Cercopidae Leach, 1815

Bucher, Manon, Bouteille, Emilien & Cesne, Maxime Le, 2024, Malagasy spittlebugs (Hemiptera: Cercopidae), a taxonomic review of genera from Madagascar, European Journal of Taxonomy 935, pp. 166-202 : 168-169

Key to the genera of Cercopidae Leach, 1815 known from Madagascar

1. Hindlegs with two spines .................................................................. Alluaudensia Lallemand, 1920

– Hindlegs with one spine .................................................................................................................... 2

2. Presence of a triangular dimple below the frons-postclypeus suture ( Fig. 1A ) ................................ 3

– Absence of a triangular dimple below the frons-postclypeus suture ( Fig. 1B ) ................................ 4

3. Small parameres, which almost do not exceed the pygofer margin ( Fig. 3E ) .................................... ..................................................................................................................... Amberana Distant, 1908

– Large parameres exceeding clearly the pygofer margin ( Fig. 7E ) .. Paramioscarta Lallemand, 1949

4. Body dorsoventrally flattened, aedeagus with a thumb-shaped process on the anterior margin ........ .................................................................................................. Bourgoinrana Soulier-Perkins, 2012

– General shape not flattened dorsoventrally, aedeagus without thumb-shaped process on the anterior margin ............................................................................................................................................... 5

5. Tegmina with a fully embossed surface; pygofer with a lobe on the posterior margin above the anal tube; lateral margin of postclypeal furrow marked by two strong carinae ......................................... ........................................................................................... Soulierana Bucher & Bouteille gen. nov.

– Tegmina relatively flat; posterior margin of pygofer straight; lateral margin of the postclypeus furrow without carina ................................................................................................................................... 6

6. Postclypeus strongly curved, largely exceeds the anterior margin of the head; aedeagus very slender, 3 times as long as pygofer height ..................................................... Pogonorhinella Schmidt, 1910

– Postclypeus not exceeding the anterior margin of the head; aedeagus wide, 2 times as long as pygofer height ................................................................................................................................................ 7

7. Apex of the aedeagus bifid; males with wide and short sub-genital plate ............ Literna Stål, 1866

– Apex of the aedeagus single, with a hanging structure; males with thin and long sub-genital plates ........................................................................................................................ Locris Stål, 1866

Interactive key (Xper3)

https://app.xper3.fr/xper3GeneratedFiles/publish/identification/-4172653156917231114/mkey.html

Figures

Fig. 1. Shape of the postclypeus in frontal view. A. Presence of a longitudinal furrow with a triangular dimple in the upper part below the frons margin (drawn from Paramioscarta brunnea (Lallemand, 1920)). B. Presence of a longitudinal furrow without triangular dimple in the upper part (drawn from Soulierana claudinae Bouteille gen. et sp. nov.).

Fig. 3. Amberana vittipennis (Bergroth, 1894), ♂, (MNHN(EH) 24523). A. Dorsal view. B. Lateral view. C. Frontal view. D. Labels. E. Male terminalia in lateral view, pygofer, anal tube, aedeagus, left paramere and left subgenital plate. F. Aedeagus. G. Left paramere. H. Distribution map (white dots correspond to all occurrences of species of Amberana in Madagascar; the black dot refers only to A. vittipennis). Scale bars: A–C = 1 mm.

Fig. 7. Paramioscarta brunnea (Lallemand, 1920), ♂ (MNHN(EH) 24505). A. Dorsal view. B. Lateral view. C. Frontal view. D. Labels. E. Male terminalia in lateral view, pygofer, anal tube, aedeagus, left paramere and left subgenital plate. F. Aedeagus. G. Left paramere, inside view on the top and outside view on the bottom. H. Distribution map. Scale bars: A–C= 1 mm.