Leafhopper checklist, part I

Iassus aequalis (Walker): Bythoscopus aequalis Walker 1870b:318 [n.sp.]; Metcalf 1966c,6(15):44 [Cat.]; DISTRIBUTION: New Guinea, East Indonesia: Mysol (Misool?) (Metcalf Cat.)
Iassus albidus (Walker): Bythoscopus albidus Walker 1851b:872 [n.sp.]; Metcalf 1966c,6(15):44 [Cat.]; DISTRIBUTION: Honduras (Metcalf Cat.)
Iassus anguliferus (Walker): Bythoscopus anguliferus Walker 1851b:868 [n.sp.]; Metcalf 1966c,6(15):45 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Iassus angustatus (Osborn): Bythoscopus angustatus Osborn 1934a:166 [n.sp.]; Metcalf 1966c,6(15):45 [Cat.]; DISTRIBUTION: Oceania: Tonga Islands, Oceania: Samoa Islands (Metcalf Cat.)
Iassus antarcticus (Spinola): Bythoscopus antarcticus Spinola 1852a:295 [n.sp.]; Metcalf 1966c,6(15):45 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus apicalis Spinola: Iassus apicalis Spinola 1852a:290 [n.sp.]; Metcalf 1966c,6(15):45 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus arisanus (Matsumura): Macropsis arisanus Matsumura 1912b:299 [n.sp.]; Metcalf 1966c,6(15):45 [Cat.]; DISTRIBUTION: Taiwan (Metcalf Cat.)
Iassus atrifrons (Metcalf): Bythoscopus atrifrons Metcalf 1946d:136 [n.sp.]; Metcalf 1966c,6(15):46 [Cat.]; DISTRIBUTION: Oceania: Guam (Metcalf Cat.)
Iassus australis (Walker): Bythoscopus australis Walker 1851b:872 [n.sp.]; Metcalf 1966c,6(15):46 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Iassus bohemani Metcalf: Jassus tiliae Boheman 1845b:162 [n.sp.]; Metcalf 1966c,6(15):46 [Cat.]; Iassus bohemani Metcalf 1966c:46 [nom.nov. for Jassus tiliae Boheman 1854]; Metcalf 1966c,6(15):46 [Cat.]; DISTRIBUTION: Sweden (Metcalf Cat.)
Iassus buxtoni (Osborn): Bythoscopus buxtoni Osborn 1934a:168 [n.sp.]; Metcalf 1966c,6(15):47 [Cat.]; DISTRIBUTION: Oceania: Samoa Islands (Metcalf Cat.)
Iassus capensis (Walker): Bythoscopus capensis Walker 1851b:870 [n.sp.]; Metcalf 1966c,6(15):47 [Cat.]; DISTRIBUTION: South Africa (Metcalf Cat.)
Iassus cephalotes (Walker): Bythoscopus cephalotes Walker 1857b:174 [n.sp.]; Metcalf 1966c,6(15):47 [Cat.]; DISTRIBUTION: Borneo (Metcalf Cat.)
Iassus chilensis Spinola: Iassus chilensis Spinola 1852a:291 [n.sp.]; Metcalf 1966c,6(15):47 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus chortophilus Walker: Iassus chortophilus Walker 1851b:893 [n.sp.]; Metcalf 1966c,6(15):48 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Iassus clathratus Blanchard: Iassus clathratus Blanchard 1852 [in Spinola 1852a:291] [n.sp.]; Metcalf 1966c,6(15):48 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus collinus (Osborn): Bythoscopus collinus Osborn 1934b:242 [n.sp.]; Metcalf 1966c,6(15):48 [Cat.]; DISTRIBUTION: Oceania: Marquesas Islands (Metcalf Cat.)
Iassus compactus (Evans): Jassus compactus Evans 1947a:257 [n.sp.]; Metcalf 1966c,6(15):48 [Cat.]; DISTRIBUTION: South Africa (Metcalf Cat.)
Iassus coriaceus Walker: Iassus coriaceus Walker 1870b:324 [n.sp.]; Metcalf 1966c,6(15):48 [Cat.]; DISTRIBUTION: East Indonesia: Mysol (Misool?) (Metcalf Cat.)
Iassus costalis Walker: Iassus costalis Walker 1870b:323 [n.sp.]; Metcalf 1966c,6(15):49 [Cat.]; DISTRIBUTION: Indonesia: Morty Island (Metcalf Cat.)
Iassus elegans (Blanchard): Bythoscopus elegans Blanchard 1852 [in Spinola 1852a:297] [n.sp.]; Metcalf 1966c,6(15):49 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus epirrhaena Walker: Iassus epirrhaena Walker 1851b:894 [n.sp.]; Metcalf 1966c,6(15):50 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Iassus evansi Metcalf: Jassus acutus Evans 1955a:29 [n.sp.]; Metcalf 1966c,6(15):50 [Cat.]; Iassus evansi Metcalf 1966c:50 [nom.nov. for for Jassus acutus Evans 1955]; Metcalf 1966c,6(15):50 [Cat.]; DISTRIBUTION: Zaire (Metcalf Cat.)
Iassus extremus Walker: Iassus extremus Walker 1852a:1164 [n.sp.]; Metcalf 1966c,6(15):50 [Cat.]; DISTRIBUTION: Europe (Metcalf Cat.)
Iassus flavipes (Motschulsky): Jassus flavipes Motschulsky 1859b:111 [n.sp.]; Metcalf 1966c,6(15):51 [Cat.]; DISTRIBUTION: locality unknown (Metcalf Cat.)
Iassus flavoscutatus (Blanchard): Bythoscopus flavoscutatus Blanchard 1852 [in Spinola 1852a:297] [n.sp.]; Metcalf 1966c,6(15):51 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus formosanus (Matsumura): Pediopsoides formosanus Matsumura 1912b:306 [n.sp.]; Metcalf 1966c,6(15):51 [Cat.]; DISTRIBUTION: Taiwan (Metcalf Cat.)
Iassus frontalis (Blanchard): Bythoscopus frontalis Blanchard 1852 [in Spinola 1852a:298] [n.sp.]; Metcalf 1966c,6(15):51 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus hyalinus Palisot de Beauvois: Iassus hyalinus Palisot de Beauvois 1820a:170 [n.sp.]; Metcalf 1966c,6(15):53 [Cat.]; DISTRIBUTION: Africa (Metcalf Cat.)
Iassus hypaulacius (Walker): Bythoscopus hypaulacia Walker 1851b:864 [n.sp.]; Metcalf 1966c,6(15):53 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Iassus ignicans (Walker): Bythoscopus ignicans Walker 1857b:175 [n.sp.]; Metcalf 1966c,6(15):53 [Cat.]; DISTRIBUTION: Borneo (Metcalf Cat.)
Iassus immemorans (Walker): Bythoscopus immemorans Walker 1858a:110 [n.sp.]; Metcalf 1966c,6(15):53 [Cat.]; DISTRIBUTION: Uruguay (Metcalf Cat.)
Iassus indicus (Lethierry): Macropsis indica Lethierry 1892c:209 [n.sp.]; Metcalf 1966c,6(15):53 [Cat.]; Pachyopsis chlorophana Melichar 1903b:153 [n.sp.]; Metcalf 1966c,6(15):53 [Cat.]; DISTRIBUTION: India, Sri Lanka, Tanzania, Myanmar, West Indonesia, East Indonesia, Indian Ocean: Seychelles Islands, Oceania: Samoa Islands, Oceania: Marquesas Islands, Philippines, China (Metcalf Cat.)
Iassus lanio (Linnaeus): Cicada lanio Linnaeus 1761a:242 [n.sp.]; Metcalf 1966c,6(15):55 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Western Mediterranean, Baltic region, Russia, Northern Africa (Metcalf Cat.)
Iassus lanio brunneus (Fabricius): Cicada lanio brunnea Fabricius 1794a:43 [n.sp.]; Metcalf 1966c,6(15):67 [Cat.]; DISTRIBUTION: Germany (Metcalf Cat.)
Iassus lateralis (Matsumura): Macropsis lateralis Matsumura 1905a:51 [n.sp.]; Metcalf 1966c,6(15):69 [Cat.]; DISTRIBUTION: Japan (Metcalf Cat.)
Iassus laticeps (Osborn): Bythoscopus laticeps Osborn 1934a:168 [n.sp.]; Metcalf 1966c,6(15):70 [Cat.]; DISTRIBUTION: Oceania: Samoa Islands (Metcalf Cat.)
Iassus latifrons Blanchard: Iassus latifrons Blanchard 1852 [in Spinola 1852a:293] [n.sp.]; Metcalf 1966c,6(15):70 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus leucospilus (Walker): Bythoscopus leucospilus Walker 1851b:859 [n.sp.]; Metcalf 1966c,6(15):70 [Cat.]; DISTRIBUTION: Italy (Metcalf Cat.)
Iassus leveri (Evans): Jassus leveri Evans 1947a:257 [n.sp.]; Metcalf 1966c,6(15):71 [Cat.]; DISTRIBUTION: Oceania: Soloman Islands (Metcalf Cat.)
Iassus liber (Walker): Bythoscopus liber Walker 1858a:111 [n.sp.]; Metcalf 1966c,6(15):71 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Iassus lineola Walker: Iassus lineola Walker 1858b:272 [n.sp.]; Metcalf 1966c,6(15):71 [Cat.]; DISTRIBUTION: Gambia (Metcalf Cat.)
Iassus lituriceps Walker: Iassus lituriceps Walker 1870b:323 [n.sp.]; Metcalf 1966c,6(15):71 [Cat.]; DISTRIBUTION: East Indonesia (Metcalf Cat.)
Iassus lucidicosta Walker: Iassus lucidicosta Walker 1870b:323 [n.sp.]; Metcalf 1966c,6(15):71 [Cat.]; DISTRIBUTION: New Guinea (Metcalf Cat.)
Iassus maculatus (Osborn): Bythoscopus maculatus Osborn 1934b:243 [n.sp.]; Metcalf 1966c,6(15):72 [Cat.]; DISTRIBUTION: Oceania: Marquesas Islands (Metcalf Cat.)
Iassus maculipennis (Stål): Macropsis maculipennis Stål 1870c:740 [n.sp.]; Metcalf 1966c,6(15):72 [Cat.]; DISTRIBUTION: Philippines (Metcalf Cat.)
Iassus magnus (Distant): Bythoscopus magnus Distant 1916a:227 [n.sp.]; Metcalf 1966c,6(15):72 [Cat.]; DISTRIBUTION: India (Metcalf Cat.)
Iassus matsumurai Metcalf: Macropsis punctata Matsumura 1912b:298 [n.sp.]; Metcalf 1966c,6(15):72 [Cat.]; Iassus matsumurai Metcalf 1966c:72 [nom.nov. for Macropsis punctata Matsumura 1912]; Metcalf 1966c,6(15):72 [Cat.]; DISTRIBUTION: Taiwan, Japan (Metcalf Cat.)
Iassus montaguei (Distant): Bythoscopus montaguei Distant 1920f:467 [n.sp.]; Metcalf 1966c,6(15):73 [Cat.]; DISTRIBUTION: New Caledonia (Metcalf Cat.)
Iassus multisparsus (Jacobi): Bythoscopus multisparsus Jacobi 1917a:546 [n.sp.]; Metcalf 1966c,6(15):73 [Cat.]; DISTRIBUTION: Madagascar (Metcalf Cat.)
Iassus nacia (Walker): Bythoscopus nacia Walker 1851b:864 [n.sp.]; Metcalf 1966c,6(15):73 [Cat.]; DISTRIBUTION: Italy (Metcalf Cat.)
Iassus nigrifrons (Osborn): Bythoscopus nigrifrons Osborn 1924b:389 [n.sp.]; Metcalf 1966c,6(15):74 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Iassus obliquus (Walker): Bythoscopus obliquus Walker 1858b:267 [n.sp.]; Metcalf 1966c,6(15):74 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Iassus osborni Metcalf: Bythoscopus hyalinus Osborn 1934a:169 [n.sp.]; Metcalf 1966c,6(15):74 [Cat.]; Iassus osborni Metcalf 1966c:74 [nom.nov. for Bythoscopus hyalinus Osborn 1934]; Metcalf 1966c,6(15):74 [Cat.]; DISTRIBUTION: Oceania: Samoa Islands (Metcalf Cat.)
Iassus pallidus (Osborn): Bythoscopus pallidus Osborn 1924b:388 [n.sp.]; Metcalf 1966c,6(15):75 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Iassus pedemantia Walker: Iassus pedemantia Walker 1851b:893 [n.sp.]; Metcalf 1966c,6(15):75 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Iassus pellucidus (Osborn): Bythoscopus pellucidus Osborn 1934b:242 [n.sp.]; Metcalf 1966c,6(15):75 [Cat.]; DISTRIBUTION: Oceania: Marquesas Islands (Metcalf Cat.)
Iassus peltophlyctis (Walker): Bythoscopus peltophlyctis Walker 1851b:864 [n.sp.]; Metcalf 1966c,6(15):75 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Iassus piceatus (Distant): Bythoscopus piceatus Distant 1908g:191 [n.sp.]; Metcalf 1966c,6(15):75 [Cat.]; DISTRIBUTION: Sri Lanka, India (Metcalf Cat.)
Iassus politus (Walker): Bythoscopus politus Walker 1870b:320 [n.sp.]; Metcalf 1966c,6(15):76 [Cat.]; DISTRIBUTION: Indonesia: Morty Island (Metcalf Cat.)
Iassus prostictops Walker: Iassus prostictops Walker 1851b:893 [n.sp.]; Metcalf 1966c,6(15):76 [Cat.]; DISTRIBUTION: Italy (Metcalf Cat.)
Iassus pubipennis (Lethierry): Macropsis pubipennis Lethierry 1890a:156 [n.sp.]; Metcalf 1966c,6(15):76 [Cat.]; DISTRIBUTION: Venezuela (Metcalf Cat.)
Iassus pulvereus (Distant): Bythoscopus pulvereus Distant 1908g:192 [n.sp.]; Metcalf 1966c,6(15):77 [Cat.]; DISTRIBUTION: India (Metcalf Cat.)
Iassus punctatissimus (Melichar): Pachyopsis punctatissima Melichar 1908b:12 [n.sp.]; Metcalf 1966c,6(15):77 [Cat.]; DISTRIBUTION: Tanzania (Metcalf Cat.)
Iassus punctatus (Kirby): Idiocerus punctatus Kirby 1900a:138 [n.sp.]; Metcalf 1966c,6(15):77 [Cat.]; DISTRIBUTION: Christmas Isl. (Indi.Ocean), Austro-Malayan Region (Metcalf Cat.)
Iassus rinkihonis (Matsumura): Macropsis rinkihonis Matsumura 1912b:300 [n.sp.]; Metcalf 1966c,6(15):78 [Cat.]; DISTRIBUTION: Taiwan (Metcalf Cat.)
Iassus rubrofrontalis (Distant): Bythoscopus rubrofrontalis Distant 1908g:192 [n.sp.]; Metcalf 1966c,6(15):78 [Cat.]; DISTRIBUTION: Philippines, West Indonesia, East Indonesia, India (Metcalf Cat.)
Iassus rufescens (Blanchard): Bythoscopus rufescens Blanchard 1852 [in Spinola 1852a:298] [n.sp.]; Metcalf 1966c,6(15):79 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus schrankii (Gmelin): Cicada fenestrata Schrank 1776a:74 [n.sp.]; Metcalf 1966c,6(15):79 [Cat.]; Cicada schrankii Gmelin 1789a:2109 [nom.nov. for Cicada fenestrata Schrank 1776]; Metcalf 1966c,6(15):79 [Cat.]; Cicada alni Schrank 1801a:50 [n.sp.]; Metcalf 1966c,6(15):79 [Cat.]; Pediopsis heydenii Kirschbaum 1868b:172 [n.sp.]; Metcalf 1966c,6(15):79 [Cat.]; DISTRIBUTION: Widespread Europe, United Kingdom, Scandinavia, Mediterranean, Baltic region, Russia, Japan (Metcalf Cat.)
Iassus scutellaris (Fieber): Macropsis scutellaris Fieber 1868a:451 [n.sp.]; Metcalf 1966c,6(15):87 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Western Mediterranean (Metcalf Cat.)
Iassus scutellaris purpuratus (Horváth): Macropsis scutellaris purpuratus Horváth 1897b:626 [n.subsp. of scutellaris]; Metcalf 1966c,6(15):89 [Cat.]; DISTRIBUTION: Hungary, Croatia, France, Austria (Metcalf Cat.)
Iassus sinensis (Walker): Bythoscopus sinensis Walker 1851b:871 [n.sp.]; Metcalf 1966c,6(15):89 [Cat.]; DISTRIBUTION: Hong Kong (Metcalf Cat.)
Iassus smithii (Baker): Macropsis smithii Baker 1900a:56 [n.sp.]; Metcalf 1966c,6(15):89 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Iassus sordidus (Baker): Macropsis sordidus Baker 1900a:56 [n.sp.]; Metcalf 1966c,6(15):90 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Iassus stramineus (Baker): Macropsis stramineus Baker 1900a:59 [n.sp.]; Metcalf 1966c,6(15):90 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Iassus testaceus (Walker): Bythoscopus testaceus Walker 1852a:1163 [n.sp.]; Metcalf 1966c,6(15):91 [Cat.]; DISTRIBUTION: Australia, Borneo, Philippines (Metcalf Cat.)
Iassus tetrops (Jacobi): Bythoscopus tetrops Jacobi 1917a:546 [n.sp.]; Metcalf 1966c,6(15):91 [Cat.]; DISTRIBUTION: Madagascar (Metcalf Cat.)
Iassus tutuilanus (Osborn): Bythoscopus tutuilanus Osborn 1934a:166 [n.sp.]; Metcalf 1966c,6(15):91 [Cat.]; DISTRIBUTION: Oceania: Samoa Islands (Metcalf Cat.)
Iassus vermiculatus Blanchard: Iassus vermiculatus Blanchard 1852 [in Spinola 1852a:293] [n.sp.]; Metcalf 1966c,6(15):92 [Cat.]; DISTRIBUTION: Chile (Metcalf Cat.)
Iassus viduus (Stål): Bythoscopus viduus Stål 1859b:291 [n.sp.]; Metcalf 1966c,6(15):92 [Cat.]; DISTRIBUTION: Oceania: Hawaii Islands, Tahiti Islands (Metcalf Cat.)
Iassus viridoflavidus (Metcalf): Bythoscopus viridoflavidus Metcalf 1946d:136 [n.sp.]; Metcalf 1966c,6(15):92 [Cat.]; DISTRIBUTION: Oceania: Guam (Metcalf Cat.)
Iassus walkeri Metcalf: Bythoscopus unicolor Walker 1870b:320 [n.sp.]; Metcalf 1966c,6(15):93 [Cat.]; Iassus walkeri Metcalf 1966c:93 [nom.nov. for Bythoscopus unicolor Walker 1870]; Metcalf 1966c,6(15):93 [Cat.]; DISTRIBUTION: West Indonesia (Metcalf Cat.)
Iassus xantholues Walker: Iassus xantholues Walker 1851b:894 [n.sp.]; Metcalf 1966c,6(15):93 [Cat.]; DISTRIBUTION: France, Italy (Metcalf Cat.)
Iassus zinnevia (Walker): Bythoscopus zinnevia Walker 1851b:864 [n.sp.]; Metcalf 1966c,6(15):93 [Cat.]; DISTRIBUTION: Italy (Metcalf Cat.)
Iberia bolivari (Signoret): Stegelytra bolivari Signoret 1880b:203 [n.sp.]; Metcalf 1964b,6(11):93 [Cat.]; DISTRIBUTION: Spain, Portugal (Metcalf Cat.)
Iberia putoni (Mulsant & Rey): Stegelytra putoni Mulsant & Rey 1875a:169 [n.sp.]; Metcalf 1964b,6(11):93 [Cat.]; DISTRIBUTION: Portugal, France, Spain, Austria, Morocco, Croatia (Metcalf Cat.)
Ichthyobelus bellicosus Melichar: Ichthyobelus bellicosus Melichar 1925a:361 [n.sp.]; Metcalf 1965a,6(1):540 [Cat.]; DISTRIBUTION: Ecuador, Peru, Bolivia (Young 1968a)
Idiocerella obscura Evans: Idiocerella obscura Evans 1941e: 39 [n.sp.]; Metcalf 1966d, 6(16): 216 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerinus bakeri Merino: Idiocerinus bakeri Merino 1936a: 327 [n.sp.]; Metcalf 1966d, 6(16): 224 [Cat.]; DISTRIBUTION: Philippines (Metcalf Cat.)
Idiocerinus melichari Baker: Idiocerinus melichari Baker 1915c: 341 [n.sp.]; Metcalf 1966d, 6(16): 224 [Cat.]; DISTRIBUTION: Philippines (Metcalf Cat.)
Idiocerinus nacreatus Baker: Idiocerinus nacreatus Baker 1915c: 341 [n.sp.]; Metcalf 1966d, 6(16): 224 [Cat.]; DISTRIBUTION: Philippines (Metcalf Cat.)
Idiocerinus stali (Fieber): Idiocerus stali Fieber 1868a: 453 [n.sp.]; Metcalf 1966d, 6(16): 225 [Cat.]; Idiocerus bicolor Melichar 1896d: 205 [n.sp.]; Metcalf 1966d, 6(16): 225 [Cat.]; DISTRIBUTION: Turkey, Greece, Cyprus, Kazakhstan, Kirghizia, Tadzhikistan, Turkmenistan, Uzbekistan (Metcalf Cat.)
Idioceroides tettigoniformis Matsumura: Idioceroides tettigoniformis Matsumura 1912b: 324 [n.sp.]; Metcalf 1966d, 6(16): 217 [Cat.]; DISTRIBUTION: Taiwan (Metcalf Cat.)
Idiocerus aaliensis Strand: Idiocerus aaliensis Strand 1913a: 271 [n.sp.]; Metcalf 1966d, 6(16): 22 [Cat.]; DISTRIBUTION: Norway (Metcalf Cat.)
Idiocerus acuminatus Osborn: Idiocerus acuminatus Osborn 1923b: 21 [n.sp.]; Metcalf 1966d, 6(16): 23 [Cat.]; DISTRIBUTION: Bolivia (Metcalf Cat.)
Idiocerus affinis Flor: Idiocerus affinis Flor 1861a: 176 [n.sp.]; Metcalf 1966d, 6(16): 23 [Cat.]; DISTRIBUTION: Latvia, Estonia (Metcalf Cat.)
Idiocerus albicans Kirschbaum: Idiocerus albicans Kirschbaum 1868a: 17 [n.sp.]; Metcalf 1966d, 6(16): 23 [Cat.]; DISTRIBUTION: Widespread Europe, United Kingdom, Russia, United States (Metcalf Cat.)
Idiocerus albicans fuscocoeruleus Edwards: Idiocerus albicans fuscocoerulea Edwards 1914b: 812 [n.subsp. of albicans]; Metcalf 1966d, 6(16): 26 [Cat.]; DISTRIBUTION: Great Britain, Netherlands (Metcalf Cat.)
Idiocerus albicollis Osborn: Idiocerus albicollis Osborn 1924b: 391 [n.sp.]; Metcalf 1966d, 6(16): 26 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus almasyi Horváth: Idiocerus almasyi Horváth 1904b: 588 [n.sp.]; Metcalf 1966d, 6(16): 26 [Cat.]; DISTRIBUTION: Turkey, Kazakhstan, Kirghizia, Tadzhikistan, Turkmenistan, Uzbekistan (Metcalf Cat.)
Idiocerus alnirubratus Bliven: Idiocerus alnirubratus Bliven 1955b: 9 [n.sp.]; Metcalf 1966d, 6(16): 27 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus alternatus Fitch: Idiocerus alternatus Fitch 1851a: 59 [n.sp.]; Metcalf 1966d, 6(16): 27 [Cat.]; Idiocerus interruptus Gillette & Baker 1895a: 74 [n.sp.]; Metcalf 1966d, 6(16): 27 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus amabilis Ball: Idiocerus amabilis Ball 1902e: 306 [n.sp.]; Metcalf 1966d, 6(16): 30 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus amoenus [sic] Van Duzee: Idiocerus amoemus Van Duzee 1894b: 89 [n.sp.]; Metcalf 1966d, 6(16): 31 [Cat.]; Idiocerus amoenus Gillette & Baker 1895a: 74 [implicit emend. of amoemus]; Metcalf 1966d, 6(16): 31 [Cat.]; Idiocerus depictus Ball 1902e: 313 [n.subsp. of amoenus]; Metcalf 1966d, 6(16): 31 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus angustiloris Reuter: Idiocerus angustiloris Reuter 1885a: 33 [n.sp.]; Metcalf 1966d, 6(16): 32 [Cat.]; DISTRIBUTION: Russia (Metcalf Cat.)
Idiocerus apache Ball & Parker: Idiocerus apache Ball & Parker 1946a: 76 [n.sp.]; Metcalf 1966d, 6(16): 32 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus apache juniperus DeLong & Hershberger: Idiocerus apache juniperus DeLong & Hershberger 1947a: 46 [n.subsp. of apache]; Metcalf 1966d, 6(16): 33 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus apertus DeLong & Hershberger: Idiocerus apertus DeLong & Hershberger 1947a: 46 [n.sp.]; Metcalf 1966d, 6(16): 33 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus apicalis Matsumura: Idiocerus apicalis Matsumura 1912b: 323 [n.sp.]; Metcalf 1966d, 6(16): 33 [Cat.]; DISTRIBUTION: Taiwan (Metcalf Cat.)
Idiocerus areatus Osborn: Idiocerus areatus Osborn 1923b: 17 [n.sp.]; Metcalf 1966d, 6(16): 33 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus astutus Melichar: Idiocerus astutus Melichar 1903b: 150 [n.sp.]; Metcalf 1966d, 6(16): 33 [Cat.]; DISTRIBUTION: Sri Lanka (Metcalf Cat.)
Idiocerus atkinsoni Lethierry: Idiocerus atkinsoni Lethierry 1889c: 252 [n.sp.]; Metcalf 1966d, 6(16): 33 [Cat.]; Idiocerus quinquepunctatus Melichar 1903b: 146 [n.sp.]; Metcalf 1966d, 6(16): 33 [Cat.]; DISTRIBUTION: India, Sri Lanka, Japan, Pakistan, Myanmar (Metcalf Cat.)
Idiocerus aulonias Kirkaldy: Idiocerus aulonias Kirkaldy 1907d: 34 [n.sp.]; Metcalf 1966d, 6(16): 35 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus bakeri Metcalf: Idiocerus trifasciatus Osborn 1923b: 19 [n.sp.]; Metcalf 1966d, 6(16): 35 [Cat.]; Idiocerus bakeri Metcalf 1955a: 266 [nom.nov. for Idiocerus trifasciatus Osborn 1923]; Metcalf 1966d, 6(16): 35 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus bimaculatus Singh-Pruthi: Idiocerus bimaculatus Singh-Pruthi 1936a: 102 [n.sp.]; Metcalf 1966d, 6(16): 36 [Cat.]; DISTRIBUTION: India (Metcalf Cat.)
Idiocerus bipunctatus Lindberg: Idiocerus bipunctatus Lindberg 1925a: 107 [n.sp.]; Metcalf 1966d, 6(16): 36 [Cat.]; DISTRIBUTION: Kazakhstan, Turkmenistan (Metcalf Cat.)
Idiocerus borealis DeLong & Caldwell: Idiocerus borealis DeLong & Caldwell 1937b: 161 [n.sp.]; Metcalf 1966d, 6(16): 36 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus bovinus Ball & Parker: Idiocerus bovinus Ball & Parker 1946a: 79 [n.sp.]; Metcalf 1966d, 6(16): 36 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus braziliensis Metcalf: Bythoscopus unicolor Stål 1862e: 54 [n.sp.]; Metcalf 1966d, 6(16): 36 [Cat.]; Idiocerus braziliensis Metcalf 1966d: 36 [nom.nov. for Bythoscopus unicolor Stål 1862]; Metcalf 1966d, 6(16): 36 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus breviatus Osborn: Idiocerus breviatus Osborn 1924b: 392 [n.sp.]; Metcalf 1966d, 6(16): 36 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus brunneus Osborn & Ball: Idiocerus brunneus Osborn & Ball 1898e: 72 [n.sp.]; Metcalf 1966d, 6(16): 37 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus brusinae Horváth: Idiocerus brusinae Horváth 1895b: 46 [n.sp.]; Metcalf 1966d, 6(16): 37 [Cat.]; DISTRIBUTION: Widespread Balkans, Western Mediterranean (Metcalf Cat.)
Idiocerus caliginosus DeLong & Caldwell: Idiocerus caliginosus DeLong & Caldwell 1937b: 164 [n.sp.]; Metcalf 1966d, 6(16): 38 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus candidus Evans: Idiocerus candidus Evans 1941f: 151 [n.sp.]; Metcalf 1966d, 6(16): 38 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus catalinus Ball & Parker: Idiocerus catalinus Ball & Parker 1946a: 76 [n.sp.]; Metcalf 1966d, 6(16): 38 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus cauterus Ball & Parker: Idiocerus cauterus Ball & Parker 1946a: 82 [n.sp.]; Metcalf 1966d, 6(16): 38 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus cephalicus Ball & Parker: Idiocerus cephalicus Ball & Parker 1946a: 79 [n.sp.]; Metcalf 1966d, 6(16): 38 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus chicanus Ball & Parker: Idiocerus chicanus Ball & Parker 1946a: 77 [n.sp.]; Metcalf 1966d, 6(16): 38 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus chisosus DeLong & Caldwell: Idiocerus chisosus DeLong & Caldwell 1937b: 164 [n.sp.]; Metcalf 1966d, 6(16): 38 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus chivensis Kusnezov: Idiocerus chivensis Kusnezov 1929a: 309 [n.sp.]; Metcalf 1966d, 6(16): 39 [Cat.]; DISTRIBUTION: Kazakhstan, Kirghizia, Tadzhikistan, Turkmenistan, Uzbekistan (Metcalf Cat.)
Idiocerus cinctus DeLong & Caldwell: Idiocerus cinctus DeLong & Caldwell 1937b: 163 [n.sp.]; Metcalf 1966d, 6(16): 39 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus citrinus Melichar: Indiocerus [sic] citrinus Melichar 1914g: 2 [n.sp.]; Metcalf 1966d, 6(16): 39 [Cat.]; DISTRIBUTION: Zaire (Metcalf Cat.)
Idiocerus clavopunctatus Evans: Idiocerus clavopunctatus Evans 1954a: 106 [n.sp.]; Metcalf 1966d, 6(16): 39 [Cat.]; DISTRIBUTION: Madagascar (Metcalf Cat.)
Idiocerus clypealis Lethierry: Idiocerus clypealis Lethierry 1889c: 252 [n.sp.]; Metcalf 1966d, 6(16): 39 [Cat.]; Idiocerus nigroclypeatus Melichar 1903b: 148 [n.sp.]; Metcalf 1966d, 6(16): 39 [Cat.]; DISTRIBUTION: India, Sri Lanka, Japan, Taiwan, West Indonesia, Malaysia, Philippines (Metcalf Cat.)
Idiocerus coconinus Ball & Parker: Idiocerus coconinus Ball & Parker 1946a: 75 [n.sp.]; Metcalf 1966d, 6(16): 42 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus cognatus Fieber: Idiocerus bohemani Kirschbaum 1868b: 162 [n.sp.]; Metcalf 1966d, 6(16): 42 [Cat.]; Idiocerus cognatus Fieber 1868a: 455 [n.sp.]; Metcalf 1966d, 6(16): 42 [Cat.]; Idiocerus distinguendus Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 42 [Cat.]; Idiocerus lucidus Kirschbaum 1868a: 11 [n.sp.]; Metcalf 1966d, 6(16): 42 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Scandanvia, Canada, United States (Metcalf Cat.)
Idiocerus coloratus Evans: Idiocerus coloratus Evans 1941f: 150 [n.sp.]; Metcalf 1966d, 6(16): 47 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus concinnus Ball: Idiocerus concinnus Ball 1902e: 306 [n.sp.]; Metcalf 1966d, 6(16): 47 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus confuscous Singh-Pruthi: Idiocerus confuscous Singh-Pruthi 1936a: 104 [n.sp.]; Metcalf 1966d, 6(16): 47 [Cat.]; DISTRIBUTION: India (Metcalf Cat.)
Idiocerus confusus Flor: Idiocerus confusus Flor 1861a: 179 [n.sp.]; Metcalf 1966d, 6(16): 48 [Cat.]; Idiocerus nubilis Buckton 1890d: 118 [n.sp.]; Metcalf 1966d, 6(16): 49 [Cat.]; DISTRIBUTION: Widespread Scandinavia, Europe, Great Britain (Metcalf Cat.)
Idiocerus confusus nigricans Ossiannilsson: Idiocerus confusus nigricans Ossiannilsson 1942b: 114 [n.subsp. of confusus]; Metcalf 1966d, 6(16): 53 [Cat.]; DISTRIBUTION: Sweden, Poland (Metcalf Cat.)
Idiocerus costalis Osborn: Idiocerus costalis Osborn 1924b: 392 [n.sp.]; Metcalf 1966d, 6(16): 53 [Cat.]; DISTRIBUTION: Bolivia (Metcalf Cat.)
Idiocerus couleanus Ball & Parker: Idiocerus couleanus Ball & Parker 1946a: 73 [n.sp.]; Metcalf 1966d, 6(16): 53 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus crassipes Sahlberg: Idiocerus crassipes Sahlberg 1871a: 143 [n.sp.]; Metcalf 1966d, 6(16): 53 [Cat.]; DISTRIBUTION: Scandinavia, Russia (Metcalf Cat.)
Idiocerus crataegi Van Duzee: Idiocerus crataegi Van Duzee 1890a: 110 [n.sp.]; Metcalf 1966d, 6(16): 54 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus cuneiformis Naudé: Idiocerus cuneiformis Naudé 1926a: 16 [n.sp.]; Metcalf 1966d, 6(16): 55 [Cat.]; DISTRIBUTION: South Africa (Metcalf Cat.)
Idiocerus cupido Kirkaldy: Idiocerus cupido Kirkaldy 1907d: 34 [n.sp.]; Metcalf 1966d, 6(16): 55 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus cupreus (Walker): Bythoscopus cupreus Walker 1851b: 871 [n.sp.]; Metcalf 1966d, 6(16): 55 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus cupreus lineolatus Ribaut: Idiocerus cupreus lineolatus Ribaut 1952a: 380 [n.subsp. of cupreus]; Metcalf 1966d, 6(16): 56 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Idiocerus decimaquartus (Schrank): Cicada decimaquarta Schrank 1776a: 76 [n.sp.]; Metcalf 1966d, 6(16): 56 [Cat.]; Bythoscopus crenatus Herrich-Schaeffer 1835b: pl.10 [n.sp.]; Metcalf 1966d, 6(16): 56 [Cat.]; Bythoscopus scurra Herrich-Schaeffer 1835b: pl.11 [n.sp.]; Metcalf 1966d, 6(16): 56 [Cat.]; Idiocerus germari Fieber 1868a: 451 [n.sp.]; Metcalf 1966d, 6(16): 57 [Cat.]; Idiocerus gemmisimulans Leonard & Crosby 1915a: 541-547 [n.sp.]; Metcalf 1966d, 6(16): 60 [Cat.]; DISTRIBUTION: Widespread Europe, Western Mediterranean, Russia, Caspian Sea region, United States, Canada (Metcalf Cat.)
Idiocerus decimaquartus fulvus Rey: Idiocerus decimaquartus fulvus Rey 1894b: 30 [n.subsp. of scurra]; Metcalf 1966d, 6(16): 64 [Cat.]; DISTRIBUTION: France, Netherlands (Metcalf Cat.)
Idiocerus dimidiatus Ribaut: Idiocerus dimidiatus Ribaut 1952a: 376 [n.sp.]; Metcalf 1966d, 6(16): 64 [Cat.]; DISTRIBUTION: France, Morocco, Italy (Metcalf Cat.)
Idiocerus distinctus Gillette & Baker: Idiocerus distinctus Gillette & Baker 1895a: 75 [n.sp.]; Metcalf 1966d, 6(16): 64 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus divisus Evans: Idiocerus divisus Evans 1935c: 80 [n.sp.]; Metcalf 1966d, 6(16): 65 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus dolosus Ball: Idiocerus dolosus Ball 1902e: 304 [n.sp.]; Metcalf 1966d, 6(16): 65 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus downesi Ball & Parker: Idiocerus downesi Ball & Parker 1946a: 74 [n.sp.]; Metcalf 1966d, 6(16): 65 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus duzeei Provancher: Idiocerus duzeei Provancher 1889a: 289 [n.sp.]; Metcalf 1966d, 6(16): 66 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus eburneomaculatus Osborn: Idiocerus eburneomaculatus Osborn 1924b: 391 [n.sp.]; Metcalf 1966d, 6(16): 67 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus elegans Flor: Idiocerus elegans Flor 1861a: 174 [n.sp.]; Metcalf 1966d, 6(16): 67 [Cat.]; Idiocerus viduatus Edwards 1886a: 118 [n.sp.]; Metcalf 1966d, 6(16): 68 [Cat.]; Idiocerus frontalis Melichar 1896a: 160 [n.sp.]; Metcalf 1966d, 6(16): 69 [Cat.]; DISTRIBUTION: Widespread Scandinavia, Russia, Europe, Western Mediterranean (Metcalf Cat.)
Idiocerus ensiger Ball: Idiocerus ensiger Ball 1902e: 308 [n.sp.]; Metcalf 1966d, 6(16): 72 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus erythrophthalmus (Schrank): Cicada erythrophthalma Schrank 1776a: 77 [n.sp.]; Metcalf 1966d, 6(16): 72 [Cat.]; DISTRIBUTION: Austria (Metcalf Cat.)
Idiocerus exquisitus Osborn: Idiocerus exquisitus Osborn 1924b: 394 [n.sp.]; Metcalf 1966d, 6(16): 73 [Cat.]; DISTRIBUTION: Bolivia (Metcalf Cat.)
Idiocerus fasciatus Fieber: Idiocerus fasciatus Fieber 1868a: 455 [n.sp.]; Metcalf 1966d, 6(16): 73 [Cat.]; Idiocerus brunneipennis Matsumura 1908a: 45 [n.sp.]; Metcalf 1966d, 6(16): 73 [Cat.]; DISTRIBUTION: Austria, Germany, France, Belgium, Czech Republic, Hungary, Spain, Netherlands (Metcalf Cat.)
Idiocerus fasciolatus Distant: Idiocerus fasciolatus Distant 1908g: 186 [n.sp.]; Metcalf 1966d, 6(16): 74 [Cat.]; DISTRIBUTION: Myanmar (Metcalf Cat.)
Idiocerus femoratus Ball: Idiocerus femoratus Ball 1902e: 307 [n.sp.]; Metcalf 1966d, 6(16): 74 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus figuratus Osborn: Idiocerus figuratus Osborn 1924b: 394 [n.sp.]; Metcalf 1966d, 6(16): 75 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus fitchi Van Duzee: Idiocerus maculipennis Fitch 1851a: 59 [n.sp.]; Metcalf 1966d, 6(16): 75 [Cat.]; Idiocerus fitchi Van Duzee 1909c: 383 [nom.nov. for Idiocerus maculipennis Fitch 1851]; Metcalf 1966d, 6(16): 75 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus flammeus Osborn: Idiocerus flammeus Osborn 1924b: 394 [n.sp.]; Metcalf 1966d, 6(16): 77 [Cat.]; DISTRIBUTION: Bolivia (Metcalf Cat.)
Idiocerus flavidus Osborn: Idiocerus flavidus Osborn 1923b: 14 [n.sp.]; Metcalf 1966d, 6(16): 77 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus flavotinctus Osborn: Idiocerus flavotinctus Osborn 1924b: 393 [n.sp.]; Metcalf 1966d, 6(16): 77 [Cat.]; DISTRIBUTION: French Guiana (Metcalf Cat.)
Idiocerus flindersi Evans: Idiocerus flindersi Evans 1941e: 37 [n.sp.]; Metcalf 1966d, 6(16): 77 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus formosanus Matsumura: Idiocerus formosanus Matsumura 1912b: 322 [n.sp.]; Metcalf 1966d, 6(16): 77 [Cat.]; DISTRIBUTION: Taiwan (Metcalf Cat.)
Idiocerus formosus Ball: Idiocerus formosus Ball 1902e: 305 [n.sp.]; Metcalf 1966d, 6(16): 78 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus friscanus Ball & Parker: Idiocerus friscanus Ball & Parker 1946a: 74 [n.sp.]; Metcalf 1966d, 6(16): 78 [Cat.]; DISTRIBUTION: United States, Mexico (Metcalf Cat.)
Idiocerus fucatus Evans: Idiocerus fucatus Evans 1941f: 150 [n.sp.]; Metcalf 1966d, 6(16): 85 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus fuchsii Kirschbaum: Idiocerus fuchsii Kirschbaum 1868b: 164 [n.sp.]; Metcalf 1966d, 6(16): 78 [Cat.]; DISTRIBUTION: Switzerland, Germany, Denmark, Netherlands (Metcalf Cat.)
Idiocerus fulgidus (Fabricius): Cicada fulgida Fabricius 1775a: 687 [n.sp.]; Metcalf 1966d, 6(16): 79 [Cat.]; Bythoscopus nitidissimus Herrich-Schaeffer 1835a: 68 [n.sp.]; Metcalf 1966d, 6(16): 79 [Cat.]; Idiocerus minkii Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 80 [Cat.]; Idiocerus ochroleucus Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 80 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Scandanvia, Russia (Metcalf Cat.)
Idiocerus fulvotinctus Osborn: Idiocerus fulvotinctus Osborn 1924b: 395 [n.sp.]; Metcalf 1966d, 6(16): 85 [Cat.]; DISTRIBUTION: Bolivia (Metcalf Cat.)
Idiocerus fulvus Osborn: Idiocerus fulvus Osborn 1923b: 17 [n.sp.]; Metcalf 1966d, 6(16): 85 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus funereus Melichar: Idiocerus funereus Melichar 1911a: 111 [n.sp.]; Metcalf 1966d, 6(16): 85 [Cat.]; DISTRIBUTION: Kenya, Uganda, Tanzania (Metcalf Cat.)
Idiocerus geoffroyi Distant: Idiocerus geoffroyi Distant 1908e: 99 [n.sp.]; Metcalf 1966d, 6(16): 85 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus harimensis Matsumura: Idiocerus harimensis Matsumura 1912b: 321 [n.sp.]; Metcalf 1966d, 6(16): 86 [Cat.]; DISTRIBUTION: Japan (Metcalf Cat.)
Idiocerus haupti Melichar: Idiocerus haupti Melichar 1908a: 65-66 [n.sp.]; Metcalf 1966d, 6(16): 86 [Cat.]; DISTRIBUTION: Tanzania (Metcalf Cat.)
Idiocerus hebetus DeLong & Hershberger: Idiocerus hebetus DeLong & Hershberger 1947a: 48 [n.sp.]; Metcalf 1966d, 6(16): 86 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus herrichii Kirschbaum: Idiocerus herrichii Kirschbaum 1868a: 7 [n.sp.]; Metcalf 1966d, 6(16): 86 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Western Mediterranean, Russia, United States (Metcalf Cat.)
Idiocerus hewitti Cogan: Idiocerus hewitti Cogan 1916a: 180 [n.sp.]; Metcalf 1966d, 6(16): 89 [Cat.]; DISTRIBUTION: South Africa (Metcalf Cat.)
Idiocerus heydenii Kirschbaum: Idiocerus heydenii Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 89 [Cat.]; Idiocerus maculatus Melichar 1896a: 156 [n.sp.]; Metcalf 1966d, 6(16): 90 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Western Mediterranean, Russia, United States (Metcalf Cat.)
Idiocerus huachucae Ball & Parker: Idiocerus huachucae Ball & Parker 1946a: 80 [n.sp.]; Metcalf 1966d, 6(16): 91 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus humilis Horváth: Idiocerus humilis Horváth 1897b: 625 [n.sp.]; Metcalf 1966d, 6(16): 91 [Cat.]; DISTRIBUTION: Hungary (Metcalf Cat.)
Idiocerus hyalinus Osborn: Idiocerus hyalinus Osborn 1923b: 15 [n.sp.]; Metcalf 1966d, 6(16): 92 [Cat.]; DISTRIBUTION: Bolivia, Brazil (Metcalf Cat.)
Idiocerus hyleorais Kirkaldy: Idiocerus hyleorais Kirkaldy 1907d: 34 [n.sp.]; Metcalf 1966d, 6(16): 92 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus ikumae Matsumura: Idriocerus [sic] ikumae Matsumura 1911b: 24 [n.sp.]; Metcalf 1966d, 6(16): 92 [Cat.]; DISTRIBUTION: Eastern Russia (Metcalf Cat.)
Idiocerus impressifrons Kirschbaum: Idiocerus impressifrons Kirschbaum 1868a: 14 [n.sp.]; Metcalf 1966d, 6(16): 92 [Cat.]; Idiocerus signatus Fieber 1868a: 453 [n.sp.]; Metcalf 1966d, 6(16): 92 [Cat.]; DISTRIBUTION: Germany, Switzerland, Austria, France, Belgium, Czech Republic, Poland, Denmark, Netherlands (Metcalf Cat.)
Idiocerus incertus Baker: Idiocerus maculatus Distant 1912e: 605 [n.sp.]; Metcalf 1966d, 6(16): 94 [Cat.]; Idiocerus incertus Baker 1924d: 367 [nom.nov. for Idiocerus maculatus Distant 1912]; Metcalf 1966d, 6(16): 94 [Cat.]; DISTRIBUTION: India, Pakistan, East Indonesia (Metcalf Cat.)
Idiocerus incomptus DeLong & Hershberger: Idiocerus incomptus DeLong & Hershberger 1947a: 45 [n.sp.]; Metcalf 1966d, 6(16): 94 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus inconsequens Evans: Idiocerus inconsequens Evans 1935c: 80 [n.sp.]; Metcalf 1966d, 6(16): 94 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus ineffectus (Walker): Bythoscopus ineffectus Walker 1858b: 266 [n.sp.]; Metcalf 1966d, 6(16): 94 [Cat.]; DISTRIBUTION: China (Metcalf Cat.)
Idiocerus insularis Evans: Idiocerus insularis Evans 1941e: 37 [n.sp.]; Metcalf 1966d, 6(16): 95 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus intricatus Osborn: Idiocerus intricatus Osborn 1923b: 18 [n.sp.]; Metcalf 1966d, 6(16): 95 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus ipo Kirkaldy: Idiocerus ipo Kirkaldy 1906c: 466 [n.sp.]; Metcalf 1966d, 6(16): 95 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus ishiyamae Matsumura: Idiocerus ishiyamae Matsumura 1905a: 67 [n.sp.]; Metcalf 1966d, 6(16): 95 [Cat.]; DISTRIBUTION: Japan (Metcalf Cat.)
Idiocerus katoi Metcalf: Idiocerus quadripunctatus Kato 1933c: 8 [n.sp.]; Metcalf 1966d, 6(16): 96 [Cat.]; Idiocerus katoi Metcalf 1966d: 96 [nom.nov. for Idiocerus quadripunctatus Kato 1933]; Metcalf 1966d, 6(16): 96 [Cat.]; DISTRIBUTION: China (Metcalf Cat.)
Idiocerus kirkaldyi Evans: Idiocerus kirkaldyi Evans 1935c: 79 [n.sp.]; Metcalf 1966d, 6(16): 96 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus kirschbaumi Baker: Idiocerus aurulentus Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 97 [Cat.]; Idiocerus cupreus Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 96 [Cat.]; Idiocerus decipiens Kirschbaum 1868b: 158 [n.sp.]; Metcalf 1966d, 6(16): 96 [Cat.]; Idiocerus kirschbaumi Baker 1924d: 367 [nom.nov. for Idiocerus cupreus Kirschbaum 1868]; Metcalf 1966d, 6(16): 96 [Cat.]; DISTRIBUTION: Widespread Europe, Western Mediterranean, Russia, Balkan region, Scandinavia (Metcalf Cat.)
Idiocerus kisseis Kirkaldy: Idiocerus kisseis Kirkaldy 1907d: 32 [n.sp.]; Metcalf 1966d, 6(16): 100 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus koreanus Matsumura: Idiocerus koreanus Matsumura 1915a: 173 [n.sp.]; Metcalf 1966d, 6(16): 100 [Cat.]; DISTRIBUTION: Korea, Japan (Metcalf Cat.)
Idiocerus lachrymalis Fitch: Idiocerus lachrymalis Fitch 1851a: 58 [n.sp.]; Metcalf 1966d, 6(16): 100 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus lacustris Evans: Idiocerus lacustris Evans 1942a: 28 [n.sp.]; Metcalf 1966d, 6(16): 103 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus lambertiei Melichar: Idiocerus lambertiei Melichar 1913b: 15 [n.sp.]; Metcalf 1966d, 6(16): 103 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Idiocerus laminatus Flor: Idiocerus laminatus Flor 1861a: 171 [n.sp.]; Metcalf 1966d, 6(16): 103 [Cat.]; DISTRIBUTION: Widespread Great Britain, Europe, Western Mediterranean, Russia (Metcalf Cat.)
Idiocerus laribaeus Bliven: Idiocerus laribaeus Bliven 1954a: 116 [n.sp.]; Metcalf 1966d, 6(16): 107 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus larvatus (Herrich-Schaeffer): Cicada exaltata Fabricius 1803a: 78 [n.sp.]; Metcalf 1966d, 6(16): 107 [Cat.]; Cicada notata Fabricius 1803a: 5 [nom.nov. for Cicada exaltata Fabricius 1803]; Metcalf 1966d, 6(16): 107 [Cat.]; Bythoscopus larvatus Herrich-Schaeffer 1835a: 69 [n.sp.]; Metcalf 1966d, 6(16): 107 [Cat.]; DISTRIBUTION: Widespread Europe, Scandinavia, Western Mediterranean (Metcalf Cat.)
Idiocerus laticeps (Walker): Iassus laticeps Walker 1870b: 323 [n.sp.]; Metcalf 1966d, 6(16): 110 [Cat.]; DISTRIBUTION: West Indonesia (Metcalf Cat.)
Idiocerus latifrons Matsumura: Idiocerus latifrons Matsumura 1908a: 45 [n.sp.]; Metcalf 1966d, 6(16): 111 [Cat.]; DISTRIBUTION: Hungary (Metcalf Cat.)
Idiocerus lesmurdiensis Evans: Idiocerus lesmurdiensis Evans 1935c: 80 [n.sp.]; Metcalf 1966d, 6(16): 111 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus leurensis Evans: Idiocerus leurensis Evans 1934a: 167 [n.sp.]; Metcalf 1966d, 6(16): 111 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus levis DeLong & Caldwell: Idiocerus levis DeLong & Caldwell 1937b: 161 [n.sp.]; Metcalf 1966d, 6(16): 111 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus lindbergi Metcalf: Idiocerus suturalis Lindberg 1929b: 3 [n.sp.]; Metcalf 1966d, 6(16): 111 [Cat.]; Idiocerus lindbergi Metcalf 1966d: 111 [nom.nov. for Idiocerus suturalis Lindberg 1929]; Metcalf 1966d, 6(16): 111 [Cat.]; DISTRIBUTION: Eastern Russia (Metcalf Cat.)
Idiocerus lituratus (Fallen): Jassus lituratus Fallén 1806b: 117 [n.sp.]; Metcalf 1966d, 6(16): 111 [Cat.]; Iassus dorsiger Peletier & Serville 1825a: 613 [n.sp.]; Metcalf 1966d, 6(16): 112 [Cat.]; Iassus lineolatus Peletier & Serville 1825a: 613 [n.sp.]; Metcalf 1966d, 6(16): 112 [Cat.]; Idiocerus maculipennis Curtis 1839a: pl.733 [n.sp.]; Metcalf 1966d, 6(16): 112 [Cat.]; DISTRIBUTION: Widespread Europe, Scandinavia, United Kingdom, Western Mediterranean, Baltic region, United States (Metcalf Cat.)
Idiocerus lituratus rubrifrons Rey: Idiocerus lituratus rubrifrons Rey 1894b: 30 [n.subsp. of lituratus]; Metcalf 1966d, 6(16): 121 [Cat.]; DISTRIBUTION: France, Netherlands, Germany (Metcalf Cat.)
Idiocerus luteus Evans: Idiocerus luteus Evans 1941f: 150 [n.sp.]; Metcalf 1966d, 6(16): 121 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus macropensis Evans: Idiocerus macropensis Evans 1941e: 37 [n.sp.]; Metcalf 1966d, 6(16): 121 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus maculicollis (Curtis): Iassus maculicollis Curtis 1839a: pl.733 [n.sp.]; Metcalf 1966d, 6(16): 121 [Cat.]; DISTRIBUTION: Great Britain (Metcalf Cat.)
Idiocerus maculifrons Osborn: Idiocerus maculifrons Osborn 1923b: 14 [n.sp.]; Metcalf 1966d, 6(16): 122 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus madagascariensis Evans: Idiocerus madagascariensis Evans 1954a: 106 [n.sp.]; Metcalf 1966d, 6(16): 122 [Cat.]; DISTRIBUTION: Madagascar (Metcalf Cat.)
Idiocerus maintiranus Evans: Idiocerus maintiranus Evans 1954a: 107 [n.sp.]; Metcalf 1966d, 6(16): 122 [Cat.]; DISTRIBUTION: Madagascar (Metcalf Cat.)
Idiocerus maricensis Caldwell: Idiocerus maricensis Caldwell 1952 [in Caldwell & Martorell 1952a: 25] [n.sp.]; Metcalf 1966d, 6(16): 122 [Cat.]; DISTRIBUTION: Puerto Rico (Metcalf Cat.)
Idiocerus marmoratus Horváth: Idiocerus marmoratus Horváth 1894a: 185 [n.sp.]; Metcalf 1966d, 6(16): 122 [Cat.]; DISTRIBUTION: Russia, Armenia, Azerbaijan, Georgia (Metcalf Cat.)
Idiocerus mesopyrrhus Kirschbaum: Idiocerus mesopyrrhus Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 122 [Cat.]; DISTRIBUTION: Italy, Russia, France, Portugal, Spain, Switzerland, Greece, Croatia (Metcalf Cat.)
Idiocerus mesopyrrhus socialis Fieber: Idiocerus mesopyrrhus socialis Fieber 1868a: 456 [n.sp.]; Metcalf 1966d, 6(16): 123 [Cat.]; DISTRIBUTION: France, Greece, Germany, Austria, Spain, Italy, Russia, Portugal, Belgium, Switzerland, Great Britain (Metcalf Cat.)
Idiocerus mesopyrrhus variegatus Ribaut: Idiocerus mesopyrrhus variegata Ribaut 1952a: 381 [n.subsp. of mesopyrrhus]; Metcalf 1966d, 6(16): 125 [Cat.]; DISTRIBUTION: France (Metcalf Cat.)
Idiocerus mexicanus Osborn & Ball: Idiocerus mexicanus Osborn & Ball 1898c: 126 [n.sp.]; Metcalf 1966d, 6(16): 125 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiocerus mimicus Gillette & Baker: Idiocerus mimicus Gillette & Baker 1895a: 76 [n.sp.]; Metcalf 1966d, 6(16): 125 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus minutus Osborn: Idiocerus minutus Osborn 1923b: 16 [n.sp.]; Metcalf 1966d, 6(16): 126 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus moniliferae Osborn & Ball: Idiocerus moniliferae Osborn & Ball 1898e: 71 [n.sp.]; Metcalf 1966d, 6(16): 126 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus morosus Ball: Idiocerus morosus Ball 1902e: 309 [n.sp.]; Metcalf 1966d, 6(16): 127 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus musteus Ball: Idiocerus musteus Ball 1902e: 308 [n.sp.]; Metcalf 1966d, 6(16): 127 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus myrciae Caldwell: Idiocerus myrciae Caldwell 1952 [in Caldwell & Martorell 1952a: 26] [n.sp.]; Metcalf 1966d, 6(16): 127 [Cat.]; DISTRIBUTION: Puerto Rico (Metcalf Cat.)
Idiocerus nagpurensis Singh-Pruthi: Idiocerus nagpurensis Singh-Pruthi 1930a: 17 [n.sp.]; Metcalf 1966d, 6(16): 127 [Cat.]; DISTRIBUTION: India (Metcalf Cat.)
Idiocerus napais Kirkaldy: Idiocerus napais Kirkaldy 1907d: 34 [n.sp.]; Metcalf 1966d, 6(16): 128 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus nereias Kirkaldy: Idiocerus nereias Kirkaldy 1907d: 34 [n.sp.]; Metcalf 1966d, 6(16): 128 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus nervatus Van Duzee: Idiocerus nervatus Van Duzee 1894f: 205 [n.sp.]; Metcalf 1966d, 6(16): 128 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus nigrens DeLong & Caldwell: Idiocerus nigrens DeLong & Caldwell 1937b: 163 [n.sp.]; Metcalf 1966d, 6(16): 130 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus nigripectus Matsumura: Idiocerus nigripectus Matsumura 1911b: 24 [n.sp.]; Metcalf 1966d, 6(16): 130 [Cat.]; DISTRIBUTION: Russia, Japan (Metcalf Cat.)
Idiocerus nigronervosus Kato: Idiocerus nigronervosus Kato 1932b: 225 [n.sp.]; Metcalf 1966d, 6(16): 131 [Cat.]; DISTRIBUTION: China, Japan (Metcalf Cat.)
Idiocerus nitidulus (Walker): Iassus nitidulus Walker 1870b: 322 [n.sp.]; Metcalf 1966d, 6(16): 131 [Cat.]; DISTRIBUTION: Malaysia, East Indonesia: Mysol (Misool Island?) (Metcalf Cat.)
Idiocerus nobilis Fieber: Idiocerus nobilis Fieber 1868a: 452 [n.sp.]; Metcalf 1966d, 6(16): 131 [Cat.]; DISTRIBUTION: Austria, Russia, Germany, Hungary, Turkey, Italy, Aremnia, Ukraine, Kazakhstan, Kirghizia, Tadzhikistan, Turkmenistan, Uzbekistan (Metcalf Cat.)
Idiocerus nogalinus Ball & Parker: Idiocerus nogalinus Ball & Parker 1946a: 80 [n.sp.]; Metcalf 1966d, 6(16): 132 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus nymphias Kirkaldy: Idiocerus nymphias Kirkaldy 1907d: 33 [n.sp.]; Metcalf 1966d, 6(16): 132 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus obispanus Ball & Parker: Idiocerus obispanus Ball & Parker 1946a: 81 [n.sp.]; Metcalf 1966d, 6(16): 132 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus obstinatus Ball: Idiocerus obstinatus Ball 1902e: 310 [n.sp.]; Metcalf 1966d, 6(16): 133 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus occipitalis Osborn: Idiocerus occipitalis Osborn 1924b: 390 [n.sp.]; Metcalf 1966d, 6(16): 133 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus ocellatus Osborn: Idiocerus ocellatus Osborn 1923b: 20 [n.sp.]; Metcalf 1966d, 6(16): 133 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus ocularis (Mulsant & Rey): Bythoscopus ocularis Mulsant & Rey 1855a: 220 [n.sp.]; Metcalf 1966d, 6(16): 133 [Cat.]; Idiocerus taeniops Fieber 1868a: 454 [n.sp.]; Metcalf 1966d, 6(16): 133 [Cat.]; DISTRIBUTION: France, Spain, Italy, Tunisia, Portugal, Algeria, Croatia, Netherlands, Cyprus (Metcalf Cat.)
Idiocerus oreias Kirkaldy: Idiocerus oreias Kirkaldy 1907d: 33 [n.sp.]; Metcalf 1966d, 6(16): 134 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus orodemnias Kirkaldy: Idiocerus orodemnias Kirkaldy 1907d: 33 [n.sp.]; Metcalf 1966d, 6(16): 135 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus osborni Metcalf: Idiocerus rotundifrons Osborn 1923b: 15 [n.sp.]; Metcalf 1966d, 6(16): 135 [Cat.]; Idiocerus osborni Metcalf 1966d: 135 [nom.nov. for Idiocerus rotundifrons Osborn 1923]; Metcalf 1966d, 6(16): 135 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus pacificus Ball & Parker: Idiocerus pacificus Ball & Parker 1946a: 81 [n.sp.]; Metcalf 1966d, 6(16): 135 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus palawanensis (Baker): Idioscopus palawanensis Baker 1915c: 338 [n.sp.]; Metcalf 1966d, 6(16): 135 [Cat.]; DISTRIBUTION: Philippines (Metcalf Cat.)
Idiocerus pallidus Fitch: Bythoscopus obsoletus Walker 1851b: 873 [n.sp.]; Metcalf 1966d, 6(16): 135 [Cat.]; Idiocerus pallidus Fitch 1851a: 69 [n.sp.]; Metcalf 1966d, 6(16): 135 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus parvulus Osborn: Idiocerus parvulus Osborn 1935a: 132 [n.sp.]; Metcalf 1966d, 6(16): 139 [Cat.]; DISTRIBUTION: Puerto Rico (Metcalf Cat.)
Idiocerus poecilus (Herrich-Schaeffer): Bythoscopus poecilus Herrich-Schaeffer 1835a: 69 [n.sp.]; Metcalf 1966d, 6(16): 139 [Cat.]; Bythoscopus (Jassus) falcifer Boheman 1845b: 161 [n.sp.]; Metcalf 1966d, 6(16): 139 [Cat.]; Idiocerus discolor Flor 1861a: 164 [n.sp.]; Metcalf 1966d, 6(16): 139 [Cat.]; Idiocerus venustus Scott 1874c: 239 [n.sp.]; Metcalf 1966d, 6(16): 140 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Russia, Baltic region, Western Mediterranean (Metcalf Cat.)
Idiocerus populi (Linnaeus): Cicada coryli Linnaeus 1761a: 243 [n.sp.]; Metcalf 1966d, 6(16): 144 [Cat.]; Cicada populi Linnaeus 1761a: 242 [n.sp.]; Metcalf 1966d, 6(16): 144 [Cat.]; Cicada biguttata Fabricius 1794a: 43 [n.sp.]; Metcalf 1966d, 6(16): 145 [Cat.]; Jassus stigma Germar 1821a: 84 [n.sp.]; Metcalf 1966d, 6(16): 145 [Cat.]; Iassus margarita Peletier & Serville 1825a: 612 [n.sp.]; Metcalf 1966d, 6(16): 145 [Cat.]; Idiocerus effulgens Curtis 1839a: pl.733 [n.sp.]; Metcalf 1966d, 6(16): 147 [Cat.]; Idiocerus sulphureus Curtis 1839a: pl.733 [n.sp.]; Metcalf 1966d, 6(16): 147 [Cat.]; Idiocerus aeneus Curtis 1839a: pl.733 [n.sp.]; Metcalf 1966d, 6(16): 147 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Russia, Baltic region, Japan, Western Mediterranean, Northern Africa (Metcalf Cat.)
Idiocerus principensis Osborn: Idiocerus principensis Osborn 1924b: 393 [n.sp.]; Metcalf 1966d, 6(16): 158 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus productus Gillette & Baker: Idiocerus productus Gillette & Baker 1895a: 78 [n.sp.]; Metcalf 1966d, 6(16): 158 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus prolixus Horváth: Idiocerus prolixus Horváth 1894a: 186 [n.sp.]; Metcalf 1966d, 6(16): 159 [Cat.]; DISTRIBUTION: Armenia, Russia, Georgia, Azerbaijan (Metcalf Cat.)
Idiocerus provancheri Van Duzee: Idiocerus provancheri Van Duzee 1890a: 111 [n.sp.,not nom.nov.]; Metcalf 1966d, 6(16): 159 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus pruni Ribaut: Idiocerus pruni Ribaut 1952a: 378 [n.sp.]; Metcalf 1966d, 6(16): 161 [Cat.]; DISTRIBUTION: France, Bulgaria (Metcalf Cat.)
Idiocerus pyramidatus DeLong & Caldwell: Idiocerus pyramidatus DeLong & Caldwell 1937b: 162 [n.sp.]; Metcalf 1966d, 6(16): 161 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus quadrangularis Osborn: Idiocerus quadrangularis Osborn 1923b: 13 [n.sp.]; Metcalf 1966d, 6(16): 162 [Cat.]; DISTRIBUTION: Brazil, Bolivia (Metcalf Cat.)
Idiocerus quadripunctatus Lindberg: Idiocerus quadripunctatus Lindberg 1929a: 52 [n.sp.]; Metcalf 1966d, 6(16): 162 [Cat.]; DISTRIBUTION: Russia (Metcalf Cat.)
Idiocerus ramentosus (Uhler): Bythoscopus ramentosus Uhler 1877a: 465 [n.sp.]; Metcalf 1966d, 6(16): 162 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus renoanus Ball & Parker: Idiocerus renoanus Ball & Parker 1946a: 78 [n.sp.]; Metcalf 1966d, 6(16): 163 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus rondulus Ball & Parker: Idiocerus rondulus Ball & Parker 1946a: 73 [n.sp.]; Metcalf 1966d, 6(16): 163 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus rotundens DeLong & Caldwell: Idiocerus rotundens DeLong & Caldwell 1937b: 162 [n.sp.]; Metcalf 1966d, 6(16): 163 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus rotundifrons Kirschbaum: Idiocerus rotundifrons Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 164 [Cat.]; DISTRIBUTION: Germany, France, Italy (Metcalf Cat.)
Idiocerus rubens Evans: Idiocerus rubens Evans 1941f: 150 [n.sp.]; Metcalf 1966d, 6(16): 165 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus rufus Gillette & Baker: Idiocerus rufus Gillette & Baker 1895a: 80 [n.sp.]; Metcalf 1966d, 6(16): 165 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus rufus cingulatus Ball: Idiocerus rufus cingulatus Ball 1902e: 312 [n.subsp. of rufus]; Metcalf 1966d, 6(16): 165 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus rugifrons Osborn: Idiocerus rugifrons Osborn 1924b: 396 [n.sp.]; Metcalf 1966d, 6(16): 166 [Cat.]; DISTRIBUTION: Guyana (Metcalf Cat.)
Idiocerus rutilans Kirschbaum: Idiocerus rutilans Kirschbaum 1868a: 14 [n.sp.]; Metcalf 1966d, 6(16): 166 [Cat.]; DISTRIBUTION: Germany, Poland, France, Austria, Great Britain, Czech Republic, Italy (Metcalf Cat.)
Idiocerus salgiris Kusnezov: Idiocerus salgiris Kusnezov 1927c: 222 [n.sp.]; Metcalf 1966d, 6(16): 167 [Cat.]; DISTRIBUTION: Ukraine, Kazakhstan, Kirghizia, Tadzhikistan, Turkmenistan, Uzbekistan (Metcalf Cat.)
Idiocerus salicicola Flor: Idiocerus salicicola Flor 1861a: 163 [n.sp.]; Metcalf 1966d, 6(16): 167 [Cat.]; DISTRIBUTION: Estonia, Latvia, Scandinavia, Germany, France, Russia, Romania, Belgium, Hungary, Kazakhstan, Kirghizia, Tadzhikistan, Turkmenistan, Uzbekistan, Turkey (Metcalf Cat.)
Idiocerus scotti Distant: Idiocerus scotti Distant 1917a: 307 [n.sp.]; Metcalf 1966d, 6(16): 168 [Cat.]; DISTRIBUTION: Indian Ocean: Seychelles Islands (Metcalf Cat.)
Idiocerus scutellatus Distant: Idiocerus scutellatus Distant 1908g: 187 [n.sp.]; Metcalf 1966d, 6(16): 168 [Cat.]; DISTRIBUTION: India (Metcalf Cat.)
Idiocerus seckeri Evans: Idiocerus seckeri Evans 1935c: 79 [n.sp.]; Metcalf 1966d, 6(16): 168 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus shivelyanus Bliven: Idiocerus shivelyanus Bliven 1954a: 114 [n.sp.]; Metcalf 1966d, 6(16): 169 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus similis Kirschbaum: Idiocerus similis Kirschbaum 1868b: 154 [n.sp.]; Metcalf 1966d, 6(16): 169 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Western Mediterranean, Northern Africa, Russia, Baltic region (Metcalf Cat.)
Idiocerus smithii Baker: Idiocerus fasciatus Osborn 1923b: 19 [n.sp.]; Metcalf 1966d, 6(16): 175 [Cat.]; Idiocerus smithii Baker 1923b: 531 [nom.nov. for Idiocerus fasciatus Osborn 1923]; Metcalf 1966d, 6(16): 175 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus snowi Gillette & Baker: Idiocerus snowi Gillette & Baker 1895a: 70 [n.sp.]; Metcalf 1966d, 6(16): 175 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus solus DeLong & Caldwell: Idiocerus solus DeLong & Caldwell 1937b: 161 [n.sp.]; Metcalf 1966d, 6(16): 177 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus stellaris DeLong & Caldwell: Idiocerus stellaris DeLong & Caldwell 1937b: 162 [n.sp.]; Metcalf 1966d, 6(16): 177 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus stigmaticalis Lewis: Idiocerus stigmaticalis Lewis 1834a: 48 [n.sp.]; Metcalf 1966d, 6(16): 177 [Cat.]; Bythoscopus adustus Herrich-Schaeffer 1837a: 9 [n.sp.]; Metcalf 1966d, 6(16): 177 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Western Mediterranean, Baltic region, United States (Metcalf Cat.)
Idiocerus striolus Fieber: Idiocerus striola Fieber 1868a: 453 [n.sp.]; Metcalf 1966d, 6(16): 184 [Cat.]; DISTRIBUTION: Europe (?), Russia, United States (Metcalf Cat.)
Idiocerus subnitens Sanders & DeLong: Idiocerus subnitens Sanders & DeLong 1917a: 82 [n.sp.]; Metcalf 1966d, 6(16): 184 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus subopacus Motschulsky: Idiocerus subopacus Motschulsky 1859b: 110 [n.sp.]; Metcalf 1966d, 6(16): 184 [Cat.]; DISTRIBUTION: Sri Lanka (Metcalf Cat.)
Idiocerus suturalis Fitch: Idiocerus suturalis Fitch 1851a: 59 [n.sp.]; Metcalf 1966d, 6(16): 185, 188 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus suturalis continuus Ball: Idiocerus suturalis continuus Ball 1902e: 312 [n.subsp. of suturalis]; Metcalf 1966d, 6(16): 187 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus suturalis lunaris Ball: Idiocerus suturalis lunaris Ball 1902e: 311 [n.subsp. of suturalis]; Metcalf 1966d, 6(16): 187 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus suturalis vagus Ball: Idiocerus suturalis vagus Ball 1902e: 312 [n.subsp. of suturalis]; Metcalf 1966d, 6(16): 188 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiocerus swani Evans: Idiocerus swani Evans 1941e: 37 [n.sp.]; Metcalf 1966d, 6(16): 189 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus tagalicus (Baker): Idioscopus tagalicus Baker 1915c: 338 [n.sp.]; Metcalf 1966d, 6(16): 189 [Cat.]; DISTRIBUTION: Philippines (Metcalf Cat.)
Idiocerus tahotus Ball & Parker: Idiocerus tahotus Ball & Parker 1946a: 77 [n.sp.]; Metcalf 1966d, 6(16): 189 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus tambourinus Evans: Idiocerus tambourinus Evans 1942a: 28 [n.sp.]; Metcalf 1966d, 6(16): 190 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus taxodium DeLong: Idiocerus taxodium DeLong 1924a: 63 [n.sp.]; Metcalf 1966d, 6(16): 190 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus telus DeLong & Hershberger: Idiocerus telus DeLong & Hershberger 1947a: 45 [n.sp.]; Metcalf 1966d, 6(16): 190 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus tenuens DeLong & Caldwell: Idiocerus tenuens DeLong & Caldwell 1937b: 163 [n.sp.]; Metcalf 1966d, 6(16): 190 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus tontonus Ball & Parker: Idiocerus tontonus Ball & Parker 1946a: 75 [n.sp.]; Metcalf 1966d, 6(16): 190 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus towadensis Matsumura: Idiocerus towadensis Matsumura 1912b: 321 [n.sp.]; Metcalf 1966d, 6(16): 190 [Cat.]; DISTRIBUTION: Japan (Metcalf Cat.)
Idiocerus tremulae (Estlund): Cicada tremulae Estlund 1796a: 129 [n.sp.]; Metcalf 1966d, 6(16): 190 [Cat.]; Idiocerus unifasciatus Curtis 1839a: pl.733 [n.sp.]; Metcalf 1966d, 6(16): 191 [Cat.]; Idiocerus fallenii Kirschbaum 1868b: 161 [n.sp.]; Metcalf 1966d, 6(16): 191 [Cat.]; DISTRIBUTION: Widespread Europe, Scandinavia, Russia, Western Mediterranean, Baltic region (Metcalf Cat.)
Idiocerus trifasciatus (Kirschbaum): Bythoscopus trifasciatus Kirschbaum 1868b: 167 [n.sp.]; Metcalf 1966d, 6(16): 195 [Cat.]; DISTRIBUTION: Russia, Mongolia, Armenia, Azerbaijan, Georgia, Lebanon, Syria (Metcalf Cat.)
Idiocerus tumidulus Osborn: Idiocerus tumidulus Osborn 1923b: 16 [n.sp.]; Metcalf 1966d, 6(16): 196 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus tutuilanus Osborn: Idiocerus tutuilanus Osborn 1934a: 170 [n.sp.]; Metcalf 1966d, 6(16): 196 [Cat.]; DISTRIBUTION: Oceania: Samoa Islands (Metcalf Cat.)
Idiocerus urakawensis Matsumura: Idiocerus urakawensis Matsumura 1912b: 319 [n.sp.]; Metcalf 1966d, 6(16): 196 [Cat.]; DISTRIBUTION: Japan (Metcalf Cat.)
Idiocerus ustulatus (Mulsant & Rey): Cercopis viridis Schrank 1801a: 57 [n.sp.]; Metcalf 1966d, 6(16): 196 [Cat.]; Bythoscopus ustulatus Mulsant & Rey 1855a: 217 [n.sp.]; Metcalf 1966d, 6(16): 196 [Cat.]; Idiocerus prasinus Kirschbaum 1868a: 5 [n.sp.]; Metcalf 1966d, 6(16): 197 [Cat.]; DISTRIBUTION: Widespread Europe, Western Mediterranean, Baltic region, Northern Africa (Metcalf Cat.)
Idiocerus ustulatus salicetorum (Mulsant & Rey): Bythoscopus ustulatus salicetorum Mulsant & Rey 1855a: 220 [n.sp.]; Metcalf 1966d, 6(16): 200 [Cat.]; DISTRIBUTION: France, Germany (Metcalf Cat.)
Idiocerus utahnus Ball & Parker: Idiocerus utahnus Ball & Parker 1946a: 78 [n.sp.]; Metcalf 1966d, 6(16): 200 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus varius DeLong & Hershberger: Idiocerus varius DeLong & Hershberger 1947a: 46 [n.sp.]; Metcalf 1966d, 6(16): 200 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus verrucosus Ball: Idiocerus verrucosus Ball 1902e: 309 [n.sp.]; Metcalf 1966d, 6(16): 200 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus vicinus Melichar: Idiocerus vicinus Melichar 1898a: 66 [n.sp.]; Metcalf 1966d, 6(16): 201 [Cat.]; DISTRIBUTION: Spain, Portugal, France, Austria, Italy (Metcalf Cat.)
Idiocerus viridicatus Osborn: Idiocerus viridicatus Osborn 1923b: 20 [n.sp.]; Metcalf 1966d, 6(16): 201 [Cat.]; DISTRIBUTION: Brazil, Bolivia (Metcalf Cat.)
Idiocerus viridiceps Evans: Idiocerus viridiceps Evans 1941f: 151 [n.sp.]; Metcalf 1966d, 6(16): 201 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus vitreus (Fabricius): Cicada vitrea Fabricius 1803a: 79 [n.sp.]; Metcalf 1966d, 6(16): 202 [Cat.]; Idiocerus auronitens Kirschbaum 1868b: 158 [n.sp.]; Metcalf 1966d, 6(16): 202 [Cat.]; Idiocerus h-album Fieber 1868a: 455 [n.sp.]; Metcalf 1966d, 6(16): 202 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Western Mediterranean (Metcalf Cat.)
Idiocerus vittatus Osborn: Idiocerus vittatus Osborn 1924b: 395 [n.sp.]; Metcalf 1966d, 6(16): 205 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiocerus vitticollis Matsumura: Idiocerus vitticollis Matsumura 1905a: 69 [n.sp.]; Metcalf 1966d, 6(16): 205 [Cat.]; DISTRIBUTION: Japan, Korea (Metcalf Cat.)
Idiocerus vittifrons Kirschbaum: Idiocerus tibialis Fieber 1868a: 452 [n.sp.]; Metcalf 1966d, 6(16): 206 [Cat.]; Idiocerus vittifrons Kirschbaum 1868b: 159 [n.sp.]; Metcalf 1966d, 6(16): 206 [Cat.]; Idiocerus affinis Fieber 1868a: 454 [n.sp.]; Metcalf 1966d, 6(16): 206 [Cat.]; DISTRIBUTION: Widespread Europe, Great Britain, Mediterranean, Russia (Metcalf Cat.)
Idiocerus vittifrons cinctus Dlabola: Idiocerus vittifrons cincta Dlabola 1954c: 234,238,239 [n.subsp. of vittifrons]; Metcalf 1966d, 6(16): 209 [Cat.]; DISTRIBUTION: Slovakia (Metcalf Cat.)
Idiocerus wiyotus Bliven: Idiocerus wiyotus Bliven 1954a: 114 [n.sp.]; Metcalf 1966d, 6(16): 209 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiocerus xantho Kirkaldy: Idiocerus xantho Kirkaldy 1907d: 33 [n.sp.]; Metcalf 1966d, 6(16): 209 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Idiocerus yanonis Matsumura: Idiocerus yanonis Matsumura 1912b: 320 [n.sp.]; Metcalf 1966d, 6(16): 209 [Cat.]; DISTRIBUTION: Japan (Metcalf Cat.)
Idiocerus yezoensis Matsumura: Idiocerus yezoensis Matsumura 1912b: 320 [n.sp.]; Metcalf 1966d, 6(16): 209 [Cat.]; DISTRIBUTION: Japan (Metcalf Cat.)
Idiodonus acus DeLong: Idiodonus acus DeLong 1946b: 20 [n.sp.]; Metcalf 1967b, 6(10b): 1286 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus albocinctus DeLong: Idiodonus albocinctus DeLong 1946b: 22 [n.sp.]; Metcalf 1967b, 6(10b): 1286 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus anademus DeLong: Idiodonus anademus DeLong 1946b: 29 [n.sp.]; Metcalf 1967b, 6(10b): 1286 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus apertus DeLong: Idiodonus apertus DeLong 1946b: 14 [n.sp.]; Metcalf 1967b, 6(10b): 1287 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus aurantiacus (Provancher): Jassus aurantiacus Provancher 1872a: 377 [n.sp.]; Metcalf 1967b, 6(10b): 1287 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiodonus bakeri DeLong: Idiodonus bakeri DeLong 1946b: 26 [n.sp.]; Metcalf 1967b, 6(10b): 1287 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus bicinctus DeLong: Idiodonus bicinctus DeLong 1946b: 18 [n.sp.]; Metcalf 1967b, 6(10b): 1287 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus brittoni (Osborn): Thamnotettix brittoni Osborn 1907a: 166 [n.sp.]; Metcalf 1967b, 6(10b): 1287 [Cat.]; DISTRIBUTION: Canada, United States (Metcalf Cat.)
Idiodonus caldwelli DeLong: Idiodonus caldwelli DeLong 1946b: 16 [n.sp.]; Metcalf 1967b, 6(10b): 1288 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus clathrus DeLong: Idiodonus clathrus DeLong 1946b: 18 [n.sp.]; Metcalf 1967b, 6(10b): 1289 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus claustrus DeLong: Idiodonus claustrus DeLong 1946b: 18 [n.sp.]; Metcalf 1967b, 6(10b): 1289 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus cockerelli (Ball): Thamnotettix cockerelli Ball 1900c: 339 [n.sp.]; Metcalf 1967b, 6(10b): 1289 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiodonus copulus DeLong: Idiodonus copulus DeLong 1946b: 16 [n.sp.]; Metcalf 1967b, 6(10b): 1290 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus cruentatus (Panzer): Cicada cruentata Panzer 1799a: 15 [n.sp.]; Metcalf 1967b, 6(10b): 1290 [Cat.]; DISTRIBUTION: Widespread Europe, United Kingdom, Scandinavia, Russia, western Mediterranean, Northern Africa, Korea (Metcalf Cat.)
Idiodonus cruentatus simulans Ribaut: Idiodonus cruentatus simulans Ribaut 1952a: 121 [n.subsp. of cruentatus]; Metcalf 1967b, 6(10b): 1297 [Cat.]; DISTRIBUTION: no data given in Metcalf Cat.
Idiodonus dampfi DeLong: Idiodonus dampfi DeLong 1946b: 20 [n.sp.]; Metcalf 1967b, 6(10b): 1297 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus delongi Ball: Idiodonus delongi Ball 1937b: 26 [n.sp.]; Metcalf 1967b, 6(10b): 1297 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiodonus diserus DeLong: Idiodonus diserus DeLong 1946b: 24 [n.sp.]; Metcalf 1967b, 6(10b): 1297 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus edentulus DeLong: Idiodonus edentulus DeLong 1946b: 25 [n.sp.]; Metcalf 1967b, 6(10b): 1298 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus excavatus DeLong: Idiodonus excavatus DeLong 1946b: 25 [n.sp.]; Metcalf 1967b, 6(10b): 1298 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus goodi DeLong: Idiodonus goodi DeLong 1946b: 27 [n.sp.]; Metcalf 1967b, 6(10b): 1298 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus heidemanni (Ball): Thamnotettix heidemanni Ball 1900c: 338 [n.sp.]; Metcalf 1967b, 6(10b): 1298 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiodonus heidemanni chinonus Ball: Idiodonus heidemanni chinonus Ball 1937b: 26 [n.subsp. of heidemanni]; Metcalf 1967b, 6(10b): 1299 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiodonus incidus DeLong: Idiodonus incidus DeLong 1946b: 29 [n.sp.]; Metcalf 1967b, 6(10b): 1299 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus insculptus DeLong: Idiodonus insculptus DeLong 1946b: 25 [n.sp.]; Metcalf 1967b, 6(10b): 1299 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus josea (Ball): Phlepsius josea Ball 1900c: 347 [n.sp.]; Metcalf 1967b, 6(10b): 1299 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiodonus latidens DeLong: Idiodonus latidens DeLong 1946b: 26 [n.sp.]; Metcalf 1967b, 6(10b): 1300 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus mexicanus DeLong: Idiodonus mexicanus DeLong 1946b: 27 [n.sp.]; Metcalf 1967b, 6(10b): 1300 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus morsei (Osborn): Thamnotettix morsei Osborn 1915a: 134 [n.sp.]; Metcalf 1967b, 6(10b): 1300 [Cat.]; DISTRIBUTION: Mexico, Canada (Metcalf Cat.)
Idiodonus nigridens DeLong: Idiodonus nigridens DeLong 1946b: 29 [n.sp.]; Metcalf 1967b, 6(10b): 1301 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus plummeri DeLong: Idiodonus plummeri DeLong 1946b: 25 [n.sp.]; Metcalf 1967b, 6(10b): 1301 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus pravus DeLong: Idiodonus pravus DeLong 1946b: 24 [n.sp.]; Metcalf 1967b, 6(10b): 1301 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus rubellus DeLong: Idiodonus rubellus DeLong 1946b: 15 [n.sp.]; Metcalf 1967b, 6(10b): 1301 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus rufescens (Osborn): Thamnotettix rufescens Osborn 1915a: 135 [n.sp.]; Metcalf 1967b, 6(10b): 1302 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idiodonus spatulatus DeLong: Idiodonus spatulatus DeLong 1946b: 15 [n.sp.]; Metcalf 1967b, 6(10b): 1302 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus subcupraeus (Provancher): Jassus subcupraeus Provancher 1872c: 377 [n.sp.]; Metcalf 1967b, 6(10b): 1302 [Cat.]; DISTRIBUTION: United States, Canada (Metcalf Cat.)
Idiodonus titulus DeLong: Idiodonus titulus DeLong 1946b: 24 [n.sp.]; Metcalf 1967b, 6(10b): 1303 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus tubulus DeLong: Idiodonus tubulus DeLong 1946b: 22 [n.sp.]; Metcalf 1967b, 6(10b): 1303 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus turpiter DeLong: Idiodonus turpiter DeLong 1946b: 28 [n.sp.]; Metcalf 1967b, 6(10b): 1303 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus verecundus DeLong: Idiodonus verecundus DeLong 1946b: 20 [n.sp.]; Metcalf 1967b, 6(10b): 1304 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus vinculus DeLong: Idiodonus vinculus DeLong 1946b: 15 [n.sp.]; Metcalf 1967b, 6(10b): 1304 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus wickhami Ball: Idiodonus wickhami Ball 1937b: 27 [n.sp.]; Metcalf 1967b, 6(10b): 1304 [Cat.]; DISTRIBUTION: Mexico, United States (Metcalf Cat.)
Idiodonus (Angulanus) incisurus DeLong: Idiodonus (Angulanus) incisurus DeLong 1946b: 30 [n.sp.]; Metcalf 1967b, 6(10b): 1304 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idiodonus (Idiodonus) kennicottii (Uhler): Jassus kennicottii Uhler 1864a: 161 [n.sp.]; Metcalf 1967b, 6(10b): 1305 [Cat.]; DISTRIBUTION: Canada, United States (Metcalf Cat.)
Idiotettix bolivianus Osborn: Idiotettix boliviana Osborn 1929a: 466 [n.sp.]; Metcalf 1966d, 6(16): 225 [Cat.]; DISTRIBUTION: Bolivia (Metcalf Cat.)
Idiotettix brunneus Osborn: Idiotettix brunneus Osborn 1929a: 467 [n.sp.]; Metcalf 1966d, 6(16): 226 [Cat.]; DISTRIBUTION: Paraguay (Metcalf Cat.)
Idiotettix columbianus Nast: Idiotettix columbianus Nast 1952a: 2 [n.sp.]; Metcalf 1966d, 6(16): 226 [Cat.]; DISTRIBUTION: Colombia (Metcalf Cat.)
Idiotettix fasciatus Osborn: Idiotettix fasciatus Osborn 1929a: 466 [n.sp.]; Metcalf 1966d, 6(16): 226 [Cat.]; DISTRIBUTION: Paraguay (Metcalf Cat.)
Idiotettix festivus Maldonado Capriles: Idiotettix festivus Maldonado Capriles 1954a: 248 [n.sp.]; Metcalf 1966d, 6(16): 226 [Cat.]; DISTRIBUTION: Venezuela, Brazil (Metcalf Cat.)
Idiotettix invitus Nast: Idiotettix invitus Nast 1952a: 3 [n.sp.]; Metcalf 1966d, 6(16): 226 [Cat.]; DISTRIBUTION: Ecuador (Metcalf Cat.)
Idiotettix lautus Nast: Idiotettix lautus Nast 1952a: 3 [n.sp.]; Metcalf 1966d, 6(16): 227 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiotettix magnificus (Osborn): Thamnotettix magnificus Osborn 1924c: 424 [n.sp.]; Metcalf 1966d, 6(16): 227 [Cat.]; DISTRIBUTION: Bolivia, Guyana (Metcalf Cat.)
Idiotettix magnus (Osborn): Idiocerus magnus Osborn 1923b: 13 [n.sp.]; Metcalf 1966d, 6(16): 227 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Idiotettix stigmatus Nast: Idiotettix stigmatus Nast 1952a: 2 [n.sp.]; Metcalf 1966d, 6(16): 227 [Cat.]; DISTRIBUTION: Colombia (Metcalf Cat.)
Idona aperta (Beamer): Dikraneura aperta Beamer 1943b:58 [n.sp.]; Metcalf 1968a,6(17):203 [Cat.]; DISTRIBUTION: United States, Mexico (Metcalf Cat.)
Idona beameri Young: Dikraneura hyaline Beamer 1943b:58 [n.sp.]; Metcalf 1968a,6(17):203 [Cat.]; Idona beameri Young 1952b:64 [nom.nov. for Idona hyalina Beamer 1943]; Metcalf 1968a,6(17):204 [Cat.]; DISTRIBUTION: United States (Metcalf Cat.)
Idona biforma Ruppel & DeLong: Idona biforma Ruppel & DeLong 1952f:188 [n.sp.]; Metcalf 1968a,6(17):204 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idona eborolora Ruppel & DeLong: Idona eborolora Ruppel & DeLong 1952f:189 [n.sp.]; Metcalf 1968a,6(17):204 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idona ferrugina Ruppel & DeLong: Idona ferrugina Ruppel & DeLong 1952f:191 [n.sp.]; Metcalf 1968a,6(17):204 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idona gigantica Ruppel & DeLong: Idona gigantica Ruppel & DeLong 1952f:189 [n.sp.]; Metcalf 1968a,6(17):204 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idona hyalina (Osborn): Dikraneura (Hyloidea) hyalina Osborn 1928a:276 [n.sp.]; Metcalf 1968a,6(17):204 [Cat.]; DISTRIBUTION: Bolivia, Mexico (Metcalf Cat.)
Idona minuenda (Moznette): Empoasca minuenda Moznette 1919a:46 [n.sp.]; Metcalf 1968a,6(17):205 [Cat.]; DISTRIBUTION: United States, Mexico, Puerto Rico, Atlantic Ocean: Bermuda Island, Haiti, Cuba (Metcalf Cat.)
Idona minuenda clavigerana (Ball): Empoasca minuenda clavigerana Ball 1921a:24 [n.subsp. of minueunda]; Metcalf 1968a,6(17):206 [Cat.]; DISTRIBUTION: United States, Atlantic Ocean: Bermuda Island (Metcalf Cat.)
Idona minuenda moznettei (Ball): Empoasca minuenda moznettei Ball 1921a:24 [n.subsp. of minueunda]; Metcalf 1968a,6(17):206 [Cat.]; DISTRIBUTION: United States, Atlantic Ocean: Bermuda Island (Metcalf Cat.)
Idona parallela Ruppel & DeLong: Idona parallela Ruppel & DeLong 1952f:191 [n.sp.]; Metcalf 1968a,6(17):207 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idona reflexa Ruppel & DeLong: Idona reflexa Ruppel & DeLong 1952f:192 [n.sp.]; Metcalf 1968a,6(17):207 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Idona rubens (Beamer): Dikraneura rubens Beamer 1934b:16 [n.sp.]; Metcalf 1968a,6(17):207 [Cat.]; DISTRIBUTION: United States, Mexico (Metcalf Cat.)
Idona sexmaculata (DeLong): Empoasca sexmaculata DeLong 1923 [in Wolcott 1923b:270] [n.sp.]; Metcalf 1968a,6(17):208 [Cat.]; DISTRIBUTION: Puerto Rico, Virgin Islands: Saint Thomas Island (Metcalf Cat.)
Idona usitata Ruppel & DeLong: Idona usitata Ruppel & DeLong 1952f:188 [n.sp.]; Metcalf 1968a,6(17):208 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Igerna bimaculicollis (Stål): Bythoscopus (Oncopsis) bimaculicollis Stål 1855a:100 [n.sp.]; Metcalf 1966a,6(14):147 [Cat.]; Agallia quadrinotata Melichar 1903b:151 [n.sp.]; Metcalf 1966a,6(14):147 [Cat.]; DISTRIBUTION: Indian Ocean: Seychelles Island, Somalia, South Africa, Madagascar, Brazil, Zaire, Tanzania, India, Sri Lanka, Pakistan (Metcalf Cat.)
Igerna clavata (Oman): Agalliota clavata Oman 1938a:394 [n.sp.]; Metcalf 1966a,6(14):148 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Igerna dentata (Oman): Agalliota dentata Oman 1938a:394 [n.sp.]; Metcalf 1966a,6(14):149 [Cat.]; DISTRIBUTION: Guapore (Metcalf Cat.)
Igerna flavovenosa Evans: Igerna flavovenosa Evans 1955b:13 [n.sp.]; Metcalf 1966a,6(14):149 [Cat.]; DISTRIBUTION: Zaire (Metcalf Cat.)
Igerna nigrofusca (Melichar): Pachynus nigrofuscus Melichar 1905a:298 [n.sp.]; Metcalf 1966a,6(14):149 [Cat.]; DISTRIBUTION: Tanzania, Zaire (Metcalf Cat.)
Igerna parallela (Oman): Agalliota parallela Oman 1938a:395 [n.sp.]; Metcalf 1966a,6(14):149 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Igerna parma (Oman): Agalliota parma Oman 1938a:396 [n.sp.]; Metcalf 1966a,6(14):149 [Cat.]; DISTRIBUTION: Brazil (Metcalf Cat.)
Igerna punctata (Oman): Agallia punctata Oman 1934c:457 [n.sp.]; Metcalf 1966a,6(14):149 [Cat.]; DISTRIBUTION: Mexico (Metcalf Cat.)
Igerna quadriocellata (Melichar): Pachynus quadriocellatus Melichar 1908b:11 [n.sp.]; Metcalf 1966a,6(14):149 [Cat.]; DISTRIBUTION: Tanzania, Zaire (Metcalf Cat.)
Igerna quadripunctula (Melichar): Pachynus quadripunctulus Melichar 1908b:11 [n.sp.]; Metcalf 1966a,6(14):150 [Cat.]; DISTRIBUTION: Tanzania, Zaire (Metcalf Cat.)
Igerna scutaria (Oman): Agalliota scutaria Oman 1938a:393 [n.sp.]; Metcalf 1966a,6(14):150 [Cat.]; DISTRIBUTION: Argentina (Metcalf Cat.)
Igerna usambarensis (Melichar): Agallia usambarensis Melichar 1908b:12 [n.sp.]; Metcalf 1966a,6(14):150 [Cat.]; DISTRIBUTION: Tanzania, Zaire (Metcalf Cat.)
Igutettix pulverosus Matsumura: Igutettix pulverosus Matsumura 1932a:105 [n.sp.]; Metcalf 1968a,6(17):243 [Cat.]; DISTRIBUTION: Japan (Metcalf Cat.)
Inazuma dorsalis (Motschulsky): Deltocephalus dorsalis Motschulsky 1859b: 114 [n.sp.]; Metcalf 1967b, 6(10b): 1601 [Cat.]; Deltocephalus fulguralis Matsumura 1902a: 391 [n.sp.]; Metcalf 1967b, 6(10b): 1601 [Cat.]; DISTRIBUTION: Sri Lanka, Japan, India, Borneo, Taiwan, China, Malaysia, Philippines, Korea (Metcalf Cat.)
Inemadara oryzae (Matsumura): Deltocephalus oryzae Matsumura 1902a: 390 [n.sp.]; Metcalf 1967b, 6(10b): 1599 [Cat.]; DISTRIBUTION: Japan, China, Korea, Taiwan (Metcalf Cat.)
Ipo conferta Kirkaldy: Ipo conferta Kirkaldy 1906c:465 [n.sp.]; Metcalf 1965b,6(12):35 [Cat.]; Ipo pompais Kirkaldy 1907d:35 [n.sp.]; Metcalf 1965b,6(12):35 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipo hilli Evans: Ipo hilli Evans 1934a:154 [n.sp.]; Metcalf 1965b,6(12):35 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipo honiala Kirkaldy: Ipo honiala Kirkaldy 1906c:466 [n.sp.]; Metcalf 1965b,6(12):35 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipo pellucida (Fabricius): Cicada pellucida Fabricius 1775a:686 [n.sp.]; Metcalf 1965b,6(12):35 [Cat.]; Ipo aegrota Kirkaldy 1906c:466 [n.sp.]; Metcalf 1965b,6(12):36 [Cat.]; Ipo ambita Kirkaldy 1906c:465 [n.sp.]; Metcalf 1965b,6(12):36 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipo sordida Evans: Ipo sordida Evans 1934a:154 [n.sp.]; Metcalf 1965b,6(12):36 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipo speciosa Evans: Ipo speciosa Evans 1941f:144 [n.sp.]; Metcalf 1965b,6(12):36 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipo torpens Jacobi: Ipo torpens Jacobi 1909a:341 [n.sp.]; Metcalf 1965b,6(12):36 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipocerus kirkaldyi Baker: Ipocerus kirkaldyi Baker 1915c: 323 [n.sp.]; Metcalf 1966d, 6(16): 220 [Cat.]; DISTRIBUTION: Australia, Philippines (Metcalf Cat.)
Ipoella canberrensis Evans: Ipoella canberrensis Evans 1934a:159 [n.sp.]; Metcalf 1965b,6(12):31 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoella davisi Evans: Ipoella davisi Evans 1947f:227 [n.sp.]; Metcalf 1965b,6(12):31 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoella fidelis Evans: Ipoella fidelis Evans 1934a:157 [n.sp.]; Metcalf 1965b,6(12):31 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoella fulva Evans: Ipoella fulva Evans 1941f:144 [n.sp.]; Metcalf 1965b,6(12):31 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoella insignis (Distant): Eurymeloides insignis Distant 1908e:103 [n.sp.]; Metcalf 1965b,6(12):32 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoella norrisi Evans: Ipoella norrisi Evans 1939a:48 [n.sp.]; Metcalf 1965b,6(12):31 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoides brunomaculata Evans: Ipoides brunomaculata Evans 1947f:226 [n.sp.]; Metcalf 1965b,6(12):32 [Cat.]; DISTRIBUTION: New Guinea (Metcalf Cat.)
Ipoides casurinae Evans: Ipoides casurinae Evans 1934a:157 [n.sp.]; Metcalf 1965b,6(12):32 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoides fasciata Evans: Ipoides fasciata Evans 1941f:144 [n.sp.]; Metcalf 1965b,6(12):32 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoides hackeri Evans: Ipoides hackeri Evans 1934a:156 [n.sp.]; Metcalf 1965b,6(12):32 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoides leai Evans: Ipoides leai Evans 1934a:156 [n.sp.]; Metcalf 1965b,6(12):32 [Cat.]; DISTRIBUTION: New Caledonia (Metcalf Cat.)
Ipoides loranthae Evans: Ipoides loranthae Evans 1939a:48 [n.sp.]; Metcalf 1965b,6(12):33 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoides maculosa Evans: Ipoides maculosa Evans 1939a:48 [n.sp.]; Metcalf 1965b,6(12):33 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoides melaleucae Evans: Ipoides melaleucae Evans 1947f:226 [n.sp.]; Metcalf 1965b,6(12):33 [Cat.]; DISTRIBUTION: New Guinea (Metcalf Cat.)
Ipoides ooldeae Evans: Ipoides ooldeae Evans 1934a:156 [n.sp.]; Metcalf 1965b,6(12):33 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Ipoides translucens Evans: Ipoides translucens Evans 1934a:156 [n.sp.]; Metcalf 1965b,6(12):33 [Cat.]; DISTRIBUTION: Australia (Metcalf Cat.)
Iposcopus breviceps Baker: Iposcopus breviceps Baker 1915c: 320 [n.sp.]; Metcalf 1966d, 6(16): 228 [Cat.]; DISTRIBUTION: Philippines (Metcalf Cat.)
Iposcopus distanti Baker: Iposcopus distanti Baker 1915c: 320 [n.sp.]; Metcalf 1966d, 6(16): 228 [Cat.]; DISTRIBUTION: Philippines (Metcalf Cat.)
Irinula erythrocephala (Ferrari): Cicadula erythrocephala Ferrari 1882a: 118 [n.sp.]; Metcalf 1967b, 6(10b): 2028 [Cat.]; DISTRIBUTION: Italy, France, Russia, Georgia, Azerbaijan, Iran, Serbia, Hungary, Japan, Taiwan, Switzerland, Oceania: Bonin Islands (Metcalf Cat.)
Isaca bipars Walker: Isaca bipars Walker 1857b:172 [n.sp.]; Metcalf 1966c,6(15):170 [Cat.]; DISTRIBUTION: Borneo (Metcalf Cat.)
Ishidaella albomarginata (Signoret): Tettigonia albomarginata Signoret 1853b:347 [n.sp.]; Metcalf 1965a,6(1):463 [Cat.]; Tettigonia pettimolua Kirkaldy 1906c:321 [n.sp.]; Metcalf 1965a,6(1):463 [Cat.]; DISTRIBUTION: Australia, China, Taiwan, Japan, New Guinea, E.Indonesia, Korea, Europe (Metcalf Cat.)
Ishidaella flaveola Matsumura: Ishidaella flaveola Matsumura 1915a:171 [n.sp.]; Metcalf 1965a,6(1):466 [Cat.]; DISTRIBUTION: Korea (Metcalf Cat.)
Iturnoria insulana Evans: Iturnoria insulana Evans 1954a:110 [n.sp.]; Metcalf 1964b,6(11):82 [Cat.]; DISTRIBUTION: Madagascar (Metcalf Cat.)