Cixiini, Spinola, 1839

Mozaffarian, Fariba & Hoch, Hannelore, 2023, Contribution to the planthopper fauna of Iran: Cixiidae, tribe Cixiini (Hemiptera, Auchenorrhyncha, Fulgoromorpha), Journal of Insect Biodiversity and Systematics 9 (3), pp. 567-581 : 569

Key to the genera of the tribe Cixiini in Iran

1 Apical margin of fore wing without tubercles between apical veins. .......................... Cixius Latreille, 1804

— Apical margin of forewing with tubercles between apical veins; male genitalia with aedeagus apically endowed with two movable spines, and female genitalia with a large, undivided wax plate (tergite IX). ..................................................................................................................................... Tachycixius Wagner, 1939

Key to the species of the genus Cixius in Iran (not included: Cixius persicus , for explanation see below)

1 Tegmina brown. ................................................................................................................................................................. 2

— Tegmina hyaline or whitish. .............................................................................................................................. 3

2 Tegmina with coloration homogenous. Male genitalia: apical appendage of anal tube in lateral view narrowing apically, aedeagus with an apical spine on flagellum; habitus as Fig. 3A. ................................ ........................................................................................................................................... C. cunicularius Linnaeus, 1767

— Tegmina with conspicuous pattern. Male genitalia: apical appendage of anal tube in lateral view not narrowing apically, aedeagus without an apical spine on flagellum, habitus as in Fig. 2A–B. ................... ..................................................................................................................... C. adornatus iranicus Dlabola, 1979

3 Male genitalia as in Figs 4A–D. Phallobase of aedeagus with three moveable subapical spines (subgenus Acanthocixius ). ........................................................................................ C. stigmaticus ( Germar, 1818)

— Phallobase of aedeagus with two moveable subapical spines. ..................................................................... 4

4 Habitus and male genitalia as in Figs 3D, 4M–P. Phallobase of aedeagus with a rigid dorsal acute spine. ..................................................................................................................... C. simplex ( Herrich-Schäffer, 1835)

— Phallobase of aedeagus without a dorsal acute spine. ................................................................................... 5

5 Curvature of moveable subapical spines of phallobase different; habitus and male genitalia as in Figs 3C, 4I–L. ..................................................................................................................... C. remotus Edwards, 1888

— Curvature of moveable subapical spines of phallobase similar. ................................................................... 6

6 Left lateral spine of aedeagus double S-shaped. ...................................................... C. rufus Logvinenko, 1969

— Left lateral spine of aedeagus simple; habitus and male genitalia as in Figs 3B, 4E–H. .............................. ................................................................................................ C. pallipes Fieber, 1876 / C. wagneri China, 1942