Idona

Pinedo-Escatel, J. A. & Blanco-Rodríguez, E., 2016, A new species of Idona DeLong (Hemiptera: Cicadellidae: Typhlocybinae) from Mexico, with an annotated list of species, Zootaxa 4114 (3), pp. 320-330 : 325

Key to Mexican species of Idona (males)

1 Aedeagus without basal processes ( Ruppel & DeLong 1952, fig. 4).................. eborolora Ruppel & DeLong 1952

- Aedeagus with basal processes...........................................................................2

2 Aedeagal shaft with posterior margin arcuate and distant from base of basal processes; atrium large ( Ruppel & DeLong 1952, fig. 6)................................................................... .. ferrugina Ruppel & DeLong 1952

- Aedeagal shaft curved dorsal and close to base of basal processes; atrium short.................................... 3

3 Aedeagal shaft very broad in lateral view through most of length with thin, arcuate apical extension ( Ruppel & DeLong 1952, fig. 7)..................................................................... reflexa Ruppel & DeLong 1952

- Aedeagal shaft relatively narrow and without thin arcuate apical extension........................................4

4 Pygofer without apical hooks............................................................................ 5

- Pygofer with apical hooks ( Figs. 1 and 13 )..................................................................6

5 Aedeagal shaft in lateral view more than 3 times longer than wide; processes not twisted ( Ruppel & DeLong 1952, fig. 1)................................................................................ usitata Ruppel & DeLong 1952

- Aedeagal shaft in lateral view less than 2 times longer than wide; processes with apices broad, twisted ( Ruppel & DeLong 1952, fig. 5)............................................................... parallela Ruppel & DeLong 1952

6 Aedeagus in lateral view with posterior margin between shaft and basal processes either very narrow or linear, not angulate ( Fig. 6 , and Ruppel & DeLong 1952, fig. 3)................................................................7

- Aedeagus in lateral view with posterior margin between basal processes and shaft broad and distinctly angulate ( Ruppel & DeLong 1952, fig. 2)......................................................... biforma Ruppel & DeLong 1952

7 Aedeagus without posterior process arising near shaft midlength ( Fig. 14 )........................................ 8

- Aedeagus with posterior process arising near shaft midlength ( Fig. 6 ).................................................................................................... .. dmitrievi Pinedo-Escatel & Blanco-Rodríguez , sp. nov.

8 Body length> 3 mm; pygofer apex falcate, process elongate ( Ruppel & DeLong 1952, fig. 3).................................................................................................... gigantica Ruppel & DeLong 1952

- Body length <3 mm; pygofer apex rounded, process short ( Fig. 14 , and Young 1952, fig. 59)........ minuenda ( Ball 1921)

Figures

FIGURES 1 − 4. Idona dmitrievi sp. nov. 1. Male, pygofer lateral view; 2. Male, pygofer, pygofer spine and dorsal hook, dorsal view; 3. Male, apodemes; 4. Female, pygofer, lateral view.

FIGURES 13 − 16. Idona minuenda. 13. Male, lateral view pygofer; 14. Male, aedeagus in lateral view; 15. Female, dorsal view; 16. Male, dorsal view.

FIGURES 5 − 8. Idona dmitrievi. 5. Male, style and connective; 6. Aedeagus, lateral view; 7. Male, plate; 8. Female, sternite VII.