Revision of the Oriental and Australian Agalliini (Hemiptera: Cicadellidae: Megophthalminae)
Authors: VIRAKTAMATH C. A. 
Published: February 2019

The tribe Agalliini of the subfamily Megophthalminae is revised for the Oriental and Australian regions. Fifteen genera and 86 species have been recognized including 6 new genera, 40 new species, 7 new synonyms and 9 new combinations. The new genera and species described are Austroagallia balii sp. nov. (Indonesia: Bali Is.), A. distanti sp. nov. (India: Karnataka), A. prachuabensis sp. nov. (India, Thailand), Formallia gen. nov., F. ishiharai sp. nov.(Taiwan), F. longipenis sp. nov. (Taiwan), F. longistyla sp. nov. (Taiwan), F. rugosa sp. nov. (Taiwan), F. truncata sp. nov. (type sepcies) (Taiwan), Hemagallia gen. nov. (type-species: Agallia plotina Distant), Ianagallia gen. nov. (type-species Austroagallia bifurcata Sawai Singh & Gill), Igerna aurora sp. nov. (Sunda Is, Timor Is.), I. darjeelingensis sp. nov. (India: Sikkim, West Bengal), I. delineata sp. nov. (India: Tamil Nadu), I. himalayensis sp. nov. (India: West Bengal), I. keyae sp. nov. (India: Sikkim), I. priyankae sp. nov. (India: Himachal Pradesh, Meghalaya. Nepal), I. quinlani sp. nov. (Nepal), I. sikkima sp. nov. (India: Sikkim), I. wilsoni sp. nov. (India: West Bengal), Japanagallia asymmetrica sp. nov. (China: Fukien), J. curvata sp. nov. (China: Fukien), J. javana sp. nov. (Indonesia: Java), J. longipenis sp. nov. (China: Fukien), J. malaisei sp. nov. (Myanmar), J. mussooriensis sp. nov. (India: Uttar Pradesh), J. neotappana sp. nov. (China: Fukien), J. nepalensis sp. nov. (Nepal), J. peculiaris sp. nov. (Nepal), J. sumatrana sp. nov. (Indonesia: Sumatra), J. yoshimotoi sp. nov. (Taiwan), Nandigallia gen. nov. N. matai sp. nov. (India: West Bengal; China: Fukien), N. nandiensis sp. nov. (type-species) (India: Karnataka, Maharashtra), Paulagallia gen. nov., P. maai sp. nov. (Malaysia: Borneo: Sabah), P. punctata sp. nov. (type-species)( Malaysia: Borneo: Sabah), Sangeeta gen. nov. S. dentata sp. nov. (Indonesia: Pahang), S. dlabolai sp. nov. (Laos), S. fyanensis sp. nov. (Vietnam), S. linnavuorii sp. nov. (Vietnam), S. nigra sp. nov. (Indonesia: Java), S. quadriloba sp. nov. (Indonesia: Sumatra), S. sadongensis sp. nov. (type-species) (Malaysia: Sadong) and S. sarawakensis sp. nov. (Malaysia: Borneo: Sarawak) The following new combinations are proposed: Anaceratagallia srinagarensis (Kameswara Rao & Ramakrishnan) comb. nov. (Agallia), Hemagallia biplagiata (Melichar) comb. nov. (Agallia), Hemagallia plotina (Distant) comb. nov. (Agallia), Ianagallia bifurcata (Sawai Singh & Gill) comb. nov. (Austroagallia), Igerna atrovenosa (Melichar) comb. nov. (Agallia), Igerna fasciata (Osborn) comb. nov. (Agalliopsis), Igerna quadrinotata (Melichar) comb. nov. (Agallia), Igerna nigrita (Melichar) comb. nov. (Oncopsis) and Igerna violacea (Distant) comb. nov. (Nehela). The following species are treated as new synonyms: Agallia pseudorobusta Kameswara Rao & Ramakrishnan syn. nov. of Anaceratagallia cuspidata Dlabola; Anaceratagallia delhiensis Kameswara Rao & Ramakrishnan syn. nov. of Anaceratagallia robusta Pruthi; Agallia campbelli Distant syn. nov. and Agallia janaka Distant syn. nov. of Hemagallia biplagiata (Melichar); Agallia rugosa Distant syn. nov. and Agallia bhuntra Sawai Singh syn. nov. of Hemagallia plotina (Distant), Austroagallia bisinuata Viraktamath & Viraktamath syn. nov. of Igerna quadrinotata (Melichar), and Dryodurgades bifurcatus Cai & Shen syn. nov. of Dryodurgades formosana (Matsumura). Most of these taxa are described and illustrated. Keys to genera and species are also included.