Checklist for Order Orthoptera Latreille, 1793 (Crickets And Grasshoppers) and region Nevada (West USA, USA)
List of families for Nevada 17 Families width 188 Species and 12 Subspecies | Acrididae MacLeay, 1819 | Grasshoppers and locusts | 116 | Species | Taxom | | Gryllidae Bolivar, 1878 | Crickets | 7 | Species | Taxom | | Tettigoniidae Krauss, 1902 | Bush crickets | 30 | Species | Taxom | | Rhaphidophoridae Walker, 1869 | And Cave Weta | 7 | Species | Taxom | | Eneopteridae Saussure, 1893 | Bush cricket | 1 | Species | Taxom | | Locustopsidae Handlirsch, 1906 | | 1 | Species | Taxom | | Mogoplistidae Saussure, 1877 | Scaly cricket | 1 | Species | Taxom | | Romaleidae Brunner von ..., 1893 | Lubber grasshopper | 2 | Species | Taxom | | Trigonidiidae Saussure, 1870 | And Ground Crickets | 2 | Species | Taxom | | Tanaoceridae Rehn, 1948 | Desert Long-horned Grasshoppers | 2 | Species | Taxom | | Eumastacidae Burr, 1898 | Matchstick grasshoppers | 3 | Species | Taxom | | Myrmecophilidae Saussure, 1874 | Ant cricket | 3 | Species | Taxom | | Gryllotalpidae Saussure, 1870 | Mole cricket | 1 | Species | Taxom | | Tridactylidae Saussure, 1874 | Pygmy mole cricket | 1 | Species | Taxom | | Oecanthidae (Blanchard, 1845) | Tree cricket | 4 | Species | Taxom | | Tetrigidae Rambur, 1838 | Groundhoppers | 5 | Species | Taxom | | Stenopelmatidae Burmeister, 1838 | Bulldog Raspy Crickets | 2 | Species | Taxom |
Genera for Nevada 95 Genera with 188 Species #ABCDEGHILMNOPRSTXZ
| Abisares Stål, 1914 | | 1 | Species | Taxom | | Acheta Linnaeus, 1787 | | 2 | Species | Taxom | | Acrolophitus Thomas, 1873 | | 1 | Species | Taxom | | Aeoloplides Caudell, 1897 | | 2 | Species | Taxom | | Ageneotettix McNeill, 1876 | | 1 | Species | Taxom | | Aglaothorax Caudell, 1899 | Ovate Shieldbacks | 4 | Species | Taxom | | Ammobaenetes Hubbell, 1944 | Sand-treader Crickets | 1 | Species | Taxom | | Amphitornus McNeill, 1937 | | 2 | Species | Taxom | | Anabrus Haldeman, 1852 | mormon cricket | 1 | Species | Taxom | | Anconia Scudder, 1876 | | 1 | Species | Taxom | | Arethaea Stål, 1935 | Thread-legged katydids | 2 | Species | Taxom | | Arphia Stål, 1870 | | 3 | Species | Taxom | | Aulocara Scudder, 1899 | | 2 | Species | Taxom | | Banza Walker, 1899 | | 1 | Species | Taxom | | Bootettix Bruner, 1889 | | 1 | Species | Taxom | | Bradynotes Scudder, 1880 | | 3 | Species | Taxom | | Brazitrypa Gorochov, 2010 | | 1 | Species | Taxom | | Bruneria McNeill, 1881 | | 1 | Species | Taxom | | Camnula Stål, 1862 | | 1 | Species | Taxom | | Capnobotes Scudder, 1872 | | 3 | Species | Taxom | | Ceuthophilus Scudder, 1964 | Camel Cricket | 4 | Species | Taxom | | Chortophaga Harris, 1773 | | 1 | Species | Taxom | | Cibolacris Hebard, 1870 | | 1 | Species | Taxom | | Circotettix Scudder, 1872 | | 6 | Species | Taxom | | Conocephalites Handlirsch, 0 | | 1 | Species | Taxom | | Conocephalus Thunberg, 1862 | Coneheads | 2 | Species | Taxom | | Conozoa Saussure, 1889 | | 3 | Species | Taxom | | Cordillacris Rehn, 1873 | | 2 | Species | Taxom | | Cratypedes Scudder, 1870 | | 2 | Species | Taxom | | Cycloptilum Scudder, 1929 | Common scaly crickets | 1 | Species | Taxom | | Derotmema Scudder, 1919 | | 4 | Species | Taxom | | Dissosteira Scudder, 1884 | | 2 | Species | Taxom | | Dracotettix Bruner, 1893 | | 1 | Species | Taxom | | Encoptolophus Scudder, 1862 | | 1 | Species | Taxom | | Eremopedes Cockerell, 1972 | | 1 | Species | Taxom | | Eritettix Bruner, 1869 | | 1 | Species | Taxom | | Eunemobius Hebard, 1877 | Even-spurred ground crickets | 2 | Species | Taxom | | Gryllodes de Saussure, 1869 | | 1 | Species | Taxom | | Gryllus Linnaeus, 1901 | Common crickets | 3 | Species | Taxom | | Hesperotettix Scudder, 1872 | | 3 | Species | Taxom | | Idiostatus Pictet, 1973 | | 9 | Species | Taxom | | Insara F. Walker, 1964 | Western bush katydids | 3 | Species | Taxom | | Leprus Saussure, 1875 | | 2 | Species | Taxom | | Leptysma Stål, 1838 | | 1 | Species | Taxom | | Ligurotettix McNeill, 1897 | | 1 | Species | Taxom | | Machaerocera Saussure, 1859 | | 1 | Species | Taxom | | Melanoplus Stål, 1875 | Spur-throat grasshoppers | 20 | Species | Taxom | | Mermiria Stål, 1838 | | 1 | Species | Taxom | | Mestobregma Scudder, 1919 | | 2 | Species | Taxom | | Metator McNeill, 1884 | | 2 | Species | Taxom | | Microcentrum Scudder, 1859 | Angle-wing katydids | 1 | Species | Taxom | | Mioedipoda Stidham & St..., 2000 | | 1 | Species | Taxom | | Miogryllus Saussure, 1876 | Lesser field crickets | 1 | Species | Taxom | | Mohavacris Rehn, 1948 | | 1 | Species | Taxom | | Morsea Scudder, 1958 | | 1 | Species | Taxom | | Myrmecophilus Berthold, 1884 | | 3 | Species | Taxom | | Nebulatettix Gómez, Light..., 1893 | | 1 | Species | Taxom | | Neoconocephalus Karny, 1758 | Common coneheads | 1 | Species | Taxom | | Neocurtilla Kirby, 1832 | Northern Mole Crickets | 1 | Species | Taxom | | Neonemobius Hebard, 1896 | Small ground crickets | 1 | Species | Taxom | | Neotridactylus Günther, 1825 | | 1 | Species | Taxom | | Oecanthus Serville, 1894 | Common tree crickets | 4 | Species | Taxom | | Oedaleonotus Scudder, 1989 | | 4 | Species | Taxom | | Oedipoda Latreille, 1848 | | 1 | Species | Taxom | | Opeia McNeill, 1872 | | 1 | Species | Taxom | Oreopedes Rehn & Hebard, 1920 | | 0 | Species | Taxom | | Orphulella Giglio-Tos, 1838 | | 1 | Species | Taxom | | Palaisioscaria Günther, 1934 | | 1 | Species | Taxom | | Paratettix I. Bolivar, 1861 | Creek Pygmy Grasshoppers | 1 | Species | Taxom | | Pardalophora Saussure, 1872 | | 1 | Species | Taxom | | Paropomala Scudder, 1871 | | 2 | Species | Taxom | | Plagiostira Scudder, 1907 | | 1 | Species | Taxom | | Poecilotettix Scudder, 1897 | | 1 | Species | Taxom | | Pseudochorthippus Defaut, 1835 | | 2 | Species | Taxom | | Psoloessa Scudder, 1875 | | 2 | Species | Taxom | | Psychomastax Rehn and Hebard, 1934 | | 3 | Species | Taxom | | Rhaphidophorida | | 2 | Species | Taxom | | Schistocerca Stål, 1873 | Bird grasshoppers | 3 | Species | Taxom | | Scudderia Stål, 1878 | Bush Katydids | 1 | Species | Taxom | Spharagemon Scudder, 1875 | | 0 | Species | Taxom | | Steiroxys Herman, 1870 | | 1 | Species | Taxom | | Stenopelmatus Burmeister, 1859 | Jerusalem crickets | 2 | Species | Taxom | Taeniopoda Stål, 1873 | | 0 | Species | Taxom | | Tanaocerus Bruner, 1906 | | 1 | Species | Taxom | | Tetrix Latreille, 1758 | Forest Pygmy Grasshoppers | 1 | Species | Taxom | | Thisoicetrinus Uvarov, 1833 | | 1 | Species | Taxom | | Thoradonta Hancock, 1994 | | 1 | Species | Taxom | | Trachyrhachys Scudder, 1872 | | 1 | Species | Taxom | | Trepidulus McNeill, 1900 | | 1 | Species | Taxom | | Trimerotropis Stål, 1984 | | 20 | Species | Taxom | | Tytthotyle Scudder, 1889 | | 1 | Species | Taxom | | Xanthippus Saussure, 1921 | | 2 | Species | Taxom | | Xeracris Caudell, 1916 | | 1 | Species | Taxom | | Xiphidium Burmeister, 1901 | | 1 | Species | Taxom | | Zacycloptera Caudell, 1907 | | 1 | Species | Taxom |
Species list for Nevada 188 Species and 12 Subspecies | Abisares viridipennis hylaeus Rehn, J.A.G., 1914 | | | Acheta domestica (Linnaeus, 1758) | ⇒ Acheta domesticus Fabricius, 1787 | | Acheta domesticus Fabricius, 1787 | European hearth cricket | | Acrolophitus nevadensis Thomas, 1873 | | | Aeoloplides minor Bruner, 1904 | | | Aeoloplides tenuipennis Scudder, 1897 | | | Ageneotettix deorum Scudder, 1876 | White Whiskers Grasshopper | | Aglaothorax ovata Scudder, 1899 | Ovate shieldback | | Aglaothorax ovata armiger Rehn, J.A.G...., 1920 | | | Aglaothorax ovata segnis Rehn, J.A.G...., 1920 | | | Aglaothorax ovatus (Scudder, S.H., 1899) | ⇒ Aglaothorax ovata ovata Scudder, S.H., 1899 | | Ammobaenetes lariversi Strohecker, 1944 | Nevada Sand-treader Cricket | | Amphitornus coloradus Thomas, 1873 | Striped Grasshopper | | Amphitornus coloradus saltator Hebard, 1937 | | | Anabrus simplex Haldeman, 1852 | Mormon cricket | | Anconia integra Scudder, 1876 | Atlantic hairback fiddler | | Arethaea brevicauda Scudder, 1900 | California Thread-leg Katydid | | Arethaea coyotero Hebard, 1935 | Coyotero thread-legged katydid | | Arphia behrensi Saussure, 1884 | Olmec fiddler | | Arphia conspersa Scudder, 1875 | Speckle-winged Rangeland Grasshopper | | Arphia pseudonietana Thomas, 1870 | Red-winged Grasshopper | | Aulocara elliotti Thomas, 1870 | Big-headed grasshopper | | Aulocara femoratum Scudder, 1899 | | | Banza mauiensis Perkins, 1899 | | | Bootettix argentatus Bruner, 1889 | Creosote Bush Grasshopper | | Bradynotes obesa Thomas, 1872 | Delicate stilt crab | | Bradynotes obesa obesa Thomas, 1872 | | | Bradynotes obesa opima Scudder, S.H., 1880 | | | Brazitrypa paranaensis de Mello & Dias, 2010 | | | Bruneria shastana Scudder, 1881 | | | Camnula pellucida Scudder, 1862 | Clear-winged Grasshopper | | Capnobotes arizonensis Rehn, 1904 | Arizona longwing | | Capnobotes fuliginosus Thomas, 1872 | Delicate stilt crab | | Capnobotes occidentalis Thomas, 1872 | Delicate stilt crab | | Ceuthophilus (Ceuthophilus) nevadensis Barnum, 1964 | | | Ceuthophilus (Ceuthophilus) unguiculatus Hubbell, 1936 | | | Ceuthophilus (Geotettix) caudelli Hubbell, 1936 | | | Ceuthophilus (Geotettix) deserticola Barnum, 1964 | | | Chortophaga viridifasciata De Geer, 1773 | Blushing grasshopper | | Cibolacris parviceps Walker, 1870 | | | Circotettix carlinianus Thomas, 1870 | Carlinian Snapper Grasshopper | | Circotettix crotalum Rehn, 1921 | | | Circotettix maculatus Scudder, 1880 | | | Circotettix rabula Rehn & Hebard, 1906 | Wrangler Grasshopper | | Circotettix strepitus Rehn, 1921 | | | Circotettix undulatus Thomas, 1872 | Delicate stilt crab | | Conocephalites laticeps | | | Conocephalus (Anisoptera) fasciatus De Geer, 1773 | Slender meadow grasshopper | | Conocephalus (Conocephalus) brevipennis (Scudder, 1862) | ⇒ Ruspolia interrupta Walker, 1869 | | Conozoa rebellis Saussure, 1888 | | | Conozoa sulcifrons Scudder, 1876 | Groove-Headed Grasshopper | | Conozoa texana Bruner, 1889 | Cristate Grasshopper | | Cordillacris crenulata Bruner, 1889 | Crenulate-winged Grasshopper | | Cordillacris occipitalis Thomas, 1873 | Spotted-Winged Grasshopper | | Cratypedes lateritius Saussure, 1884 | Nevada Red-Winged Grasshopper | | Cratypedes neglectus Thomas, 1870 | Pronotal Range Grasshopper | | Cycloptilum comprehendens Hebard, 1929 | Syncopated scaly cricket | | Derotmema delicatulum Scudder, 1900 | | | Derotmema haydenii Rehn, J.A.G., 1919 | Hayden's Grasshopper | | Derotmema laticinctum Scudder, 1900 | | | Derotmema piute Rehn, 1919 | | | Dissosteira carolina Linnaeus, 1758 | Carolina Grasshopper | | Dissosteira spurcata Saussure, 1884 | Olmec fiddler | | Dracotettix plutonius Bruner, 1893 | | | Encoptolophus costalis Scudder, 1862 | Dusky Grasshopper | | Eremopedes (Oreopedes) pintiati Rentz, 1972 | Pintiati shieldback | | Eritettix simplex Scudder, 1869 | Velvet-striped Grasshopper | | Eunemobius carolinus Scudder, 1877 | Carolina ground cricket | | Eunemobius carolinus carolinus Scudder, S.H., 1877 | Carolina Ground Cricket | | Gryllodes sigillatus (Walker, 1869) | ⇒ Gryllodes supplicans Walker, 1859 | | Gryllus (Gryllus) pennsylvanicus Burmeister, 1838 | Fall cricket | | Gryllus (Gryllus) veletis Alexander & ..., 1960 | Spring field cricket | | Gryllus (Gryllus) vocalis Scudder, 1901 | Vocal field cricket | | Hesperotettix nevadensis Morse, 1903 | | | Hesperotettix nevadensis nevadensis Morse, 1903 | | | Hesperotettix viridis Thomas, 1872 | Delicate stilt crab | | Idiostatus aequalis Scudder, 1899 | Uniform shieldback | | Idiostatus apollo Rentz, 1973 | Apollo shieldback | | Idiostatus bechteli Rentz, 1973 | Bechtels shieldback | | Idiostatus elegans Caudell, 1907 | Elegant shieldback | | Idiostatus hermannii Thomas, 1875 | Herman’s shieldback | | Idiostatus inermis Scudder, 1899 | Unarmed shieldback | | Idiostatus inermoides Rentz, 1973 | Humboldt shieldback | | Idiostatus magnificus Hebard, 1934 | Magnificent shieldback | | Idiostatus martinellii Rentz, 1973 | Martinells shieldback | | Insara covilleae Rehn & Hebard, 1914 | Creosote bush katydid | | Insara elegans Scudder, 1901 | Elegant bush katydid | | Insara elegans maculata Barnum, 1964 | | | Leprus intermedius Saussure, 1884 | Olmec fiddler | | Leprus wheelerii Thomas, 1875 | | | Leptysma marginicollis Serville, 1838 | Slender locust | | Ligurotettix coquilletti McNeill, 1897 | Desert Clicker Grasshopper | | Machaerocera mexicana Saussure, 1859 | | | Melanoplus alpinus (Scudder, 1897) | ⇒ Miramella alpina alpina Kollar, 1833 | | Melanoplus angustipennis Dodge, 1877 | Narrow-winged Locust | | Melanoplus aridus Scudder, 1878 | | | Melanoplus bivittatus Say, 1825 | Spur-Throated Grasshoppers | | Melanoplus bruneri (Scudder, 1897) | ⇒ Aeoloplides turnbulli bruneri Caudell, 1907 | | Melanoplus cinereus Scudder, 1878 | Rightwing macoma | | Melanoplus complanatipes Scudder, 1897 | | | Melanoplus devastator Scudder, 1878 | Devastating grasshopper | | Melanoplus differentialis Thomas, 1865 | Differential grasshopper | | Melanoplus femurrubrum De Geer, 1773 | Red-legged grasshopper | | Melanoplus herbaceus Bruner, 1893 | | | Melanoplus infantilis Scudder, 1878 | Little spur-throat grasshopper | | Melanoplus lepidus Scudder, 1897 | | | Melanoplus mexicanus Saussure, 1861 | | | Melanoplus pictus (Scudder, 1897) | ⇒ Oedaleonotus pictus Scudder, S.H., 1899 | | Melanoplus pinctus Scudder, 1897 | | | Melanoplus ponderosus Scudder, 1875 | Spur-throated Grasshopper | | Melanoplus rugglesi Gurney, 1949 | Nevada sage grasshoper | | Melanoplus sanguinipes Fabricius, 1798 | Migratory grasshopper | | Melanoplus yarrowii Thomas, 1875 | | | Mermiria bivittata Serville, 1838 | Two-Striped Mermiria Grasshopper | | Mestobregma impexum Rehn, 1919 | | | Mestobregma terricolor Rehn, 1919 | | | Metator nevadensis Bruner, 1905 | | | Metator pardalinus Saussure, 1884 | Blue-legged Grasshopper | | Microcentrum rhombifolium Saussure, 1859 | Angular-winged katydid | | Mioedipoda reisereri Stidham, T.A..., 2000 | | | Miogryllus lineatus Scudder, 1876 | Western striped cricket | | Mohavacris timberlakei Rehn, 1948 | Marbled fiddler | | Morsea piute Rehn & Grant, 1958 | | | Myrmecophilus (Myrmecophilus) manni Schimmer, 1911 | Desert Ant Cricket | | Myrmecophilus (Myrmecophilus) nebrascensis Lugger, 1898 | Nebraska ant cricket | | Myrmecophilus (Myrmecophilus) oregonensis Bruner, 1884 | Oregon ant cricket | | Nebulatettix pallidus Bruner, 1893 | | | Neoconocephalus triops Linnaeus, 1758 | Broad-tipped conehead | | Neocurtilla hexadactyla Perty, 1832 | Northern mole cricket | | Neonemobius mormonius Scudder, 1896 | Collared ground cricket | | Neotridactylus apicialis Say, 1825 | Larger Pygmy Locust | | Oecanthus argentinus Saussure, 1874 | Prairie tree cricket | | Oecanthus californicus Saussure, 1874 | California tree cricket | | Oecanthus fultoni Walker, T.J., 1962 | Snowy tree cricket | | Oecanthus quadripunctatus (Beutenmüller, 1894) | ⇒ Oecanthus celerinictus Walker, T.J., 1963 | | Oedaleonotus borckii Stål, 1861 | | | Oedaleonotus enigma Scudder, 1876 | Valley Grasshopper | | Oedaleonotus orientis (Hebard, 1920) | ⇒ Oedaleonotus borckii Stål, 1861 | | Oedaleonotus werneri Yin & Smith, 1989 | | | Oedipoda homoptera (Eversmann, 1848) | ⇒ Euthystira brachyptera brachyptera Ocskay, 1826 | | Opeia obscura Thomas, 1872 | Delicate stilt crab | | Orphulella pelidna Burmeister, 1838 | Spotted-Wing Grasshopper | | Palaisioscaria calosoma calosoma (Günther, 1934) | ⇒ Palaisioscaria calosoma Günther, 1934 | | Paratettix mexicanus Saussure, 1861 | Mexican pygmy grasshopper | | Pardalophora haldemanii Scudder, 1872 | Haldeman's Locust | | Paropomala pallida Bruner, 1904 | | | Paropomala wyomingensis Thomas, 1871 | Wyoming Toothpick Grasshopper | | Plagiostira gillettei Caudell, 1907 | Gillettes shieldback | | Poecilotettix sanguineus Scudder, 1897 | | | Pseudochorthippus curtipennis Harris, 1835 | Marsh Meadow Grasshopper | | Pseudochorthippus curtipennis curtipennis curtipennis ..., 1835 | Marsh Meadow Grasshopper | | Psoloessa delicatula Scudder, 1876 | Brown-Spotted Range Grasshopper | | Psoloessa texana Scudder, 1875 | Spoon primrose-willow | | Psychomastax deserticola Hebard, 1934 | Desert Monkey Grasshopper | | Psychomastax deserticola indigena Rehn, J.A.G...., 1959 | | | Psychomastax robusta Hebard, 1934 | | | Rhaphidophorida deserticola | | | Rhaphidophorida nevadensis | | | Schistocerca lineata (Scudder, 1899) | ⇒ Schistocerca alutacea Harris, 1841 | | Schistocerca nitens Thunberg, 1815 | Gray bird grasshopper | | Schistocerca shoshone Thomas, 1873 | Green bird grasshopper | | Scudderia furcata Brunner von ..., 1878 | Fork-tailed bush katydid | | Steiroxys trilineata (Thomas, 1870) | ⇒ Steiroxys trilineatus Thomas, C., 1870 | | Stenopelmatus fuscus Haldeman, 1852 | Jerusalem cricket | | Stenopelmatus histrio Saussure, 1859 | Acting Jerusalem Cricket | | Tanaocerus koebelei Bruner, 1906 | Gulf sand fiddler | | Tetrix subulata Linnaeus, 1758 | Robust Groundhopper | | Thisoicetrinus pterostichus (Fischer von ..., 1833) | ⇒ Heteracris pterosticha Fischer von ..., 1833 | | Thoradonta centropleura Podgornaya, 1994 | | | Trachyrhachys kiowa Thomas, 1872 | Delicate stilt crab | | Trepidulus rosaceus Scudder, 1900 | | | Trimerotropis aberasturii McNary, 2014 | | | Trimerotropis agrestis McNeill, 1900 | | | Trimerotropis albescens McNeill, 1901 | | | Trimerotropis arizonensis Tinkham, 1947 | | | Trimerotropis californica Bruner, 1889 | California Band-Winged Grasshopper | | Trimerotropis cincta (Thomas, 1870) | ⇒ Trimerotropis pallidipennis Burmeister, 1838 | | Trimerotropis cyaneipennis Bruner, 1889 | Blue-winged grasshopper | | Trimerotropis fontana Thomas, 1876 | | | Trimerotropis gracilis (Thomas, 1872) | ⇒ Diraneura bivenosa Scudder, 1869 | | Trimerotropis inconspicua Bruner, 1904 | | | Trimerotropis koebelei Bruner, 1889 | | | Trimerotropis latifasciata Scudder, 1880 | | | Trimerotropis modesta Bruner, 1889 | | | Trimerotropis pallidipennis Burmeister, 1838 | Pallid-winged grasshopper | | Trimerotropis pistrinaria Saussure, 1884 | Olmec fiddler | | Trimerotropis pseudofasciata Scudder, 1876 | Atlantic hairback fiddler | | Trimerotropis salina McNeill, 1901 | | | Trimerotropis sparsa Thomas, 1875 | | | Trimerotropis verruculata Kirby, 1837 | Atlantic hairback fiddler | | Trimerotropis whitei Rentz & Weis..., 1984 | | | Tytthotyle maculata Bruner, 1889 | | | Xanthippus corallipes Haldeman, 1852 | Redshanked Grasshopper | | Xanthippus olancha Caudell, 1921 | | | Xeracris snowi Caudell, 1916 | | | Xiphidium vicinum (Morse, 1901) | ⇒ Conocephalus flavus Redtenbacher, 1891 | | Zacycloptera atripennis Caudell, 1907 | Black-winged shieldback |
Subnodes of Orthoptera with occurrences in Nevada
 | | Orthoptera (Latreille 1793) |
Links, sources and further information Orthoptera at orthoptera.speciesfile.org Orthoptera at grasshoppersofeurope.com Orthoptera at papua-insects.nl Orthoptera at artfakta.se Orthoptera at dyntaxa.se Orthoptera at gbif.org Orthoptera at itis.gov Orthoptera at marinespecies.org
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