- Jafar javeti (Signoret)
- Gypona javeti Signoret 1858 [in Fairmaire & Signoret 1858a:342] [n.sp.]; Metcalf 1962b,6(3):214 [Cat.]
- DISTRIBUTION: Nigeria (Metcalf Cat.)
- Jamitettix guamensis Metcalf
- Jamitettix guamensis Metcalf 1946d:119 [n.sp.]; Metcalf 1966c,6(15):181 [Cat.]
- DISTRIBUTION: Oceania: Guam (Metcalf Cat.)
- Jamitettix kotonis Matsumura
- Jamitettix kotonis Matsumura 1940d:40 [n.sp.]; Metcalf 1966c,6(15):182 [Cat.]
- DISTRIBUTION: Taiwan (Metcalf Cat.)
- Japanagallia pteridis (Matsumura)
- Agallia pteridis Matsumura 1905a:68 [n.sp.]; Metcalf 1966a,6(14):60 [Cat.]
- DISTRIBUTION: Japan (Metcalf Cat.)
- Japananus aceri (Matsumura)
- Platymetopius aceri Matsumura 1914a: 216 [n.sp.]; Metcalf 1967c, 6(10c): 2245 [Cat.]
- DISTRIBUTION: Japan (Metcalf Cat.)
- Japananus hyalinus (Osborn)
- Platymetopius hyalinus Osborn 1900d: 501 [n.sp.]; Metcalf 1967c, 6(10c): 2245 [Cat.]
- Platymetopius cinctus Matsumura 1914a: 215 [n.sp.]; Metcalf 1967c, 6(10c): 2245 [Cat.]
- DISTRIBUTION: United States, Japan (Metcalf Cat.)
- Jassargus bicorniger (Then)
- Deltocephalus bicorniger Then 1896a: 183 [n.sp.]; Metcalf 1967b, 6(10b): 1202 [Cat.]
- DISTRIBUTION: Austria, Italy (Metcalf Cat.)
- Jassargus bispinatus (Then)
- Deltocephalus bispinatus Then 1896a: 180 [n.sp.]; Metcalf 1967b, 6(10b): 1202 [Cat.]
- DISTRIBUTION: Hungary, Italy, Austria, Croatia (Metcalf Cat.)
- Jassargus bisubulatus (Then)
- Deltocephalus bisubulatus Then 1896a: 178 [n.sp.]; Metcalf 1967b, 6(10b): 1203 [Cat.]
- DISTRIBUTION: Germany, Austria, Italy (Metcalf Cat.)
- Jassargus falléni [sic] (Fieber)
- Deltocephalus falleni Fieber 1869a: 210 [n.sp.]; Metcalf 1967b, 6(10b): 1203 [Cat.]
- DISTRIBUTION: Estonia, Latvia, Scandinavia, Germany, France, Austria, Russia, Belgium, Netherlands, Czech Republic (Metcalf Cat.)
- Jassargus neglectus (Then)
- Deltocephalus neglectus Then 1896a: 173 [n.sp.]; Metcalf 1967b, 6(10b): 1206 [Cat.]
- DISTRIBUTION: Czech Republic, Germany, Austria, Hungary, Sweden, Bulgaria, Slovakia, Poland (Metcalf Cat.)
- Jassargus paleaceus (Sahlberg)
- Deltocephalus paleaceus Sahlberg 1871a: 316 [n.sp.]; Metcalf 1967b, 6(10b): 1207 [Cat.]
- DISTRIBUTION: Scananavia, Great Britain, Netherlands (Metcalf Cat.)
- Jassargus parallelus (Fieber)
- Deltocephalus parallelus Fieber 1869a: 209 [n.sp.]; Metcalf 1967b, 6(10b): 1208 [Cat.]
- DISTRIBUTION: Germany, France, Austria, France, Belgium, Czech Republic, Yugoslavia, Denmark, Netherlands, England (Metcalf Cat.)
- Jassargus (Arrailus) alpinus (Then)
- Deltocephalus alpinus Then 1896a: 175 [n.sp.]; Metcalf 1967b, 6(10b): 1209 [Cat.]
- DISTRIBUTION: Germany, Austria (Metcalf Cat.)
- Jassargus (Arrailus) cebennicus (Ribaut)
- Lausulus cebennicus Ribaut 1952a: 256 [n.sp.]; Metcalf 1967b, 6(10b): 1210 [Cat.]
- DISTRIBUTION: France (Metcalf Cat.)
- Jassargus (Arrailus) flori (Fieber)
- Deltocephalus flori Fieber 1869a: 210 [n.sp.]; Metcalf 1967b, 6(10b): 1210 [Cat.]
- Deltocephalus oculatus Sahlberg 1871a: 308 [n.sp.]; Metcalf 1967b, 6(10b): 1210 [Cat.]
- DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Russia, western Mediterranean (Metcalf Cat.)
- Jassargus (Aurkius) repletus (Fieber)
- Deltocephalus repletus Fieber 1869a: 208 [n.sp.]; Metcalf 1967b, 6(10b): 1216 [Cat.]
- DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Russia, western Mediterranean (Metcalf Cat.)
- Jassargus (Jassargus) avennicus Ribaut
- Jassargus (Jassargus) avennicus Ribaut 1952a: 255 [n.sp.]; Metcalf 1967b, 6(10b): 1218 [Cat.]
- DISTRIBUTION: France (Metcalf Cat.)
- Jassargus (Jassargus) curvatus (Ribaut)
- Jassargus (Jassargus) curvatus Ribaut 1952a: 253 [n.sp.]; Metcalf 1967b, 6(10b): 1218 [Cat.]
- DISTRIBUTION: Spain, France (Metcalf Cat.)
- Jassargus (Jassargus) distinguendus (Flor)
- Deltocephalus pseudocellaris Flor 1861a: 547 [nom.nov. for Deltocephalus distinguendus Flor 1861]; Metcalf 1967b, 6(10b): 1219 [Cat.]
- Jassus (Deltocephalus) distinguendus Flor 1861a: 240 [n.sp.]; Metcalf 1967b, 6(10b): 1219 [Cat.]
- Jassus (Deltocephalus) mattiacellus Kirschbaum 1868b: 144 [n.sp.]; Metcalf 1967b, 6(10b): 1219 [Cat.]
- Deltocephalus kemneri Ossiannilsson 1935b: 130 [n.sp.]; Metcalf 1967b, 6(10b): 1225 [Cat.]
- DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Russia, western Mediterranean, Iceland (Metcalf Cat.)
- Jassargus (Jassargus) distinguendus gallicus Metcalf
- Deltocephalus distinguendus longiceps Rey 1894c: 46 [n.subsp. of distinguendus]; Metcalf 1967b, 6(10b): 1228 [Cat.]
- Jassargus (Jassargus) distinguendus gallicus Metcalf 1955a: 266 [nom.nov. for Deltocephalus distinguendus longiceps Rey 1894]; Metcalf 1967b, 6(10b): 1228 [Cat.]
- DISTRIBUTION: France (Metcalf Cat.)
- Jassargus (Jassargus) distinguendus reyi Metcalf
- Deltocephalus distinguendus confinis Rey 1894c: 46 [n.subsp. of distinguendus]; Metcalf 1967b, 6(10b): 1228 [Cat.]
- Jassargus distinguendus reyi Metcalf 1955a: 266 [nom.nov. for Deltocephalus distinguendus confinis Rey 1894]; Metcalf 1967b, 6(10b): 1228 [Cat.]
- DISTRIBUTION: France, Netherlands (Metcalf Cat.)
- Jassargus (Jassargus) obtusivalvis (Kirschbaum)
- Jassus (Deltocephalus) obtusivalvis Kirschbaum 1868b: 142 [n.sp.]; Metcalf 1967b, 6(10b): 1228 [Cat.]
- Deltocephalus picturatus Fieber 1869a: 209 [n.sp.]; Metcalf 1967b, 6(10b): 1229 [Cat.]
- DISTRIBUTION: Widespread Europe, Great Britain, Scandinavia, Russia, western Mediterranean (Metcalf Cat.)
- Jassargus (Sayetus) allobrigicus kocoureki (Dlabola)
- Deltocephalus allobrigicus kocoureki Dlabola 1944b: 97 [n.subsp. of allobrogicus]; Metcalf 1967b, 6(10b): 1235 [Cat.]
- DISTRIBUTION: Czech Republic (Metcalf Cat.)
- Jassargus (Sayetus) allobrogicus (Ribaut)
- Deltocephalus allobrogicus Ribaut 1936a: 264 [n.sp.]; Metcalf 1967b, 6(10b): 1233 [Cat.]
- DISTRIBUTION: Widespread Europe, Scandinavia, Russia (Metcalf Cat.)
- Jassargus (Sayetus) cordiger (Ribaut)
- Deltocephalus cordiger Ribaut 1936a: 265 [n.sp.]; Metcalf 1967b, 6(10b): 1235 [Cat.]
- DISTRIBUTION: France (Metcalf Cat.)
- Jassargus (Sayetus) sursumflexus (Then)
- Deltocephalus sursumflexus Then 1902a: 189 [n.sp.]; Metcalf 1967b, 6(10b): 1235 [Cat.]
- DISTRIBUTION: Austria, England, Germany, Belgium, Czech Republic, Sweden, Norway, Finland, Hungary, Switzerland (Metcalf Cat.)
- Jassoidula cuprescens Osborn
- Jassoidula cuprescens Osborn 1934a:187 [n.sp.]; Metcalf 1964b,6(11):83 [Cat.]
- DISTRIBUTION: Oceania: Tonga Islands (Metcalf Cat.)
- Jassoidula infuscata Osborn
- Jassoidula infuscata Osborn 1934a:185 [n.sp.]; Metcalf 1964b,6(11):83 [Cat.]
- DISTRIBUTION: Oceania: Samoa Islands (Metcalf Cat.)
- Jassoidula limbata Osborn
- Jassoidula limbata Osborn 1934a:186 [n.sp.]; Metcalf 1964b,6(11):83 [Cat.]
- DISTRIBUTION: Oceania: Samoa Islands, Western Samoa Islands (Metcalf Cat.)
- Jassoidula metallica Osborn
- Jassoidula metallica Osborn 1934a:185 [n.sp.]; Metcalf 1964b,6(11):83 [Cat.]
- DISTRIBUTION: Oceania: Tonga Islands (Metcalf Cat.)
- Jassoidula niuensis Osborn
- Jassoidula niuensis Osborn 1934a:183 [n.sp.]; Metcalf 1964b,6(11):83 [Cat.]
- DISTRIBUTION: Oceania: Niue Island (Metcalf Cat.)
- Jassoidula ochracea Osborn
- Jassoidula ochracea Osborn 1934a:184 [n.sp.]; Metcalf 1964b,6(11):83 [Cat.]
- DISTRIBUTION: Oceania: Samoa Islands, Western Samoa Islands (Metcalf Cat.)
- Jassoidula pallida Osborn
- Jassoidula pallida Osborn 1934a:187 [n.sp.]; Metcalf 1964b,6(11):83 [Cat.]
- DISTRIBUTION: Oceania: Tonga Islands (Metcalf Cat.)
- Jassoidula straminea Osborn
- Jassoidula straminea Osborn 1934a:183 [n.sp.]; Metcalf 1964b,6(11):83 [Cat.]
- DISTRIBUTION: Oceania: Samoa Islands, Western Samoa Islands (Metcalf Cat.)
- Jassonirvana lineata Baker
- Jassonirvana lineata Baker 1923a:399 [n.sp.]; Metcalf 1963b,6(7):23 [Cat.]
- DISTRIBUTION: Philippines (Metcalf Cat.)
- Jassulus brunneus Evans
- Jassulus brunneus Evans 1955a:31 [n.sp.]; Metcalf 1966c,6(15):115 [Cat.]
- DISTRIBUTION: Zaire (Metcalf Cat.)
- Jilijapa armata Melichar
- Jilijapa armata Melichar 1925a:356 [n.sp.]; Metcalf 1965a,6(1):538 [Cat.]
- DISTRIBUTION: China (Metcalf Cat.)
- Joruma apicata Caldwell
- Joruma apicata Caldwell 1952 [in Caldwell & Martorell 1952a:100] [n.sp.]; Metcalf 1968a,6(17):600 [Cat.]
- DISTRIBUTION: Puerto Rico (Metcalf Cat.)
- Joruma aurea Ruppel & DeLong
- Joruma aurea Ruppel & DeLong 1953d:340 [n.sp.]; Metcalf 1968a,6(17):600 [Cat.]
- DISTRIBUTION: Guatemala (Metcalf Cat.)
- Joruma brevidens (DeLong)
- Empoasca brevidens DeLong 1923 [in Wolcott 1923b:269] [n.sp.]; Metcalf 1968a,6(17):600 [Cat.]
- DISTRIBUTION: Puerto Rico (Metcalf Cat.)
- Joruma clavata Ruppel & DeLong
- Joruma clavata Ruppel & DeLong 1953d:340 [n.sp.]; Metcalf 1968a,6(17):601 [Cat.]
- DISTRIBUTION: Mexico (Metcalf Cat.)
- Joruma duplicata Caldwell
- Joruma duplicata Caldwell 1952 [in Caldwell & Martorell 1952a:100] [n.sp.]; Metcalf 1968a,6(17):601 [Cat.]
- DISTRIBUTION: Puerto Rico (Metcalf Cat.)
- Joruma krausi Ruppel & DeLong
- Joruma krausi Ruppel & DeLong 1953d:342 [n.sp.]; Metcalf 1968a,6(17):601 [Cat.]
- DISTRIBUTION: Mexico (Metcalf Cat.)
- Joruma luciana Osborn
- Joruma luciana Osborn 1928a:282 [n.sp.]; Metcalf 1968a,6(17):601 [Cat.]
- DISTRIBUTION: Guatemala (Metcalf Cat.)
- Joruma orizabae Ruppel & DeLong
- Joruma orizabae Ruppel & DeLong 1953d:342 [n.sp.]; Metcalf 1968a,6(17):601 [Cat.]
- DISTRIBUTION: Mexico (Metcalf Cat.)
- Joruma (Joruma) albifrons McAtee
- Joruma albifrons McAtee 1926b:165 [n.sp.]; Metcalf 1968a,6(17):602 [Cat.]
- DISTRIBUTION: Brazil, Panama (Metcalf Cat.)
- Joruma (Joruma) ascripta McAtee
- Joruma ascripta McAtee 1926b:165 [n.sp.]; Metcalf 1968a,6(17):602 [Cat.]
- DISTRIBUTION: Costa Rica, West Indies, Brazil, Dominican Republic (Metcalf Cat.)
- Joruma (Joruma) atratula McAtee
- Joruma atratula McAtee 1926b:166 [n.sp.]; Metcalf 1968a,6(17):603 [Cat.]
- DISTRIBUTION: Cuba (Metcalf Cat.)
- Joruma (Joruma) aurata McAtee
- Joruma aurata McAtee 1926b:165 [n.sp.]; Metcalf 1968a,6(17):603 [Cat.]
- DISTRIBUTION: Brazil (Metcalf Cat.)
- Joruma (Joruma) cingulata McAtee
- Joruma cingulata McAtee 1926b:165 [n.sp.]; Metcalf 1968a,6(17):603 [Cat.]
- DISTRIBUTION: Brazil, Bolivia (Metcalf Cat.)
- Joruma (Joruma) coccinea McAtee
- Joruma coccinea McAtee 1926b:165 [n.sp.]; Metcalf 1968a,6(17):603 [Cat.]
- DISTRIBUTION: Costa Rica, Bolivia (Metcalf Cat.)
- Joruma (Joruma) ebria McAtee
- Joruma ebria McAtee 1926b:166 [n.sp.]; Metcalf 1968a,6(17):603 [Cat.]
- DISTRIBUTION: Brazil (Metcalf Cat.)
- Joruma (Joruma) feminea McAtee
- Joruma feminea McAtee 1926b:166 [n.sp.]; Metcalf 1968a,6(17):603 [Cat.]
- DISTRIBUTION: Costa Rica (Metcalf Cat.)
- Joruma (Joruma) fumosa Osborn
- Joruma fumosa Osborn 1928a:283 [n.sp.]; Metcalf 1968a,6(17):604 [Cat.]
- DISTRIBUTION: Guatemala (Metcalf Cat.)
- Joruma (Joruma) fuscoclavata Osborn
- Joruma fuscoclavata Osborn 1928a:281 [n.sp.]; Metcalf 1968a,6(17):604 [Cat.]
- DISTRIBUTION: Bolivia (Metcalf Cat.)
- Joruma (Joruma) neascripta Oman
- Joruma neascripta Oman 1937d:568 [n.sp.]; Metcalf 1968a,6(17):604 [Cat.]
- DISTRIBUTION: Puerto Rico, Trinidad (Metcalf Cat.)
- Joruma (Joruma) nigricans Osborn
- Joruma nigricans Osborn 1928a:281 [n.sp.]; Metcalf 1968a,6(17):604 [Cat.]
- DISTRIBUTION: Bolivia (Metcalf Cat.)
- Joruma (Joruma) peltata McAtee
- Joruma peltata McAtee 1926b:165 [n.sp.]; Metcalf 1968a,6(17):604 [Cat.]
- DISTRIBUTION: Cuba (Metcalf Cat.)
- Joruma (Joruma) pisca McAtee
- Joruma pisca McAtee 1924c:34 [n.sp.]; Metcalf 1968a,6(17):605 [Cat.]
- DISTRIBUTION: United States, Honduras, Dominican Republic, Puerto Rico (Metcalf Cat.)
- Joruma (Joruma) proxima McAtee
- Joruma proxima McAtee 1926b:166 [n.sp.]; Metcalf 1968a,6(17):605 [Cat.]
- DISTRIBUTION: Brazil (Metcalf Cat.)
- Joruma (Joruma) semenula McAtee
- Joruma semenula McAtee 1926b:166 [n.sp.]; Metcalf 1968a,6(17):605 [Cat.]
- DISTRIBUTION: Cuba (Metcalf Cat.)
- Joruma (Joruma) subaurata McAtee
- Joruma subaurata McAtee 1926b:165 [n.sp.]; Metcalf 1968a,6(17):606 [Cat.]
- DISTRIBUTION: Cuba, Colombia (Metcalf Cat.)
- Joruma (Jorumidia) curvata Osborn
- Joruma curvata Osborn 1928a:284 [n.sp.]; Metcalf 1968a,6(17):606 [Cat.]
- DISTRIBUTION: Brazil, Mexico (Metcalf Cat.)
- Joruma (Jorumidia) minuta Lawson
- Joruma minuta Lawson 1930a:136 [n.sp.]; Metcalf 1968a,6(17):606 [Cat.]
- DISTRIBUTION: United States, Mexico (Metcalf Cat.)
- Jukaruka typica Distant
- Jukaruka typica Distant 1907g:190 [n.sp.]; Metcalf 1962c,6(4):99 [Cat.]
- DISTRIBUTION: Australia (Metcalf Cat.)