ Melanoplus frigidus frigidus Boheman, 1846 |
| Melanoplus fultoni Hebard, 1922 | Clark Valley larkspur |
| Melanoplus furcatus Scudder, 1897 | Fork-tailed Locust |
| Melanoplus gaspesiensis Vickery, 1970 | |
| Melanoplus geniculatus (Scudder, 1897) | ⇒ Cephalotettix pilosus Stål, 1878 |
| Melanoplus gladstoni Scudder, 1897 | Gladston Grasshopper |
| Melanoplus glaucipes Scudder, 1875 | |
| Melanoplus glymma Otte, 2012 | |
| Melanoplus goedeni Gurney & Buxton, 1968 | |
| Melanoplus gordonae Vickery, 1969 | |
| Melanoplus gothicus Otte, 2012 | |
| Melanoplus gracilipes Scudder, 1897 | |
| Melanoplus gracilis Bruner, 1876 | Graceful Narrow-winged Locust |
| Melanoplus gurneyi Strohecker, 1960 | |
| Melanoplus haigi Gurney & Buxton, 1968 | |
| Melanoplus harperi Gurney & Buxton, 1965 | |
| Melanoplus harrisi (Morse, 1904) | ⇒ Melanoplus billyharrisi Hill, 2015 |
| Melanoplus hatu Otte, 2012 | |
| Melanoplus herbaceus Bruner, 1893 | |
| Melanoplus hesperus Hebard, 1919 | Santa Lucia Spur-throat Grasshopper |
| Melanoplus hilliardi Otte, 2012 | |
| Melanoplus hinei Thomas, 1930 | |
| Melanoplus hubbelli Hebard, 1935 | |
| Melanoplus hupah Strohecker &..., 1963 | |
| Melanoplus huporeus Hebard, 1919 | |
| Melanoplus huroni Blatchley, 1898 | Huron Short-winged Locust |
| Melanoplus idaho Hebard, 1935 | |
| Melanoplus illash Otte, 2012 | |
| Melanoplus immunis Scudder, 1899 | |
| Melanoplus impudicus Scudder, 1897 | Immodest Locust |
| Melanoplus imtenda Otte, 2012 | |
| Melanoplus imto Otte, 2012 | |
| Melanoplus inconspicuus Caudell, 1902 | |
| Melanoplus indicifer Hubbell, 1933 | |
| Melanoplus indigens Scudder, 1897 | |
| Melanoplus infantilis Scudder, 1878 | Little spur-throat grasshopper |
| Melanoplus ingrami Hill, 2010 | |
| Melanoplus irwinorum Hill, 2015 | |
| Melanoplus islandicus Blatchley, 1898 | Island Locust |
| Melanoplus ixalus Otte, 2012 | |
| Melanoplus jakei Otte, 2012 | |
| Melanoplus janus Otte, 2012 | |
| Melanoplus jenniferae Otte, 2012 | |
| Melanoplus jessicae Otte, 2012 | |
| Melanoplus jillae Otte, 2012 | |
| Melanoplus jucundus Scudder, 1876 | |
| Melanoplus juvencus Scudder, 1897 | |
| Melanoplus kasadi Gurney & Buxton, 1968 | |
| Melanoplus keeleri Thomas, 1874 | Keeler Grasshopper |
| Melanoplus keeleri keeleri Thomas, 1874 | Keeler's Locust |
| Melanoplus keeleri luridus Dodge, G.M., 1876 | Broad-necked Locust |
| Melanoplus keiferi Gurney & Buxton, 1963 | |
| Melanoplus kendalli Otte, 2012 | |
| Melanoplus kennicotti Scudder, 1878 | Kennicott grasshopper |
| Melanoplus kennicotti kennicotti (Scudder, S.H., 1878) | ⇒ Melanoplus kennicotti Scudder, 1878 |
| Melanoplus kennicottii Scudder, 1878 | Kennicott's Grasshopper |
| Melanoplus kissimmee Otte, 2012 | |
| Melanoplus knowlesi Otte, 2012 | |
| Melanoplus lakinus Scudder, 1878 | Lakin grasshopper |
| Melanoplus lanthanus Hewitt & Skoog, 1970 | |
| Melanoplus lapollai Otte, 2012 | |
| Melanoplus latah Otte, 2012 | |
| Melanoplus latifercula Caudell, 1903 | |
| Melanoplus latus Morse, 1906 | |
| Melanoplus laurelae Otte, 2012 | |
| Melanoplus lemhiensis Hebard, 1935 | Lemhi Spur Throat Grasshopper |
| Melanoplus lemurus Otte, 2012 | |
| Melanoplus lepidus Scudder, 1897 | |
| Melanoplus leucostoma Kirby, 1837 | |
| Melanoplus ligenolus Scudder, 1899 | |
| Melanoplus ligneolus Scudder, 1899 | |
| Melanoplus lilianae Otte, 2002 | |
| Melanoplus lithophilus Gurney & Buxton, 1965 | |
| Melanoplus littoralis Roberts, 1942 | |
| Melanoplus lolo Otte, 2012 | |
| Melanoplus longicornis Saussure, 1861 | |
| Melanoplus longipsolus Rentz, 1978 | |
| Melanoplus longunaus | |
| Melanoplus lovetti Fulton, 1930 | |
| Melanoplus ludivinae Fontana, Buz..., 2011 | |
| Melanoplus macclungi Rehn, 1946 | |
| Melanoplus madeleineae Vickery & Kevan, 1977 | |
| Melanoplus magdalenae Hebard, 1935 | |
| Melanoplus mancus Smith, 1868 | Smith'S Spur-Throat Grasshopper |
| Melanoplus mantua Otte, 2012 | |
| Melanoplus marginatus Scudder, 1876 | |
| Melanoplus marshalli (Hebard, 1927) | ⇒ Melanoplus marshallii Thomas, 1875 |
| Melanoplus marshallii Thomas, 1875 | |
| Melanoplus marshallii marshallii (Thomas, 1875) | ⇒ Melanoplus marshallii Thomas, 1875 |
| Melanoplus mastigiphallus Strohecker, 1941 | |
| Melanoplus mcnaryi Otte, 2012 | |
| Melanoplus meridae Roberts, 1942 | |
| Melanoplus meridionalis Scudder, 1897 | |
| Melanoplus mexicanus Saussure, 1861 | |
| Melanoplus mexicanus mexicanus (Saussure, 1861) | ⇒ Melanoplus mexicanus Saussure, 1861 |
| Melanoplus microtatus Hebard, 1919 | |
| Melanoplus middlekauffi Rentz, 1978 | |
| Melanoplus militaris (Scudder, 1897) | ⇒ Argiacris militaris Scudder, 1897 |
| Melanoplus mirus Rehn & Hebard, 1916 | Sicklekeel lupine |
| Melanoplus mississippi Hill, 2015 | |
| Melanoplus missoulae Hebard, 1936 | |
| Melanoplus mixes Fontana, Buz..., 2011 | |
| Melanoplus mogollona Otte, 2012 | |
| Melanoplus molothrus Otte, 2012 | |
| Melanoplus montanus Thomas, 1873 | |
| Melanoplus monticola (Scudder, S.H., 1897) | ⇒ Melanoplus borealis Fieber, 1853 |
| Melanoplus morsei Blatchley, 1903 | Morse's Locust |
| Melanoplus muricolor Strohecker, 1960 | |
| Melanoplus murieta Rentz, 1978 | |
| Melanoplus muscogee Hill, 2015 | |
| Melanoplus nanciae Deyrup, 1997 | |
| Melanoplus nanus Scudder, 1899 | |
| Melanoplus napa Otte, 2012 | |
| Melanoplus neomexicanus Scudder, 1902 | |
| Melanoplus nigrescens Scudder, 1877 | Black-sided Locust |
| Melanoplus nitidus Scudder, 1897 | |
| Melanoplus nossi Hill, 2014 | |
| Melanoplus novato Rentz, 1978 | |
| Melanoplus nubilus Rehn & Hebard, 1916 | Sicklekeel lupine |
| Melanoplus nufioi Otte, 2012 | |
| Melanoplus oaxacae Fontana, Buz..., 2011 | |
| Melanoplus obespsolus Rentz & Weis..., 1981 | |
| Melanoplus obex Otte, 2012 | |
| Melanoplus obovatipennis (Blatchley, 1894) | ⇒ Melanoplus rusticus obovatipennis Blatchley, 1894 |
| Melanoplus occidentalis Thomas, 1872 | Delicate stilt crab |
| Melanoplus occidentalis occidentalis (Thomas, 1872) | ⇒ Melanoplus occidentalis Thomas, 1872 |
| Melanoplus ohadi Otte, 2012 | |
| Melanoplus oklahomae Hebard, 1937 | |
| Melanoplus olamentke Hebard, 1920 | |
| Melanoplus optimus Hill, 2015 | |
| Melanoplus ordwayae Deyrup, 1997 | |
| Melanoplus oregonensis Thomas, 1875 | |
| Melanoplus oregonensis marshallii (Thomas, 1875) | ⇒ Melanoplus marshallii Thomas, 1875 |
| Melanoplus oregonensis oregonensis Thomas, 1875 | |
| Melanoplus oregonensis triangularis Hebard, 1928 | |
| Melanoplus oregonis Otte, 2012 | |
| Melanoplus oreophilus Hebard, 1920 | |
| Melanoplus ostentus Gurney & Buxton, 1968 | |
| Melanoplus ottei Hill, 2015 | |
| Melanoplus ouachita Hill, 2015 | |
| Melanoplus ourayensis Otte, 2012 | |
| Melanoplus ozarkensis Hill, 2015 | |
| Melanoplus pachycercus Hebard, 1935 | |
| Melanoplus packardi Rehn, J.A.G., 1904 | |
| Melanoplus packardii Scudder, 1878 | Packard grasshopper |
| Melanoplus packardii brooksi Vickery, 1979 | |
| Melanoplus packardii packardii Scudder, S.H., 1878 | Packard's Locust |
| Melanoplus pahgre Otte, 2012 | |
| Melanoplus papoosense Otte, 2012 | |
| Melanoplus papyraedus Strohecker, 1963 | |
| Melanoplus parvus (Provancher, 1876) | ⇒ Melanoplus borealis Fieber, 1853 |
| Melanoplus payettei Hebard, 1936 | |
| Melanoplus peatus Otte, 2012 | |
| Melanoplus pegasus Hebard, 1919 | Swift Locust |
| Melanoplus peninsularis Hubbell, 1932 | |
| Melanoplus perezi Otte, 2012 | |
| Melanoplus phobetico Otte, 2012 | |
| Melanoplus phoetaliotiformis (Scudder, S.H., 1898) | ⇒ Phoetaliotes nebrascensis Thomas, 1872 |
| Melanoplus picropidzae Hebard, 1937 | |
| Melanoplus pictus (Scudder, 1897) | ⇒ Oedaleonotus pictus Scudder, S.H., 1899 |
| Melanoplus pictus pictus Scudder, S.H., 1897 | |
| Melanoplus pilatus Hebard, 1897 | |
| Melanoplus pinaleno Hebard, 1937 | |
| Melanoplus pinctus Scudder, 1897 | |
| Melanoplus pinicola Fulton, 1930 | |
| Melanoplus platycercus Hebard, 1920 | |
| Melanoplus plebejus Stål, 1878 | |
| Melanoplus plumbeus Bruner, 1893 | |
| Melanoplus ponderosus Scudder, 1875 | Spur-throated Grasshopper |
| Melanoplus ponderosus ponderosus (Scudder, S.H., 1875) | ⇒ Melanoplus ponderosus Scudder, 1875 |
| Melanoplus ponderosus viola Thomas, 1876 | |
| Melanoplus prescotti Otte, 2012 | |
| Melanoplus primaestivus Dakin, 1966 | |
| Melanoplus propinquus Scudder, 1897 | |
| Melanoplus puer Scudder, 1878 | Least Short-winged Locust |
| Melanoplus punctulatus Scudder, 1863 | Delicate stilt crab |
| Melanoplus punctulatus arboreus Scudder, S.H., 1897 | Southern Grizzly Locust |
| Melanoplus punctulatus griseus Thomas, 1872 | |
| Melanoplus punctulatus punctulatus Scudder, S.H., 1862 | Grizzly Grasshopper |
| Melanoplus pygmaeus Davis, 1915 | Pygmy Locust |
| Melanoplus pyro Otte, 2012 | |
| Melanoplus quercicola Hebard, 1918 | Oak-loving Locust |
| Melanoplus querneus Rehn & Hebard, 1916 | Sicklekeel lupine |
| Melanoplus reflexus (Scudder, 1897) | ⇒ Melanoplus rentzi Otte, 1995 |
| Melanoplus regalis Dodge, 1876 | |
| Melanoplus rehni Hebard, 1920 | |
| Melanoplus relictus Hill, 2015 | |
| Melanoplus rentzi Otte, 1995 | |
| Melanoplus repetinus Hebard, 1935 | |
| Melanoplus retini Hebard, 1920 | |
| Melanoplus reyesensis Rentz, 1978 | |
| Melanoplus rileyanus Scudder, 1897 | |
| Melanoplus rileyanus rileyanus Scudder, S.H., 1897 | |
| Melanoplus rileyanus varicus Scudder, S.H., 1879 | |
| Melanoplus rosor Otte, 2012 | |
| Melanoplus rotundipennis Scudder, 1878 | Round-winged Locust |
| Melanoplus rugglesi Gurney, 1949 | Nevada sage grasshoper |
| Melanoplus rusticus Stål, 1878 | |
| Melanoplus rusticus obovatipennis Blatchley, 1894 | |
| Melanoplus rusticus rusticus Stål, 1878 | |
| Melanoplus salmonis Hebard, 1935 | |
| Melanoplus saltator Scudder, 1897 | |
| Melanoplus sanguineus (Bruner, L., 1904) | ⇒ Melanoplus arizonae Scudder, 1878 |
| Melanoplus sanguinipes Fabricius, 1798 | Migratory grasshopper |
| Melanoplus sanguinipes atlanis Riley, C.V., 1875 | Lesser Migratory Locust |
| Melanoplus sanguinipes defectus Scudder, S.H., 1897 | |
| Melanoplus sanguinipes sanguinipes Fabricius, 1798 | Migratory Grasshopper |
| Melanoplus sanguinipes vulturnus Gurney & A.R..., 1959 | |
| Melanoplus savannah Hill, 2015 | |
| Melanoplus scapularis Rehn & Hebard, 1916 | Sicklekeel lupine |
| Melanoplus scitulus Scudder, 1897 | |
| Melanoplus scudderi Uhler, 1864 | Scudder's Short-winged Locust |
| Melanoplus scudderi latus Morse, 1906 | |
| Melanoplus scudderi scudderi Uhler, 1864 | Scudder´s Short-winged Locust |
| Melanoplus scudderi texensis Hart, 1906 | |
| Melanoplus sebringi Otte, 2012 | |
| Melanoplus seltzerae Hill, 2015 | |
| Melanoplus seminole Hubbell, 1932 | |
| Melanoplus serrulatus Hebard, 1937 | |
| Melanoplus shoshoni Otte, 2012 | |
| Melanoplus similis (Morse, 1904) | ⇒ Melanoplus longicornis Saussure, 1861 |
| Melanoplus siskiyou Strohecker, 1963 | |
| Melanoplus snowii Scudder, 1897 | |
| Melanoplus sol Otte, 2012 | |
| Melanoplus solitarius Buzzetti, Ba..., 2010 | |
| Melanoplus solitudinis Hebard, 1935 | |
| Melanoplus sonomaensis Caudell, 1905 | |
| Melanoplus spearmani Otte, 2012 | |
| Melanoplus splendidus Hebard, 1920 | |
| Melanoplus spretus ♰ Walsh, 1866 | Rocky Mountain grasshopper |
| Melanoplus stegocercus Rehn & Hebard, 1916 | Sicklekeel lupine |
| Melanoplus stipes Otte, 2012 | |
| Melanoplus stonei Rehn, 1904 | Stone's Locust |
| Melanoplus strumosus Morse, 1904 | |
| Melanoplus stupefactus Scudder, 1876 | |
| Melanoplus sumichrasti Saussure, 1861 | |
| Melanoplus sumichrasti sumichrasti Saussure, 1861 | |
| Melanoplus sumichrasti vicinulus Roberts, 1942 | |
| Melanoplus sutanex Otte, 2012 | |
| Melanoplus sylvaticus McNeill, 1899 | |
| Melanoplus sylvestris Morse, 1904 | |
| Melanoplus symmetricus Morse, 1904 | Symmetrical Locust |
| Melanoplus taurus Hill, 2015 | |
| Melanoplus tendoyense Otte, 2012 | |
| Melanoplus tepidus Morse, 1906 | |
| Melanoplus tequestae Hubbell, 1932 | |
| Melanoplus terminalis Scudder, 1897 | |
| Melanoplus texanus Scudder, 1878 | |
| Melanoplus texarkana Hill, 2015 | |
| Melanoplus texensis Hart & C.A., 1906 | |
| Melanoplus thomasi Scudder, 1897 | |
| Melanoplus tincupense Otte, 2012 | |
| Melanoplus torridus Roberts, 1947 | |
| Melanoplus trachodes Barrientos L..., 2013 | |
| Melanoplus triangularis (Hebard, 1928) | ⇒ Melanoplus oregonensis Thomas, 1875 |
| Melanoplus tribuloides Morse, 1906 | |
| Melanoplus tribulus Morse, 1904 | |
| Melanoplus trigeminus Strohecker, 1963 | |
| Melanoplus trigidus | |
| Melanoplus trinitense Otte, 2012 | |
| Melanoplus tristis Bruner, 1904 | |
| Melanoplus truncatus Scudder, 1899 | |
| Melanoplus tuberculatus Morse, 1906 | |
| Melanoplus tumidicercus Hubbell, 1932 | |
| Melanoplus tunicae Hebard, 1920 | |
| Melanoplus typicalis (Scudder, 1897) | ⇒ Melanoplus devastator Scudder, 1878 |
| Melanoplus uinta Otte, 2012 | |
| Melanoplus unguicercus Deyrup, 1997 | |
| Melanoplus uniformis (Scudder, S.H., 1897) | ⇒ Melanoplus devastator Scudder, 1878 |
| Melanoplus utahensis (Scudder, S.H., 1897) | ⇒ Melanoplus borealis Fieber, 1853 |
| Melanoplus validus Scudder, 1899 | |
| Melanoplus validus pinicola (Fulton, 1930) | ⇒ Melanoplus pinicola Fulton, 1930 |
| Melanoplus variabilis (Scudder, S.H., 1897) | ⇒ Akamasacris variabilis Scudder, 1897 |
| Melanoplus variegatus Scudder, 1878 | |
| Melanoplus viola (Thomas, C., 1876) | ⇒ Melanoplus ponderosus Scudder, 1875 |
| Melanoplus virgatus Scudder, 1897 | |
| Melanoplus viridipes (Scudder, 1897) | ⇒ Melanoplus hubbelli Hebard, 1935 |
| Melanoplus viridipes eurycercus (Hebard, 1920) | ⇒ Melanoplus eurycercus Hebard, 1920 |
| Melanoplus vulnus Eades, 1959 | |
| Melanoplus wai Otte, 2012 | |
| Melanoplus walshii Scudder, 1897 | Walsh's Locust |
| Melanoplus wappo Rentz, 1978 | |
| Melanoplus warneri Little, 1929 | |
| Melanoplus washingtonius Bruner, 1885 | |
| Melanoplus wilsoni Gurney, 1960 | |
| Melanoplus wintunus Strohecker &..., 1963 | |
| Melanoplus withingtoni Otte, 2012 | |
| Melanoplus withlacoocheensis Squitier, De..., 1998 | |
| Melanoplus xenus Otte, 2012 | |
| Melanoplus yarrowii Thomas, 1875 | |
| Melanoplus zabro Otte, 2012 | |
| Melanoplus zento Otte, 2012 | |
| Melanoplus zeus Otte, 2012 | |
