Sogana Matsumura 1914
Creators: name: Constant, Jérôme
name: Pham, Thai Hong
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Tropiduchidae
Sogana

description: Genus Sogana Matsumura, 1914
Sogana MATSUMURA, 1914: 268.
Type species: Sogana hopponis Matsumura, 1914, by monotypy.
Sogana – MELICHAR, 1914: 194; DISTANT, 1916: 54; METCALF, 1954: 130; TSAUR, 1990: 245; LIANG & WANG, 2008: 30; CONSTANT, 2010: 64; CONSTANT & PHAM, 2013: 72; CONSTANT, 2019: 4; CONSTANT & PHAM, 2019: 4.
FLOW, 2020:
https://www.hemiptera-bases.org/flow/?page=explorer&db=flow&lang=en&card=taxon&rank=genus&id=8083
SPECIES INCLUDED (TYPE LOCALITY):
Sogana bachmana Constant & Pham, 2019 (Vietnam);
Sogana baviana Constant & Pham, 2019 (Vietnam);
Sogana chartieri Constant, 2019 (Cambodia);
Sogana clara Liang & Wang, 2008 (Laos);
Sogana condaoana Constant & Pham, 2013 (Vietnam);
Sogana cucphuongana Constant & Pham, 2013 (Vietnam);
Sogana cysana sp. nov. (Vietnam);
Sogana extrema Melichar, 1914 (Myanmar);
Sogana floreni Constant, 2010 (Borneo);
Sogana hopponis Matsumura, 1914 (Taiwan);
Sogana longiceps Fennah, 1978 (Vietnam);
Sogana pseudohopponis Liang & Wang, 2008 (Laos);
Sogana robustocarina Liang & Wang, 2008 (Borneo);
Sogana stimulata Melichar, 1914 (Mentawai Islands).
Identification key to the species of Sogana from Vietnam
1. Vertex more or less subquadrate (Fig. 1 B, D), ratio LV/BV <0.85; apical margin of anal tube roundly notched apically in dorsal view (Fig. 1 N, O); aedeagus with strong, deeply furcate or strongly dentate process on left side (Fig. 1 S–T, 3 F)....................................... 2
– Vertex elongate (Fig. 1 A, C, E), ratio LV/BV> 0.85; apical margin of anal tube rounded or oblique apically in dorsal view, not notched (Fig. 1 K–M); aedeagus without strong furcate process (Fig. 1 P–R)................................................................................................ 4
2. Tegmina more elongate, LTg/BTg = 3.8, with 18–19 apical cells (Fig. 1 I); vertex more elongate, LV/BV = 0.8 (Fig. 1 B); ventral process of periandrium ended in a hook (Fig. 1 X)................................................................................ S. baviana Constant & Pham, 2019
– Tegmina less elongate, LTg/BTg = 3.3–3.5, with 13 (Fig. 2 E) or 19–21 apical cells (Fig. 1 J); vertex shorter, LV/BV = 0.63–0.7 (Figs. 1 D, 2 G); ventral process of periandrium not ended in a hook (Fig. 1 Y) .................................................................................................. 3
3. Size smaller, ♂ LT = 8.8 mm; tegmina more elongate, LTg/BTg = 3.5, with 13 apical cells (Fig. 2 E); vertex slightly more elongate, LV/BV = 0.7 (Fig. 2 G); right dorsal process of periandrium not furcate (Fig. 3 E, H); apical projections of anal tube pointed (Fig. 3 A–C) .................................................................................................................. S. cysana sp. nov.
– Size larger, ♂ LT = 13 mm; tegmina less elongate, LTg/BTg = 3.3, with 19–21 apical cells (Fig. 1 J); vertex shorter, LV/BV = 0.63 (Fig. 1 D); right dorsal process of periandrium furcate (Fig. 1 T); apical projections of anal tube not pointed (Fig. 1 O) ............................. ......................................................................... S. cucphuongana Constant & Pham, 2013
4. Vertex more elongate, ratio LV/BV = 1.15 (Fig. 1 E); aedeagus with two elongate dorsal processes ending in a single point (Fig. 1 R, W) ....................... S. longiceps Fennah, 1978
– Vertex less elongate, ratio LV/BV = 0.9 (Fig. 1 A, C); aedeagus with dorsal processes with multiple teeth or crenulations apically (Fig. 1 P–Q) ........................................................... 5
5. Tegmina more elongate, LTg/BTg = 3.6 (Fig. 1 F); tegmina with 14 apical cells (Fig. 1 F); clypeus mostly pale yellow-brown; dorsal processes of aedeagus with left one strongly sinuate and directed anteroventrally and right one spatulate apically and directed mostly dorsally (Fig. 1 P)................................................... S. bachmana Constant & Pham, 2019
– Tegmina less elongate, LTg/BTg = 3.0 (Fig. 1 G); tegmina with 18 apical cells (Fig. 1 G); clypeus mostly pale brown; dorsal processes of aedeagus both nearly straight and directed anterodorsally (Fig. 1 Q) ....................................... S. condaoana Constant & Pham, 2013
description: Published as part of Constant, Jérôme & Pham, Thai Hong, 2020, Sogana cysana sp. nov., a new tropiduchid planthopper from Chu Yang Sin National Park in Vietnam and key to Vietnamese species of the genus (Hemiptera: Fulgoromorpha: Tropiduchidae), pp. 1-13 in Belgian Journal of Entomology 95 on pages 1-13, DOI: 10.5281/zenodo.13739330